Eurasimona stigma (Löw, 1840)

on Asteraceae, Anthemideae

gall

The receptacle is hardened and enlarged upwards into an an acute cone. Inside a single white larva, or a puparium; the gall is vacated through a round hole in the tip. The gall resembles that of Tephritis nigricauda but is larger, causing the galled flower heads to extend above the inflorescence.

hostplants

Asteraceae, monophagous

Achillea millefolium, nobilis.

Older references to Anthemis, Leucanthenum, and Tanacetum have not been confirmed.

synonyms

Euribia, Uropohora stigma.

references

Buhr (1964b), Dauphin & Aniotsbehere (1997a), Houard (1909a), Niblett (1940a), Tóth (1969a), White & Korneyev (1998a).

mod 25.vii.2018