Pachygaster

Meigen, 1803

Species Guides

2

Pachygaster is a of soldier flies in the Stratiomyidae, Pachygastrinae. The genus is distinguished by specific wing venation and thoracic characteristics, including separate R4 and R5 radial , a scutellum lacking a distinct rim, and non-flattened hairs on the sides of the . Multiple have been described across the genus, with records spanning Europe, Asia, and other regions.

Pachygaster pulchra by (c) Zachary Dankowicz, some rights reserved (CC BY), uploaded by Zachary Dankowicz. Used under a CC-BY license.Pachygaster pulchra by (c) Zachary Dankowicz, some rights reserved (CC BY), uploaded by Zachary Dankowicz. Used under a CC-BY license.Pachygaster pulchra by (c) Justin Williams, some rights reserved (CC BY), uploaded by Justin Williams. Used under a CC-BY license.

Pronunciation

How to pronounce Pachygaster: //ˌpækɪˈɡæstər//

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Identification

Distinguished from other Pachygastrinae by three morphological characters: R4 and R5 radial are separate (not or convergent); scutellum lacks a distinct rim; and hairs on the sides of the are not flattened. These traits are diagnostic for the and can be observed in specimens.

Images

Distribution

of Pachygaster have been recorded from Europe, Asia, and other regions based on described species. Specific locality data includes: P. leachii (United Kingdom), P. atra (Europe), P. pulcher (Europe), P. flavipennis (United Kingdom), P. annulipes (India), P. kerteszi (Hungary), P. dorsalis and P. flavimanus (Taiwan), P. characta and P. montana (North America), P. wirthi (North America), P. antiquus (North America), P. maura (Europe), P. piriventris (Slovakia), P. emerita and P. subatra (Israel), and P. hymenaea (Baltic amber).

Similar Taxa

  • Other Pachygastrinae generaPachygaster differs in having separate R4 and R5 (versus convergent or in related ), scutellum without rim, and non-flattened mesonotal hairs.

Sources and further reading