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Scanning electron microscopy studies of antennal sensilla of Pteromalus cerealellae (Hymenoptera: Pteromalidae).
TLDR
Examination of the external morphology of the antennal sensilla of this parasitoid using scanning electron microscopy suggests that the multiporous type III sensilla trichodea and the multipory placoid sensilla may play a role in olfaction, whereas the uniporous chaetica sensilla might function as contact chemoreceptors. Expand
Effects of sugar feeding on carbohydrate and lipid metabolism in a parasitoid wasp
TLDR
The results suggest that dietary sucrose is used to synthesize trehalose and glycogen, but not lipids in M. grandii, and that egg maturation rate was higher in starved than in sugar‐fed females. Expand
Moth uses fine tuning for odour resolution
TLDR
Male moths, when responding to their species' blend of sex pheromones, cease their upwind flight when additional compounds are added to the mixture, suggesting a fine discrimination between the occurrence of pherumone and antagonist. Expand
Fine-scale resolution of closely spaced pheromone and antagonist filaments by flying male Helicoverpa zea
TLDR
Results suggest that male H. zea are able to distinguish between odor sources separated by as little as 1 mm in space and 0.001 s in time, which is well within the limits of a male moth's ability to resolve closely spaced odor filaments. Expand
Comparative GC-EAD Responses of A Specialist (Microplitis croceipes) and A Generalist (Cotesia marginiventris) Parasitoid to Cotton Volatiles Induced by Two Caterpillar Species
TLDR
Differences in the ratios of identical volatile compounds between similar volatile blends may be used by specialist parasitoids to discriminate between host-plant and non-host-plant complexes. Expand
Functional responses and prey-stage preferences of three species of predacious mites (Acari: Phytoseiidae) on citrus red mite, Panonychus citri (Acari: Tetranychidae)
  • Yingfang Xiao, Yingfang Xiao, H. Fadamiro
  • Biology
  • 1 June 2010
TLDR
Results from experiments on prey-stage preferences showed that all three phytoseiids preferred nymphs to eggs of P. citri, and among the three species, P. persimilis had the highest predation potential, in particular at high prey densities. Expand
Abundance of antennal chemosensilla in two parasitoid wasps with different degree of host specificity may explain sexual and species differences in their response to host‐related volatiles
The endoparasitic wasps (Hymenoptera: Braconidae), Microplitis croceipes (specialist), and Cotesia marginiventris (generalist) are parasitoids of lepidopteran larvae that differ in their degree ofExpand
Diversity and Seasonal Abundance of Predacious Mites in Alabama Satsuma Citrus
TLDR
Analysis of fruit, leaf and orchard ground cover plant samples collected in fall (October) 2005 showed greater abundance of phytoseiid mites on ground cover plants than on citrus fruit and leaves, suggesting that ground cover Plants may serve as overwintering reservoirs for predacious mites. Expand
Lifespan and patterns of accumulation and mobilization of nutrients in the sugar‐fed phorid fly, Pseudacteon tricuspis
TLDR
Data suggest that adult P. tricuspis are capable of converting dietary sucrose to body sugars and glycogen, but not lipids, and that these teneral amounts represent the highest lipid levels detected in adult flies, irrespective of their diet. Expand
Antennal sensilla of the decapitating phorid fly, Pseudacteon tricuspis (Diptera: Phoridae).
TLDR
The morphology of the antennal sensilla of both sexes of P. tricuspis was studied to facilitate future studies on the neurobiology of olfaction in decapitating phorid flies and to demonstrate the use of fire ant semiochemicals to locate host worker ants. Expand
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