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See detailTowards sustainable food systems: the concept of agroecology and how it questions current research practices. A review
Hatt, Séverin ULiege; Artru, Sidonie ULiege; Brédart, David ULiege et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment (2016), 20(Special issue 1), 215-224

Introduction. Multiple environmental and socio-economic indicators show that our current agriculture and the organization of the food system need to be revised. Agroecology has been proposed as a ... [more ▼]

Introduction. Multiple environmental and socio-economic indicators show that our current agriculture and the organization of the food system need to be revised. Agroecology has been proposed as a promising concept for achieving greater sustainability. This paper offers an overview and discussion of the concept based on existing literature and case studies, and explores the way it questions our current research approaches and education paradigms. Literature. In order to improve the sustainability of agriculture, the use of external and chemical inputs needs to be minimized. Agroecological farming practices seek to optimize ecological processes, thus minimizing the need for external inputs by providing an array of ecosystem services. Implementing such practices challenges the current structure of the food system, which has been criticized for its lack of social relevance and economic viability. An agroecological approach includes all stakeholders, from field to fork, in the discussion, design and development of future food systems. This inclusion of various disciplines and stakeholders raises issues about scientists and their research practices, as well as about the education of the next generation of scientists. Conclusions. Agroecology is based on the concept that agricultural practices and food systems cannot be dissociated because they belong to the same natural and socio-economic context. Clearly, agroecology is not a silver-bullet, but its principles can serve as avenues for rethinking the current approaches towards achieving greater sustainability. Adapting research approaches in line with indicators that promote inter- and transdisciplinary research is essential if progress is to be made. [less ▲]

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See detailAgricultureIsLife or how to facilitate innovation in agriculture through multi-disciplinary research
Monty, Arnaud ULiege; Garré, Sarah ULiege; Bindelle, Jérôme ULiege et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment (2016)

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See detailBacteria may contribute to distant species recognition in ant–aphid mutualistic relationships
Fischer, Christophe ULiege; Detrain, Claire; Thonart, Philippe ULiege et al

in Insect Science (2016)

Mutualistic interactions between ant and aphid species have been the subject of considerable historical and contemporary investigations, the primary benefits being cleaning and protection for the aphids ... [more ▼]

Mutualistic interactions between ant and aphid species have been the subject of considerable historical and contemporary investigations, the primary benefits being cleaning and protection for the aphids and carbohydrate-rich honeydew for the ants. Questions remained, however, as to the volatile semiochemical factor influencing this relationship. A recent study highlighted the role of bacterial honeydew volatile compounds in ant attraction. Here, ant’s ability to distantly discriminate two aphid species was investigated based on bacterial honeydew semiochemicals emissions using a two-way olfactometer. Both the mutualistic black bean aphid (Aphis fabae L.) and the non-myrmecophilous pea aphid (Acyrthosiphon pisum Harris) were found to be attractive for the black garden ant (Lasius niger L.). The level of attraction was similar in both assays (control versus one of the aphid species). However, when given a choice between these two aphid species, ants showed a significant preference for Aphis fabae. Honeydew volatiles, mostly from bacterial origins, are known to be a key element in ant attraction. Using the same olfactometry protocol, the relative attractiveness of volatiles emitted by honeydews collected from each aphid species and by bacteria isolated from each honeydew was in investigated. Again, ants significantly preferred volatiles released by Aphis fabae honeydew and bacteria. This information suggests that microbial honeydew volatiles enable ants to distantly discriminate aphid species. These results emphasize the importance of investigating the presence and potential effects of microbes in insect symbioses. [less ▲]

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See detailConsommation d’insectes : des arguments santé à l’acceptation et au changement de comportement alimentaire
Caparros Megido, Rudy ULiege; Alabi, Taofic ULiege; Haubruge, Eric ULiege et al

in Le Gall, Philippe; Motte-Florac, Elisabeth (Eds.) Savoureux insectes De l’aliment traditionnel à l’innovation gastronomique (2016)

Encore un petit Choco-croque de grillons ou un Crumble aux vers de farine ? Délicieuses gourmandises ! Comment ne pas se lancer dans cette découverte gastronomique quand les insectes sont envisagés comme ... [more ▼]

Encore un petit Choco-croque de grillons ou un Crumble aux vers de farine ? Délicieuses gourmandises ! Comment ne pas se lancer dans cette découverte gastronomique quand les insectes sont envisagés comme source majeure de protéines animales pour les décennies à venir ? Le sujet est à la mode mais exige d’être abordé sans tomber dans la raillerie, le sensationnalisme ou les raccourcis approximatifs et discutables. C’est pourquoi ce livre dresse une large fresque de la façon dont des insectes ont été consommés par l’homme, depuis nos plus lointains ancêtres jusqu’à l’époque contemporaine, et envisage leur contribution à la sécurité alimentaire de la population mondiale pour le XXIe siècle. De nombreux spécialistes apportent, à travers des exemples pris sur tous les continents, des réponses simples et claires mais aussi précises et rigoureuses aux interrogations que soulève la consommation d’insectes. Tous les insectes peuvent-ils être consommés ? Qui en mange d ans le monde ? Quel goût ont-ils ? Lesquels sont comestibles ? Comment faut-il les préparer, les conserver, les accommoder ? Faut-il les manger tout entiers ? Existe-t-il des produits alimentaires industriels qui en contiennent ? En manger n’est-il pas dangereux pour la santé ? Leur récolte ne met-elle pas en péril l’équilibre des écosystèmes ? Que penser de leur élevage ? [less ▲]

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See detailCurrent status of edible insect industry and research in Europe with a particular focus on the Belgian case
Caparros Megido, Rudy ULiege; Alabi, Taofic ULiege; Haubruge, Eric ULiege et al

Conference (2016)

Since the FAO (Food and Agriculture Organization of the United Nations) announcement, in 2013, of an edible insect program, entomophagy (i.e. the consumption of edible insects) is actually considered as a ... [more ▼]

Since the FAO (Food and Agriculture Organization of the United Nations) announcement, in 2013, of an edible insect program, entomophagy (i.e. the consumption of edible insects) is actually considered as a future ecological alternative to protein supply in Europe. However, success in introducing entomophagy in Western societies depends on factors governing current legislation adaptation and consumers’ attitudes towards insect-based products. Firstly, current legislative brake for the development of insect industry and future adaptation of this legislation will be explained and discussed. As an example, few edible insect species are allowed in Europe (at least 10 species and only in Belgium) and among them, some insects are rather intended for human consumption, as Acheta domestica (L. 1758), while others are more targeted for feed since they are reared on decaying organic matter, such as Hermetia illucens (L. 1758) but are still not allowed. Secondly, a quick presentation of the actual European research projects on edible insects will be presented to show the real interest for this new protein source in Europe. Thirdly, the actual growing business of edible insect will be presented as despite the lack of clear legislative frameworks before 2017, insect breading and insect processing companies are created every month and try to ride the wave of edible insects. Finally, a new consumer acceptance study from our laboratory will be presented, as highlighted before, consumer acceptance is big concern for edible insect business in Europe. Effectively, edible insect is very unconventional in Europe and new insect-based products must be deeply studied before any relying on the market. [less ▲]

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See detailHow to convince Westerners to eat insects?
Caparros Megido, Rudy ULiege; Alabi, Taofic ULiege; Haubruge, Eric ULiege et al

Conference (2016)

Edible insects are actually fashionable in Westerners aperitif. This marketing strategy allows producers to sell dried insects at high prices but without a sustainable establishment on the market. For a ... [more ▼]

Edible insects are actually fashionable in Westerners aperitif. This marketing strategy allows producers to sell dried insects at high prices but without a sustainable establishment on the market. For a better position on the marketplace, several studies suggest integrating insects in an invisible way in ready-to-eat preparations. This talk present our past studies on the subject and a new one, using entomophagy perception questionnaires and hedonic scales, that compared the sensory-liking of dried mealworms and homemade pasta enriched with 10% of mealworms. Unsurprisingly, 90% of the participants preferred mealworms pasta. Nevertheless, it has been shown that women who have already eaten insects gave higher ratings to the two preparations’ taste while men responded similarly regardless their previous experience. It was also found a correlation between the overall liking evaluation, closely related to the odor evaluation, and the respondents’ personality. Effectively, people whom self-characterized them as suspicious gave low ratings to the two preparations; curious, adventurous and down-to-earth people intermediately rated preparations while ambitious people highly rated them. This study confirms the possible insect integration by proposing powdered insects in ready-to-eat preparations. A particular attention to products’ odor must be done, as suspicious people seem to rely on this organoleptic property to assess their global evaluation of insects’ products. Finally, women taste evaluation strengthened the idea that women are more neophobic than men as only women with previous experiences with insects gave high ratings to the preparations. As key contributors in food shopping decisions, women could be targeted by specific insect tasting sessions correlated with healthy or sustainable arguments to support entomophagy. [less ▲]

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See detailSynthèse bibliographique sur le comportement de recherche de l’hôte chez la punaise de lit (Cimex lectularius) et applications dans le cadre de la lutte intégrée
Legrand, Pauline ULiege; Verheggen, François ULiege; Haubruge, Eric ULiege et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment (2016), 20(2),

This study analyzes host-seeking behavior in the common bed bug, Cimex lectularius, paying particular attention to human stimuli involved in this orientation process. The potential applications in ... [more ▼]

This study analyzes host-seeking behavior in the common bed bug, Cimex lectularius, paying particular attention to human stimuli involved in this orientation process. The potential applications in integrated pest management are discussed. The common bed bug is an obligate hematophagous that has been associated with humans for millennia. When searching for food, this insect relies for orientation on signals produced by its hosts. Carbon dioxide emitted by human respiration is more attractive to bugs than body heat. The response of bed bugs to other volatile organic compounds released by the human body has been tested, but their perception and behavioral impact are not always studied together, and some discrepancies occasionally appear. Currently, carbon dioxide is the most efficient lure for bed bugs, although real human bait is more attractive. Some home-made traps baited with dry ice are more efficient than other traps using complicated chemical blends. Dry ice seems to be more efficient as a lure than complex chemical blends, and it can be used in simple traps. Our knowledge of host-seeking behavior in bed bugs is still partial and new questions are constantly arising. Further efforts in the study of the chemical ecology of this process are needed in order to improve the management of this pest. The control of bed bugs in European countries appears to be a major challenge for the years to come. [less ▲]

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See detailConsumer acceptance of insect-based alternative meat products in Western countries
Caparros Megido, Rudy ULiege; Gierts, Chloé; Blecker, Christophe ULiege et al

in Food Quality & Preference (2016)

During the past few years, entomophagy has been increasing in significance. As insects are generally high in protein, they are principally considered as meat substitutes. Nevertheless, in Western ... [more ▼]

During the past few years, entomophagy has been increasing in significance. As insects are generally high in protein, they are principally considered as meat substitutes. Nevertheless, in Western countries, meat substitute consumption is actually very low, principally due to food neophobia and poor sensory qualities in comparison with meat. In insect particular case, food neophobia is clearly high. To reduce insect food neophobia, previous studies suggest to insert invisible insect in food preparation and/or to associate them with known flavors. In this study, a survey on entomophagy perception and hedonic tests were realized to assess the level of sensory-liking of hybrid insect-based burgers (beef, lentils, mealworms and beef, mealworms and lentils). Participants’ overall liking of the four burgers differed between genders and was influenced by burger appearance and taste. Women clearly preferred beef burger appearance, whereas men preferred the appearance of beef and insect-based burgers. Concerning insect-based burger taste, participants (men and women) rated it intermediately, between that of the beef and lentil burger, with a preference for the mealworm and beef burger. Results also showed that people with previous entomophagy experience was limited but that they gave globally higher ratings to all preparations. In conclusion, insect tasting sessions are important to decrease food neophobia, as they encourage people to “take the first step” and become acquainted with entomophagy. Nevertheless, insect integration into Western food culture will involve a transitional phase with minced or powdered insects incorporated into ready-to-eat preparations, as people are not ready to add insects to their diets in “whole form.” [less ▲]

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See detailOptimization of a cheap and residential small-scale production of edible crickets with local by-products as an alternative protein-rich human food source in Ratanakiri Province (Cambodia)
Caparros Megido, Rudy ULiege; Alabi, Taofic ULiege; Nieus, Clément et al

in Journal of the Science of Food and Agriculture (2016)

Background - Health status of the indigenous people of the Ratanakiri Province, Cambodia, is significantly lower compared to the rest of the nation. The domestication and mass production of insects may ... [more ▼]

Background - Health status of the indigenous people of the Ratanakiri Province, Cambodia, is significantly lower compared to the rest of the nation. The domestication and mass production of insects may represent a sustainable, cost effective and high quality alternative source of protein to traditional livestock. This study aimed to optimise a cheap and residential cricket breeding system based on unused wild resources. The cricket development, Teleogryllus testaceus (Walker), under seven diets composed of taro aerial parts, young cassava leaves, young cashew leaves and brown rice flour (with or without banana slices), versus a traditionally used broiler feed diet was studied. Results - Cricket mortality was low in all diets, except the two cashew-based diets. Total biomass was significantly higher under the broiler feed, in addition to the two diets containing a combination of cassava leaf powder and brown rice. Yet, crickets fed with the taro diet had the highest percentage of protein. Concerning the breeding system cost, units using cassava leaves were the cheapest ones. Conclusion – Diets based of cassava leaves seems to be the most promising ones. Nevertheless, to produce crickets with a high body mass and a high protein level, a new experiment must be realised in which the cassava leaf maturity will be adapted to fit with the cricket growth stage. Moreover, to reduce the cost of the breeding units, handmade local products should be used instead of purchased components. [less ▲]

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See detailClé d'identification des principales familles d'insectes d'Europe
Mignon, Jacques ULiege; Haubruge, Eric ULiege; Francis, Frédéric ULiege

Book published by Presses agronomiques de Gembloux (2016)

Quelques insectes particuliers sont identifiables du premier coup d’œil ou par comparaison avec des illustrations de qualité. Malheureusement, il s’agit là d’exceptions et l’étude des insectes est souvent ... [more ▼]

Quelques insectes particuliers sont identifiables du premier coup d’œil ou par comparaison avec des illustrations de qualité. Malheureusement, il s’agit là d’exceptions et l’étude des insectes est souvent rendue complexe par la nécessité d’utiliser une loupe binoculaire et de maîtriser un vocabulaire spécifique difficilement accessible aux néophytes. Principalement destinée à l’enseignement de l’entomologie, la présente clé d’identification permet de donner un nom à quelque 180 familles ou super-familles d’insectes parmi les plus couramment rencontrées en Europe. Le vocabulaire utilisé est accessible à toute personne ayant des notions de base de la morphologie des insectes. Un glossaire et des figures permettent de combler certaines lacunes et de donner sens aux critères d’identification rencontrés. Reconnaître un insecte au niveau de la famille permet d’obtenir rapidement des précisions sur sa biologie et constitue une étape indispensable vers une connaissance approfondie des différentes espèces. [less ▲]

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See detailSteam Explosion Process
Jacquet, Nicolas ULiege; Haubruge, Eric ULiege; Richel, Aurore ULiege

Scientific conference (2015, December 17)

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See detailUpdated checklist of the mosquitoes (Diptera: Culicidae) of Belgium
Boukraa, Slimane ULiege; Dekoninck, Wouter; Versteirt, Veerle et al

in Journal of Vector Ecology : Journal of the Society for Vector Ecology (2015), 40(2), 398-407

Most information about the systematics and bioecology of Belgian mosquitoes dates back from before 1950, and only scattered information was produced during the last decades. In this paper we review and ... [more ▼]

Most information about the systematics and bioecology of Belgian mosquitoes dates back from before 1950, and only scattered information was produced during the last decades. In this paper we review and update the list of mosquito species recorded in Belgium, from first report (1908) to 2015. Six genera and 31 species were recorded so far, including 28 autochthonous species and three invasive alien species recently recorded in Belgium: Aedes albopictus (Skuse 1894), Ae. japonicus japonicus (Theobald 1901), and Ae. koreicus (Edwards 1917). The six genera are Anopheles (five species), Aedes (sixteen species), Coquillettidia (one species), Culex (four species), Culiseta (four species), and Orthopodomyia (one species). [less ▲]

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See detailMultiple analyses of microbial communities applied to the gut of the wood-feeding termite Reticulitermes flavipes fed on artificial diets
Tarayre, Cédric ULiege; Bauwens, Julien ULiege; Mattéotti, Christel et al

in Symbiosis (2015)

The purpose of this work was the observation of the differences between the microbial communities living in the gut of the termite Reticulitermes flavipes fed on different diets. The termites were fed on ... [more ▼]

The purpose of this work was the observation of the differences between the microbial communities living in the gut of the termite Reticulitermes flavipes fed on different diets. The termites were fed on poplar wood (original diet) and artificial diets consisting of crystalline cellulose (with and without lignin), α-cellulose (with and without lignin) and xylan. The termites were then dissected and the protist communities were analyzed through microscopy, leading to the conclusion that protist species are strongly influenced by diets. BIOLOG ECO Microplates® were used to assess the metabolic properties of the different types of consortia, highlighting strong differences on the basis of principal component analysis and calculation of similarity rates. The microorganisms were cultivated in liquid media corresponding to the artificial diets before being characterized through a metagenetic analysis of gut microbiota (16S ribosomal DNA). This analysis identified several phyla: Acidobacteria, Actinobacteria, Bacteroidetes, Cyanobacteria, Fibrobacteres, Firmicutes, Nitrospirae, OP9, Planctomycetes, Proteobacteria, Spirochaetes, TM6, Tenericutes, Verrucomicrobia and WS3. The OTUs were also determined and confirmed the abundance of Proteobacteria, Bacteroidetes, Firmicutes and Verrucomicrobia. It was possible to isolate several strains from the liquid media, and one bacterium and several fungi were found to produce interesting enzymatic activities. The bacterium Chryseobacterium sp. XAvLW produced α-amylase, β-glucosidase, endo-1,4-β-D-glucanase, endo-1,4-β-D-xylanase and filter paper-cellulase, while the fungi Sarocladium kiliense CTGxxyl and Trichoderma virens CTGxAviL generated the same activities added with endo-1,3-β-D-glucanase. [less ▲]

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See detailAssessment of the species richness of highly eusocial bees according with habitat in Gabon
Fabre Anguilet, Edgard ULiege; Bengone Ndong, Toussaint; Nguyen, Bach Kim ULiege et al

Poster (2015, May 18)

Bees are among the most e ective pollinators. These insects include honeybee and stin- gless bee. In Africa, habitat loss is the main threat to these insects. This loss of habitat is largely due to ... [more ▼]

Bees are among the most e ective pollinators. These insects include honeybee and stin- gless bee. In Africa, habitat loss is the main threat to these insects. This loss of habitat is largely due to various human activities. An evaluation of the richness of social bees in three locaties in Gabon (Central Africa) was conducted from October 2013 to March 2014: Kougouleu who underwent deforestation and implantation of food crops, forest area Mas- sengalini in bu er zone of protected area of Lope and Lekokodiba in logging concession of Preccious Woods Gabon. For this, a collection was conducted using yellow traps lled with a mixture of water and honey and using a hand vacuum in 20 sites in each area. The number of species was compared to that estimated there are about thirty years. Eleven species of social bees (Apis mellifera adansonii and ten stingless bee species) were collected, of which 5 to Kougouleu, 8 to Massengalini and 11 to L ekokodiba. Honeybee has been collected in all localities. Forest localities are distinguished from Kougouleu by higher species diversity. This di erence is highly signi cant (Kruskal-Wallis 2 = 45.362, df = 2 and p-value<0.001). A decrease of approximately 50% of the number of stingless bee species in 30 years was found to Kougouleu, while the number of social bee species varies little in forest localities. Our study shows that the loss of forest habitat causes a decline in the species richness of social bees and stingless bees are more sensitive to this loss as the honeybee. [less ▲]

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See detailFirst evidence of a volatile sex pheromone in Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae)
Fassotte, Bérénice ULiege; Fischer, Christophe ULiege; Durieux, Delphine ULiege et al

Conference (2015, May 13)

To date, volatile sex pheromones have not been identified in the Coccinellidae family; yet, various studies have suggested that such semiochemicals exist. Here, we collected volatile chemicals released by ... [more ▼]

To date, volatile sex pheromones have not been identified in the Coccinellidae family; yet, various studies have suggested that such semiochemicals exist. Here, we collected volatile chemicals released by virgin females of the multicolored Asian lady beetle, Harmonia axyridis (Pallas), which were either allowed or not allowed to feed on aphids. Virgin females in the presence of aphids, exhibited “calling behavior”, which is commonly associated with the emission of a sex pheromone in several Coleoptera species. These calling females were found to release a blend of volatile compounds that is involved in the remote attraction (i.e., from a distance) of males. Gas Chromatography Mass Spectrometry (GC-MS) analyses revealed that (–)-β-caryophyllene was the major constituent of the volatile blend (ranging from 80 to 86%), with four other chemical components also being present; β-elemene, methyl-eugenol, α-humulene, and α-bulnesene. In a second set of experiments, the emission of the five constituents identified from the blend was quantified daily over a 9-day period after exposure to aphids. We found that the quantity of all five chemicals significantly increased across the experimental period. Finally, we evaluated the activity of a synthetic blend of these chemicals by performing bioassays which demonstrated the same attractive effect in males only. The results confirm that female H. axyridis produce a volatile sex pheromone. These findings have potential in the development of more specific and efficient biological pest-control management methods aimed at manipulating the behavior of this invasive lady beetle. [less ▲]

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See detailFood Compounds from Meadow Grasshoppers
Paul, Aman ULiege; Frederich, Michel ULiege; Uyttenbroeck, Roel ULiege et al

Poster (2015, March 15)

Eating insects as food, particularly grasshopper is practiced in many cultures throughout the world. Meadow grasshopper (Chorthippus parallelus) is commonly found in Europe and some part of Asia. It is ... [more ▼]

Eating insects as food, particularly grasshopper is practiced in many cultures throughout the world. Meadow grasshopper (Chorthippus parallelus) is commonly found in Europe and some part of Asia. It is already known that grasshoppers of Chorthippus species are consumed as food in countries such as Thailand. With the aim of evaluating the nutritional potential of this insect species the proximate nutritional composition of grasshoppers caught from the local fields was realized. Besides this, the fatty acid profile of extracted lipids, amino acid profile and mineral composition of the insect was also revealed. Results suggest that meadow grasshopper is an excellent source of protein and essential amino acids. Lipids extracted from the grasshopper have an interesting fatty acid composition. Also the grasshopper contains some minerals that are important for body. With such protein content, amino acid profile, fatty acid profile of the lipids and mineral content this grasshopper species could present an interesting alternate to conventional protein sources. [less ▲]

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See detailBacteria may enhance species association in an ant-aphid mutualistic relationship
Fischer, Christophe ULiege; Lognay, Georges ULiege; Detrain, Claire et al

in Chemoecology (2015)

The mutualistic relationships between certain ant and aphid species are well known, the primary benefits being protection for the aphids and carbohydrate-rich honeydew for the ants. Questions remain ... [more ▼]

The mutualistic relationships between certain ant and aphid species are well known, the primary benefits being protection for the aphids and carbohydrate-rich honeydew for the ants. Questions remain, however, as to the exact semiochemical factors that establish and maintain such relationships. In this study we used a series of treatments and associated controls placed at the end of a two-way olfactometer to determine the degree of attractiveness of a complete plant-aphid-honeydew system as well as individual components of that system. Both the olfactometer branch selected by the black garden ant (Lasius niger), and the linear speed with which ants moved through the device, were measured. Study results showed that ants were attracted not just to the complete plant system and the honeydew itself, but also to the microbial flora in the absence of plant or honeydew, and specifically to a bacterium from the black bean aphid (Aphis fabae) honeydew, Staphylococcus xylosus. This bacterium produces a blend of semiochemicals that attract the ant scouts. This information suggests the presence of a naturally-occurring, reliable biotic cue for detection of potential aphid partners. This would have to be confirmed in natural conditions by further field experiments. Rather than being opportunistic species that coincidentally colonize a sugar-rich environment, microorganisms living in aphid honeydew may be able to alter emissions of volatile organic compounds (VOCs), thus significantly mediating partner attraction. A bacterial involvement in this mutualistic relationship could alter the manner in which these and similar relationships are viewed and evaluated. Future studies into mutualism stability and function among macroscopic partners will likely need to transition from a two-partner perspective to a multiple-partner perspective, and consider the microbial component, with the potential for one or more taxa making significant contributions to the relationship [less ▲]

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See detailNghiên cứu và thiết kế hai kiểu chuồng nuôi nhông cát Leiolepis guttata (Cuvier, 1829) phù hợp với điều kiện nuôi và vốn đầu tư tại huyện Bắc Bình, tỉnh Bình Thuận
Tran, Tinh ULiege; Tran, Ngoc Nguyen Kim Dieu; Vo, Kim Thong et al

in Journal of Agriculture Sciences and Technology (2015), 1/2014

Building of an enclosure for rearing of the spotted butterfly lizard, Leiolepis guttata (Cuvier, 1829), by the first farmer in 2004 (in Hong Chinh commune, Hoa Thang ward, Bac Binh district, Binh Thuan ... [more ▼]

Building of an enclosure for rearing of the spotted butterfly lizard, Leiolepis guttata (Cuvier, 1829), by the first farmer in 2004 (in Hong Chinh commune, Hoa Thang ward, Bac Binh district, Binh Thuan province) is considered as a fortuitous discovery which was the initiator of the current expanding trend of its rearing. Because L. guttata is a wild animal, with strong disease resistance and adaptation capacity, livestock farmers are presently not very interested in important aspects: rearing techniques, enclosure’s types, sex ratio, diseases’ prevention, etc. Notably the building of enclosures not perfectly suitable breeds a noticeable loss of the number of lizards and a reduction in the profits for the farmers. To this end, the building of two types of enclosures adapted to local rearing conditions and the investing capital available in Bac Binh district, Binh Thuan province is presently essential. We descrite two types of enclosure: the first one surrounded by a bricks (or breeze blocks) wall, the second one fended by a fiber cement corrugated sheets wall. Moreover, we suggest to introduce plants in order to build a vegetal cover nearer to the natural environment of L. guttata: shrubs and a plant carpet becoming the preferential refuge area of the spotted butterfly lizard. [less ▲]

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