hymenoptera Concept

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research area of

• Agboton, Cyriaque, IITA, IITA
• Dannon, Elie, IITA, IITA
• Goergen, Georg, Entomologist/Biocontrol Specialist, IITA, IITA
• Hanna, Rachid, Entomologist/Country Representative, IITA, IITA
• Legg, James, Plant Health Specialist, IITA, The Alliance of Bioversity and CIAT
• Neuenschwander, Peter, Scientist, IITA, IITA
• Tamo, Manuele, Insect Ecologist, IITA, IITA

subject area of

• A geographic distribution database of the Neotropical cassava whitefly complex (Hemiptera, Aleyrodidae) and their associated parasitoids and hyperparasitoids (Hymenoptera).
• Acceptance and suitability of ultraviolet-irradiated Helicoverpa armigera (Hühner) (Lep., Noctuidae) eggs for Trichogramma chilonis Ishii (Hym., Trichogrammatidae)
• Adoption of a surrogate artificial queen in a colony of Atta cephalotes (L.) (Hymenoptera: Formicidae) in Colombia
• Assessing non-target effects and host feeding of the exotic parasitoid Apanteles taragamae, a potential biological control agent of the cowpea pod borer Maruca vitrata
• At-Rest Setal Wing Coupling and Restraining Mechanisms in the Encyrtidae and Aphelinidae (Hymenoptera: Chalcidoidea)
• Augmentative on-farm delivery methods for the parasitoid Habrobracon hebetor Say (Hymenoptera: Braconidae) to control the millet head miner Heliocheilus albipunctella (de Joannis) (Lepidoptera: Noctuidae) in Burkina Faso and Niger
• Biology and field performance of Gryon clavigrallae (Hymenoptera: Scelionidae), an egg parasitoid of Clavigralla spp. (Hemiptera: Coreidae) in India
• Competition between Gyranusoidea tebygi and Anagyrus mangicola, parasitoids of the mango mealybug, Rastrococcus invadens: interspecific host discrimination and larval competition
• Comportamiento de búsqueda de Amitus fuscipennis (Hymenoptera: Platygasteridae): Tiempo de permanencia en la planta hospedera y actividad de búsqueda
• Current distribution and population dynamics of the little fire ant supercolony in Cameroon
• Do additional sugar sources affect the degree of attendance of Dysmicoccus brevipes by the fire ant Solenopsis geminata
• Dominance hierarchy in colonies of Belonogaster juncea juncea (Vespidae, Polistinae)
• Effects of Volatiles from Clavigralla tomentosicollis Stål. (Hemiptera: Coreidae) Adults on the Host Location Behavior of the Egg Parasitoid Gryon fulviventre (Crawford) (Hymenoptera: Scelionidae).
• Effects of a plant resistance protein on parasitism of the common bean bruchid Acanthoscelides obtectus (Coleoptera: Bruchidae) by its natural enemy Dinarmus basalis (Hymenoptera: Pteromalidae)
• Effects of volatiles from Maruca vitrata larvae and caterpillar-infested flowers of their host plant Vigna unguiculata on the foraging behavior of the parasitoid Apanteles taragamae.
• Efficiency of Gryon fulviventris (Hymenoptera: Scelionidae) as an Egg Parasitoid of Clavigralla tomentosicollis (Hemiptera: Coreidae) in Northern Nigeria
• Egg parasitoids of hemipteran pests of cowpea in Nigeria and Tanzania, with Special reference to Ooencyrtus patriciae Subba Rao (Hymenoptera: Encyrtidae) attacking Clavigralla tomentosicollis Stål (Hemiptera: Coreidae)
• Factors Affecting the Biology of Telenomus isis (Polaszek) (Hymenoptera: Scelionidae), an Egg Parasitoid of Cereal Stem Borers in West Africa
• Field dispersal of the parasitoid wasp Habrobracon hebetor (Hymenoptera: Braconidae) following augmentative release against the millet head miner Heliocheilus albipunctella (Lepidoptera: Noctuidae) in the Sahel
• Field persistence of Habrobracon hebetor (Say) (Hymenoptera: Braconidae) following augmentative releases against the millet head miner, Heliocheilus albipunctella (de Joannis) (Lepidoptera: Noctuidae), in the Sahel
• Food web of insects associated with the cassava mealybug, Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae), and its introduced parasitoid, Epidinocarsis lopezi (De Santis) (Hymenoptera: Encyrtidae), in Africa
• Foraging activity and diet of the ant, Anoplolepis tenella Santschi (Hymenoptera: Formicidae), in southern Cameroon
• Functional complement of biogenic structures produced by earthworms, termites and ants in the neotropical savannas
• Functional response and searching efficiency in Pseudogonatopus flavifemur Esaki and Hash. (Hymenoptera: Dryinidae), a parasite of rice planthoppers
• Host feeding and ovipositor insertion as sources of mortality in the mealybug Phenacoccus herreni caused by two encyrtids, Epidinocarsis diversicornis and Acerophagus coccois
• Host location and host discrimination behavior of Telenomus isis, an egg parasitoid of the African cereal stem borer Sesamia calamistis.
• Host stage preference and sex allocation in Aenasius vexans, an encyrtid parasitoid of the cassava mealybug
• Host suitability and thermal requirements of Lathromeris ovicida Risbec (Hymenoptera: Trichogrammatidae), an egg parasitoid of cereal stemborers in Africa
• Identification and synthesis of a kairomone mediating host location by two parasitoid species of the cassava mealybug Phenacoccus herreni.
• Identification of relevant non-target organisms exposed to weevil-resistant Bt sweetpotato in Uganda
• Innate aversion to ants (Hymenoptera: Formicidae) and ant mimics: experimental findings from mantises (Mantodea)
• Insectary production and synopsis of Fopius caudatus (Hymenoptera: Braconidae), parasitoid of tephritid fruit flies indigenous to Africa
• Interaction between the aphid parasitoid Lysiphlebus testaceipes (Hymenoptera: Aphidiidae) and its hyperparasitoid Syrphophagus africanus (Hymenoptera: Encyrtidae)
• Interference by ants in biological control of the cassava mealybug Phenacoccus manihoti (Hemiptera: Pseudococcidae) in Ghana.
• Interspecific competition between egg parasitoids: Native Fopius caudatus and exotic Fopius arisanus, in Ceratitis cosyra
• Intrinsic rate of population increase of Amitus fuscipennis MacGown and Nebeker (Hym., Platygasteridae) according to climatic conditions and bean cultivar
• Isopentyl Butanoate: Aggregation Pheromone of the Brown Spiny Bug, Clavigralla tomentosicollis (Hemiptera: Coreidae), and Kairomone for the Egg Parasitoid Gryon sp. (Hymenoptera: Scelionidae).
• MELANIZATION OF EGGS AND LARVAE OF THE PARASITOID, EPIDINOCARSIS LOPEZI (DE SANTIS) (HYMENOPTERA: ENCYRTIDAE), BY THE CASSAVA MEALYBUG, PHENACOCCUS MANIHOTI MATILE-FERRERO (HOMOPTERA: PSEUDOCOCCIDAE)
• Mating System among Provenances of Sclerocarya birrea (A. Rich.) Hochst.
• Morphometric Characterization of Parasite Varroa Sp. of Bee Apis Mellifera L. In Benin
• New techniques of rearing Anagrus flaveolus [Hym.: Mymaridae], an egg parasitoid of the brown planthopper
• Occurrence and activity of Bemisia tabaci parasitoids on cassava in different agro-ecologies in Uganda
• Occurrence and direct control potential of parasitoids and predators of the fall armyworm (Lepidoptera: Noctuidae) on maize in the subtropical lowlands of Mexico
• Oecophylla longinoda (Hymenoptera: Formicidae) Lead to Increased Cashew Kernel Size and Kernel Quality.
• Oviposition Behavior and Development of Goniozus triangulifer Kieffer (Hymenoptera: Bethylidae)
• Parasitism of Bemisia tabaci (Homoptera: Aleyrodidae) by Eretmocerus mundus (Hymenoptera: Aphelinidae) on cassava
• Parasitism of Clavigralla spp. (Hemiptera:Coreidae) Eggs by Gryon clavigrallae Mineo (Hymenoptera:Scelionidae)
• Parasitism of Locally Recruited Egg Parasitoids of the Fall Armyworm in Africa
• Paratrechina longicornis (Hymenoptera: Formicidae), a Predator of Helicoverpa armigera (Lepidoptera: Noctuidae) Eggs
• Plant density and wheat stem sawfly (Hymenoptera: Cephidae) resistance in Syrian wheats
• Pupae transplantation to boost early colony growth in the weaver ant Oecophylla longinoda Latreille (Hymenoptera: Formicidae)
• Searching and oviposition behaviour of Amitus fuscipennis, a parasitoid of the greenhouse whitefly
• Self-, Intra-, and Interspecific Host Discrimination in Telenomus busseolae Gahan and T. isis Polaszek (Hymenoptera: Scelionidae), Sympatric Egg Parasitoids of the African Cereal Stem Borer Sesamia calamistis Hampson (Lepidoptera: Noctuidae)
• Sesamia calamistis Calling Behavior and Its Role in Host Finding of Egg Parasitoids Telenomus busseolae , Telenomus isis , and Lathromeris ovicida
• Should I stay or should I go now? Patch use by African army ant colonies in relation to food availability and predation
• Significance of the tropical fire ant Solenopsis geminata (hymenoptera: formicidae) as part of the natural enemy complex responsible for successful biological control of many tropical irrigated rice pests.
• Suitability of three Lepidopteran host species for mass-rearing the egg parasitoid Trichogrammatoidea eldanae Viggiani (Hymenoptera: Trichogrammatidae) for biological control of cereal stemborers
• Tanaostigmodes cajaninae LaSalle sp. n. (Hymenoptera: Tanaostigmatidae), a potential pest of pigeon pea in India
• Taxonomy of the Telenomus busseolae species-complex (Hymenoptera: Scelionidae) egg parasitoids of cereal stem borers (Lepidoptera: Noctuidae, Pyralidae).
• Tetrastichus howardi (Olliff) (Hymenoptera:Eulophidae), a Hyperparasitoid of Tachinid Natural Enemies of Helicoverpa armigera (Hubner) (Lepidoptera:Noctuidae) in India
• The native hyperparasitoid complex of the invasive aphid parasitoid Lysiphlebus testaceipes (Hymenoptera: Braconidae: Aphidiinae) in Benin, West Africa.
• Transport and Dispersal of Stictococcus Vayssierei (Hemiptera, Stictococcidae) by Anoplolepis Tenella (Hymenoptera, Formicidae)
• World review of the natural enemies and diseases of Spodoptera litura (F.) (Lepidoptera: Noctuidae).