Posted by John Carr on 23-02-2020 21:44
#18
Zeegers wrote:
All Istochaeta are parasitoids of Melolonthinae, Rhizotrogus, Amphimallon and so on.
Outside of Europe, some other scarab beetles are parasitized. In America we have
I. aldrichi imported from Japan to attack the "Japanese Beetle"
Popillia japonica.