Omphalapion hookerorum (Kirby, 1808)

on Tripleurospermum, etc.

gall

Several white, legless, crooked larvae or pupae in the flower head, either in the receptacle or between the achenes.

host plants

Asteraceae, oligophagous

Anthemis cotula; Matricaria chamomilla, discoidea; Tripleurospermum inodorum.

larva

See Urban.

synonyms

“Apion, Omphalapion, hookeri”.

notes

used in Canada for the biological control of the introduced weed scentless chamomile.

references

Buhr (1964a), Delbol (2013a), Dieckmann (1977a), Ehret (1990a), McClay & De Clerck-Floate (1999a), Redfern & Shirley (2011a), Rheinheimer & Hassler (2010a), Urban (1914a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).