Sarkisov, R.N., Sevumian, A.A., Sarkisian, S.M., & Mkrtchyan, L.P. 1974 [Sex ratio of the Ararat cochineal (Porphyrophora hamelii B).]. Biologicheskii Zhurnal Armenii 27: 84-85.
Notes: Almost 1:1; number of females slightly higher.
Sarkisov, R.N., Sevumian, A.A., Sarkisian, S.M., & Mkrtchyan, L.P. 1974 [Sex ratio of the Ararat cochineal (Porphyrophora hamelii B).]. Biologicheskii Zhurnal Armenii 27: 84-85.
Notes: Almost 1:1; number of females slightly higher.