Dataset Information

First description of the male of Solenura ania (Walker) (Hymenoptera: Pteromalidae), a giant pteromalid parasitoid of Trichoferus campestris (Faldermann), with special reference to its sexual dimorphism.

ABSTRACT: Background:The giant pteromalid wasp Solenura ania (Walker) has a distinct sexual dimorphism. The metallic blue female is about 28 mm long and the metallic green male is only about 6 mm in length. This species is an ectoparasitoid of some woodborers, such as Trichoferus campestris (Faldermann), a pest of many live trees and wood furniture and a quarantine pest in many countries. However, the male of this pteromalid was not described prior to this study. New information:The male of the species is first described, based on newly-collected material. Photographs of habitus, head, mesosoma, metasoma and other structures of both sexes are provided to facilitate recognition of this giant pteromalid. Sexual dimorphism is also compared in the present study.

SUBMITTER: Cao L

PROVIDER: S-EPMC7406544 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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First description of the male of <i>Solenura ania</i> (Walker) (Hymenoptera: Pteromalidae), a giant pteromalid parasitoid of <i>Trichoferus campestris</i> (Faldermann), with special reference to its sexual dimorphism.

Cao Liangming L Cui Jianxin J Wang Xiaoyi X Wang Guisen G Yang Zhongqi Z

Biodiversity data journal 20200729

<h4>Background</h4>The giant pteromalid wasp <i>Solenura ania</i> (Walker) has a distinct sexual dimorphism. The metallic blue female is about 28 mm long and the metallic green male is only about 6 mm in length. This species is an ectoparasitoid of some woodborers, such as <i>Trichoferus campestris</i> (Faldermann), a pest of many live trees and wood furniture and a quarantine pest in many countries. However, the male of this pteromalid was not described prior to this study.<h4>New information</ ...[more]

PMID: 32821212

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Project description:Pachycrepoideus vindemmiae is a wasp that parasitizes and host-feeds on pupae of the invasive spotted-wing drosophila (SWD, Drosophila suzukii). Few studies have addressed interactions between these two species and little is known about the potential of this parasitoid as a biocontrol agent of SWD and the different variables that may affect it. Here, we investigated the impact of extrinsic and intrinsic factors on life-history traits of P. vindemmiae. Both constant (entire adulthood) and limited (30 minutes) supplies of water + honey, honey, or host increased parasitoid survival compared to controls (water or fasting). Water + honey caused the highest parasitoid survivals (35-60 days), independent of supply period, sex, and host availability. Females were intrinsically more resistant to water- and honey-deprivation than males, and host-feeding elevated such resistance even higher. Constant honey supply (either with or without water) supported the highest host-killing capacities (= capacity to kill hosts) (ca. 600 SWD pupae/wasp). However, in young females (4-9 days old), the impact of honey availability (with or without water) was insignificant while water deprivation (either with or without honey) caused the highest host-killing potential. This indicates that although sugar becomes a critical nutritional resource as females age, young females depend more on water than sugar to reproduce. Neither water nor honey affected the sex ratio of young females, but when we considered the entire adulthood, the availability of honey caused the lowest proportion of females (0.50), independent of water availability. Neither water nor honey affected parasitoid emergence rate (0.97), independent of female age. Based on survival and host-killing capacity, we conclude that P. vindemmiae has a tremendous biocontrol potential against SWD. Both limited and constant supply of water, sugar, and host increase parasitoid survival, while constant supply of water and/or honey enhance its host-killing potential and decrease sex ratio depending on maternal age.

Dataset Information

First description of the male of Solenura ania (Walker) (Hymenoptera: Pteromalidae), a giant pteromalid parasitoid of Trichoferus campestris (Faldermann), with special reference to its sexual dimorphism.

Publications

First description of the male of <i>Solenura ania</i> (Walker) (Hymenoptera: Pteromalidae), a giant pteromalid parasitoid of <i>Trichoferus campestris</i> (Faldermann), with special reference to its sexual dimorphism.

Similar Datasets

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