Isocolus ruthenicae (Dyakonchuk, 1983)

Hymenoptera, Cynipidae

on Rhaponticoides

gall

eight to ten unilocular galls in a cluster of 3-3.5 cm in a swollen and disfigured capitulum. The galls are lignified, thick-walled, brown.

hostplants

Asteraceae, monophagous

Rhaponticoides ruthenica (= Centaurea r.).

synonyms

Aylax ruthenicae.

references

Melika (2006a).

22/11/2014