Genus : Hemiptarsenus Westwood, 1833

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Identification


Diagnosis

Fore wing with three or more setae on submarginal vein. Postmarginal vein (PMV) distinctly longer (2x or more) than stigmal vein (STV).
Antenna with toruli inserted high on the face and also for this reason the slender scape, usually at least 5.5 times longer than wide, distinctly exceeds level of vertex. Flagellum with 1 anellus. Funicle 4-segmented. First 3 male funicular segments branched. Club with 1-2 segments.
Vertex, frons, face and clypeus slightly sculptured. Malar sulcus present and straight.
Notauli absent or incomplete. Mesoscutum slightly sculptured, with a few setae. Scutellum slightly sculptured, with two pairs of setae and without longitudinal lines. Propodeum often long and flat, slightly longer than broad, but sometimes 2 or more times broader than long; median carina and plicae, nearly always indistinct or absent (except H. unguicellus (Zetterstedt)). Petiole distinct, though often short.
Body colour usually brown to black or dark green metallic, sometimes with yellow markings on thorax and/or gaster.

 

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Superfamily : Chalcidoidea
Family : Eulophidae
Subfamily : Eulophinae
Tribe : Eulophini

Classification

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Overview

Hemiptarsenus is a small genus (about 25 species) which is cosmopolitan in distribution (Noyes, 2002; 2003). Species are parasitoids of leafminers, mainly Diptera and Lepidoptera, but more rarely Coleoptera and Hymenoptera. Like other eulophines, Hemiptarsenus species are external parasitoids.
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Identification

Hemiptarsenus is included in recent generic keys to eulophids for Australasia (Boucek, 1988) and North America (Schauff et al, 1997), and it is included in a web-based key to all Eulophidae genera which attack leafmining Agromyzidae (Reina & La Salle, 2003). Keys to species are available for China (Zhu et al., 2000a).

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