Contarinia humuli (Theobald, 1909)

hop string midge

on Humulus

parasite

Up to 50 larvae live in and around the central axis of the inflorescence, the becomes malformed and remains small, Pupation in the ground in a semi-transparant cocoon.

host plants

Cannabaceae, monophagous

Humulus lupulus.

distribution within Europe

PESI (2021).

larva

Great Britain, Rothamsted, 17.ix.1925, ex coll. Barnes © Hans Roskam: spatula

anal segment

references

Barnes (1949a), Skuhravá & Skuhravý (2021a: 135) .