Delia coarctata (Fallén,1825)

wheat bulb fly

on grasses

Delia coarctata: cephalic skeleton

cephalic skeleton (from Dušek)

Delia coarctata: puparium

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).

mod 26.v.2018