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Comparison of antennal sensilla of Anaphes victus and A. listronoti (Hymenoptera, Mymaridae), egg parasitoids of Curculionidae
Abstract Antennal sensilla were compared in females and males of two sympatric mymarid Hymenoptera, Anaphes victus and A. listronoti which are, respectively, solitary and gregarious parasitoids ofExpand
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Female antennal sensilla of Epidinocarsis lopezi and Leptomastix dactylopii (Hymenoptera: Encyrtidae), parasitoids of pseudococcid mealybugs
Antennal sensilla were compared in females of two encyrtid Hymenoptera, Epidinocarsis lopezi and Leptomastix dactylopii, parasitoids of adults and larvae of Pseudococcidae. The external morphology ofExpand
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Variability in the development of cereal aphid parasitoids and hyperparasitoids in oceanic regions as a response to climate and abundance of hosts
Experiments were conducted to understand how parasitoids and hyperparasitoids of cereal aphids in oceanic regions survive the periodic disappearance of their hosts. We recorded the number ofExpand
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Life history comparison between two competitive Aleochara species in the cabbage root fly, Delia radicum: implications for their use in biological control
This study evaluates the efficacy of Aleochara bilineata Gyll and Aleochara bipustulata L. (Coleoptera: Staphylinidae) as biological control agents against the cabbage root fly, Delia radicum L.Expand
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Intra- and interspecific host discrimination in two closely related egg parasitoids
Intraspecific host discrimination is frequently found in solitary parasitoids, but interspecific host discrimination, where female parasitoids recognize hosts already parasitized by females of otherExpand
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Costs of secondary parasitism in the facultative hyperparasitoid Pachycrepoideus dubius: does host size matter?
Although hyperparasitism frequently occur in parasitic insects, many aspects of this strategy remain unknown. We investigated possible fitness costs of hyperparasitism as influenced by host size. OurExpand
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Intraspecific hyperparasitism in a primary hymenopteran parasitoid
In solitary parasitoids, in which only one individual can emerge per host, the adaptive value of conspecific superparasitism is a function of the survival probability of the egg laid by theExpand
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The male and female first instar larvae of Anaphes victus and A. listronoti (Hymenoptera, Mymaridae)
Abstract Anaphes victus and A. listronoti are two closely related species, respectively solitary and gregarious parasitoids of eggs of the carrot weevil Listronotus oregonensis (Coleoptera,Expand
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Megarhyssa atrata F., the largest hymenopteran parasitoid known, is found in the holarctic. The stylus of its ovipositor can reach a length of 142 mm, the longest of all known genitalia inExpand
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Host‐stage selection by Trybliographa rapae, a parasitoid of the cabbage root fly Delia radicum
Host‐stage selection by Trybliographa rapae Westwood (Hymenoptera: Figitidae) was studied in choice and no‐choice experiments in the laboratory. The parasitoid was able to reproduce in first, second,Expand
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