Larinus obtusus Gyllenhal, 1835

knapweed seedhead weevil, blunt knapweed flower weevil

on Centaurea, Cyanus

parasite

The larvae live in the flower head, feeding on the developing fruits; pupation in the flower head, in a cocoon.

host plants

Asteraceae, narrowly oligop[agous

Centaurea jacea & subsp. angustifolia, leucophaea, nigra, nigrescens, phrygia, solstitialis, stoebe, thuilleri; Cyanus montanus.

References to Carduus, Cirsium are probably incorrect.

distribution within Europe

(PESI, 2019).

larva

See Gosik & Skuhrovec.

references

Cmoluch & Łętowski (1987a), Dieckmann (1983a), Gosik & Skuhrovec (2011a), Gültekin & Anderson (2017a), Hoebeke & Spichiger (2016a), Kofler (2014a), Rheinheimer & Hassler (2010a), Sanz Benito, García-Ocejo Izquierdo & de los Mozos Pascua (1996a), Skuhrovec & Gosik (2011a).

mod 31.v.2019