Sarkisov, R.N., Mkrtchyan, L.P., & Khechoyan, L.S. 1981 [Parthenogenesis of the Ararat cochineal insect.]. Biologicheskii Zhurnal Armenii 34: 46-49.

Notes: [Summary also in Armenian]. In virgin females of Porphyrophora hamelii the growth and development of oocytes, maturation and egg laying are delayed. The fecundity of the females is decreased up to 66.5%. Embryonic development is observed in 12.9% of unfertilized eggs.