Ophiomyia spenceri Černý, 1985

on Achillea, Centaurea

parasite

The larva makes an inconspicuous gallery mine in th bark of the stem, slightly darker dan the stem itself. The gallery descends to about ground level, ending in a leaf axil where pupation takes place.

hostplants

Asteraceae, oligophagous

Achillea millefolium; Centaurea jacea.

distribution within Europe

(PESI, 2018).

puparium

Black with a blue metallic shine. Rear spiracula with 5-10 papillae.

Ophiomyia spenceri: pupariumOphiomyia spenceri: puparium

Two images of the posterior spiracula (from Černý, 1985a)

references

Černý (1985a), Pakalniškis (1994a, 1998c), Papp & Černý (2015a).

mod 15.iii.2018