Hemiptarsenus varicornis (Girault) 1913

forewing
female Hemiptarsenus varicornis
thorax
tip of female antenna
propodeum
female antenna
head
male antenna
male Hemiptarsenus varicornis
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Distribution

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Hosts

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Biology

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Comments

Classification

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

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Male antenna with branched funicle.
Branches on funicle 2 and funicle 3 arising from near apex of segment.
Female antenna has a white tip.
The scape exceeds the level of vertex.
Propodeum is smooth without median carina, plicae or costulae.

Diagnosis

 
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Distribution

A very widely distributed Old World species, known from the Middle East; Afrotropical, Oriental and Australasian regions.
Recorded from: Australia; China; Ethiopia; Fiji; Ghana; Guam; Hawaii; India; Indonesia; Japan; Kenya; Malaysia; New Caledonia; New Zealand; Pakistan; Saudi Arabia; Senegal; Seychelles; Sri Lanka; Sudan; Taiwan; Tanzania; Vanuatu (Noyes, 2002; 2003).
It has been used in greenhouses in Japan and Spain (Noyes, 2002; 2003).


Hosts

This is a polyphagous species that attacks a wide range of agromyzid flies. Recorded hosts include: Agromyza sp., Chromatomyia horticola; Liriomyza bryoniae; Liriomyza huidobrensis; Liriomyza pusilla; Liriomyza sativae; Liriomyza trifolii; Liriomyza sp.; Ophiomyia phaseoli; Ophiomyia sp.; Pseudonapomyza spicata.

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Biology

Hemiptarsenus varicornis is a primary, solitary, larval ectoparasitoid. The paper by Kumar et al., 1998, which describes this species as an endoparasitoid, is erroneous and must be referring to a different species (probably an entedonine eulophid).


Comments

This is one of the most common Liriomyza parasitoids in the Australasian region.

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