Isocolus ponticus Dyakonchuk, 1982

Hymenoptera, Cynipidae

on Centaurea

gall

galls in the capitula, between the achenes. Generally, the capitulum does not show the infection. However, sometimes the number of gall can be so high that a hard, lignified lump is formed, and the capitulum is clearly disfigured.

hostplants

Asteraceae, monophagous

Centaurea scabiosa subsp. adpressa, solstitialis.

references

Melika (2006a).

08/12/2014