Blumberg, D. 1976 Adult diapause of Cybocephalus nigriceps nigriceps [Col.: Cybocephalidae].. Entomophaga 21(2): 131-139.

Notes: Summary/abstract in: French. Abstract: Studies effects of photoperiod & temperature on Cybocephalus nigriceps nigriceps, common predator of Parlatoria blanchardii, pest of date palm in Israel. Keywords: biological control.