Chlorops strigulus (Fabricius, 1794)

on Brachypodium

Chlorops strigulus gall

Brachypodium sylvaticum, Belgium, prov. Namur, Andenne, carrière du Bois de Tiarmont © Jean Yves Baugnée

Chlorops strigulus fly

the gall causer, reared male

cf Chlorops strigulus: vacated gall on Brachypodium sylvaticum

Brachypodium sylvaticum, France, dép Sarthe, Vancé © Sébastien Carbonnelle. Probably this vacated gall was equally caused by some Chlorops.

hostplants

Poaceae, monophagous (?)

Brachypodium pinnatum, retusum, sylvaticum.

synonyms

Chlorops cingulata Meigen, 1830.

note

Galls of this type generally are referred to Chlorops pumilionis, but in fact a number of species are involved, that can only be identified on the basis of reared material. C. strigulus is characterised by the large frontal triangle, far drawn out anteriorly and with deep grooves at either side, and by the white arista (JY Baugnée).

references

Spooner & Bowdrey (2012a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Nartshuk (2006a).

mod 29.vii.2018