Ceratapion penetrans (Germar, 1917)
on Centaurea
gall
de larvae tunnel in the root crown; there also is the pupation.
host plants
Asteraceae, narrowly oligophagous
Centaurea decipiens, diffusa, jacea, nigra, pectinata, scabiosa, stoebe; Cyanus segetum.
notes
There has been a supposition that the larvae would live in the receptacle; this has not been substantiated.
references
Balciunas & Korotyaev (2007a), Buhr (1964a), Delbol (2013a), Dieckmann (1977a), Ehret (1989a, 1990a), Rheinheimer & Hassler (2010a), Wanat (1998a).