Delia coarctata (Fallén,1825)

wheat bulb fly

on grasses

cephalic skeleton (from Dušek)

puparium

parasite

Oviposition in the soil. The larvae bore in the culm of grasses; one larva can destroy several culms. Pupation and hibernation in the soil.

hostplants

Poaceae, oligofaag

Dactylis; Elymus; Hordeum; Lolium; Ochlopoa annua; Phleum; Secale cereale; Triticum aestivum.

distribution within Europe

(PESI, 2018).

egg, larva, puparium

all stages are described and illustrated by Dušek.

synonyms

Phorbia coarctata.

references

Buhr (1964b, 1965a), Dušek (1969a), Wetzel, Skuhravý, Camprag, ao (1984a).