Results 101 to 110 of about 417 (120)

Performance of Two Fruit Fly (Diptera: Tephritidae) Pupal Parasitoids (Coptera haywardi [Hymenoptera: Diapriidae] and Pachycrepoideus vindemiae [Hymenoptera: Pteromalidae]) under Different Environmental Soil Conditions

open access: closedBiological Control, 2002
We evaluated the performance of Coptera haywardi (Ogloblin) (Diapriidae) and Pachycrepoideus vindemiae (Rondani) (Pteromalidae), both hymenopteran pupal parasitoids of Anastrepha spp. (Diptera: Tephritidae). Performance was studied by manipulating the following environmental conditions in the laboratory: (1) soil type, (2) soil moisture content, (3 ...
Larissa GuillÉn   +2 more
exaly   +3 more sources

A venom protein of ectoparasitoid Pachycrepoideus vindemiae, PvG6PDH, contributes to parasitism by inhibiting host glucose‐6‐phosphate metabolism

open access: closedInsect Science, 2021
AbstractTo achieve successful development, female parasitoids, while laying eggs, introduce various virulence factors, mainly venoms, into host insects to manipulate their physiology. Although numerous studies have been conducted to characterize the components of venoms that regulate host immune responses, few systematic investigations have been ...
Lei Yang   +4 more
openalex   +3 more sources

A venom protein, Kazal‐type serine protease inhibitor, of ectoparasitoid Pachycrepoideus vindemiae inhibits the hemolymph melanization of host Drosophila melanogaster

open access: closedArchives of Insect Biochemistry and Physiology, 2020
AbstractParasitic wasps inject various virulence factors into the host insects while laying eggs, among which the venom proteins, one of the key players in host insect/parasitoid relationships, act in host cellular and humoral immune regulation to ensure successful development of wasp progeny.
Lei Yang   +3 more
openalex   +3 more sources

Host‐feeding and egg maturation by Pachycrepoideus vindemiae

open access: closedEntomologia Experimentalis et Applicata, 1993
AbstractPachycrepoideus vindemiae Rondani (Hymenoptera: Pteromalidae) is a facultative hyperparasitoid of Drosophila parasitoids in Europe. Female P. vindemiae host‐feed from the same hosts into which they lay eggs and this enables them to mature additional eggs. P.
David S. Phillips
openalex   +2 more sources

Host Selection and Sex Allocation By Pachycrepoideus Vindemiae Rondani (Pteromalidae) as a Facultative Hyperparasitoid of Asobara Tabida Nees (Braconidae; Alysiinae) and Leptopilina Heterotoma (Cynipoidea; Eucoilidae)

open access: closedNetherlands Journal of Zoology, 1982
1) Pachycrepoideus vindemiae Rondami, a pupal parasitoid of Drosphila, accepts puparia containing any stage of the larval parasitoids Asobara tabida Nees and Leptopilina heterotoma (Thomson) in experiments in which it could choose between equal number of puparia containing uparasitized Drosophila pupae and puparia containing some stage of the larval ...
J. J. M. Van Alphen, Isabel Thunnissen
openalex   +2 more sources

Brachymeria lasus and Pachycrepoideus vindemiae: Sterol requirements during larval growth of two hymenopterous insect parasites reared in vitro on chemically defined media

open access: closedExperimental Parasitology, 1981
Abstract Brachymeria lasus and Pachycrepoideus vindemiae failed to develop in vitro on sterol-free artificial media, and dietary acetate and squalene failed to maintain and/or support growth. The sterols, cholesterol, cholestanol, β-sitosterol, 7-dehydrocholesterol, and cholesterol linoleate were all utilized and maintained larvae of both species ...
S. N. Thompson
openalex   +3 more sources

Male Courtship Patterns and Female Receptivity Signal of Pteromalinae (Hym., Pteromalidae), With a Consideration of Some Evolutionary Trends and a Comment On the Taxonomic Position of Pachycrepoideus Vindemiae

open access: closedNetherlands Journal of Zoology, 1973
Courtship behaviour of a number of species of Pteromalinae (Hym., Pteromalidae) was observed (species are listed in Table I). This paper is a preliminary report about the general properties of courtship in this group of chalcids. Pteromaline males court from a frontal position on the female, the male's front feet being placed on the female's head ...
J. Van Den Assem
openalex   +2 more sources

Artificial culture of the insect parasite, Pachycrepoideus vindemiae

open access: closedEntomologia Experimentalis et Applicata, 1983
S. N. Thompson   +2 more
openalex   +2 more sources
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