Aphid parasitoids
Diversity and host associations of aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae) in the farmlands of western Iran
... host aphid species, but a few species were involved in various habitats in association with many aphid ...c aphid parasitoids was found in alfalfa (Aphidius smithi, Aphidius eadyi, Praon ...
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Responses of aphid parasitoids to aphid sex pheromones: laboratory and field studies
... Figure 6.9 Total numbers of Praon and Aphidius mummies recorded from pheromone and control winter wheat plots in 1996 field trial... Figure 6.10 Percentage parasitisation in wint[r] ...
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Spatiotemporal variations in aphid-parasitoid relative abundance patterns and food webs in agricultural ecosystems
... cereal aphid parasitoids, at both annual and interre- gional scales, but not at the local ...of parasitoids exploiting three species of aphids) was generally homogeneous at both the annual and the ...
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Aphid alarm pheromone produced by transgenic plants affects aphid and parasitoid behavior
... to aphid control ...attracting aphid parasitoids (4, 5), the effect of transgenic plants on the foraging behavior of Diaeretiella rapae (Hymenoptera: Bra- conidae) (6) was also ...foraging ...
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Foraging behaviour at the fourth tropic level: a comparative study of host location in aphid hyperparasitoids
... four aphid hyperparasitoid species: Dendrocerus carpenteri (Curtis) (Hymenoptera: Megaspilidae), Asaphes suspensus Walker (Hymenoptera: Pteromalidae), Alloxysta victrix (West- wood) (Hymenoptera: Alloxystidae) and ...
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Field evaluation of synthetic aphid sex pheromone in enhancing suppression of aphid abundance by their natural enemies
... containing aphid sex pheromone components (4aS,7S,7aR)-nepetalactone and (1R,4aS,7S,7aR)-nepetalactol on abundance of pea aphid, Acyrthosiphon pisum Harris, aphid para-sitoids, predators and ...
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Response of Aphidius colemani to aphid sex pheromone varies depending on plant synergy and prior experience
... of aphid parasitoids (see Powell and Pickett, 2003) in addition to lacewings (Zhang et ...Although aphid populations are often asexual, it is hypothesized that the strong response seen by ...
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Genome of Russian wheat aphid an economically important cereal aphid
... understanding of the genomic and molecular functioning of this family be elucidated. Recently, the genome of US D. noxia biotype US2 was sequenced but its assembly only incorporated ~ 32% of produced reads and contained ...
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Influence of host plant on susceptibility of the aphid Acyrthosiphon pisum (Hemiptera: Aphididae) to the fungal pathogen Pandora neoaphidis (Zygomycetes: Entomophthorales)
... many aphid species to marked seasonality and ephemeral summer host resources includes polyphenism (sexual, asexual forms) and telescoping of generations in parthe- nogenic summer females (Dixon, ...
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The impacts of climate change and belowground herbivory on aphids via primary metabolites
... Plants, in addition to aboveground herbivores, often have to contend with root damage by herbivores, which may increase amino acid concentrations in the foliage and, in turn, make the plant more susceptible to ...
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Herbivory by a Phloem-Feeding Insect Inhibits Floral Volatile Production
... whether aphid-induced changes in floral volatile production affects olfactory orientation by two important aphid natural enemies, both of which use aphid-induced volatiles in host location [23,38] ...
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SEASONAL INCIDENCE OF SUCKING PESTS AND THEIR NATURAL ENEMIES IN COTTON
... viz., aphid, leaf hoppers, thrips, whitefly and their damage continued throughout the crop ...season. Aphid was observed throughout growing season up to 48 th MW and attained initial peak during 32 nd ...
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Predicting aphid abundance on winter wheat using suction trap catches
... routine aphid identification because of the necessity of using time-consuming measure- ments of aphid morphological characteristics and multivariate computation ...anholocyclic aphid populations in ...
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Aspects of the biology and ecology of Acyrthosiphon kondoi shinji (Homoptera: Aphididae): a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Biology at Massey University
... loss to declining aphid populations was also shown to occur by the emigration of alate· aphids, ·It seems that · aphid population · growth· patterns are directed towards the ·lowering of[r] ...
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One hundred years of parasitoids
... on parasitoids has thrived, broadening from the initial focus on agricultural applications to now include a vast array of topics within genetics, physiology, behaviour, ecology and evolutionary ...using ...
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Length of prematurity period in wheat cultivars determines maximum cereal aphid abundance
... maximum aphid abundances compared to late flowering, which is associated with a long vegetation ...increasing aphid abundance on ...time aphid populations already began to decline ...maximum ...
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Impact of host plant health and host plant resistance on Aphis glycines (Hemiptera: Aphididae)
... soybean aphid resistance gene Rag1 exposed to biotype-4 soybean ...soybean aphid resistance gene pyramid Rag1 and Rag2 exposed to biotype-4 soybean ...
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Interactions among biological control, cultural control and barley resistance to the Russian wheat aphid, Diuraphis noxia (Kurdjumov), in Colorado, Kansas and Nebraska
... several aphid species across the cereal growing regions of the world, with Russian wheat aphid, Diuraphis noxia (Kurdjumov) (RWA), being one of the most economically important introduced pests in the United ...
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Attraction of female Aedes aegypti (L.) to aphid
... Aedes aegypti, to honeydew odorants from the green peach aphid, Myzus persicae, and the pea 16.. aphid, Acyrthosiphon pisum, feeding on fava bean, Vicia faba.[r] ...
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Competition and Niche-Partitioning in Two Species of Walnut Aphids
... green aphid (Chromaphis juglandicola Kalt.) and Dusky veined aphid (Panaphis juglandis ...two aphid species are not usually found together on same trees or ...
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