Grigorov, S. 1964 A contribution to the Bulgarian entomofauna.. Zashchita Rastenii. Leningrad 12: 28-33.
Notes: New hosts of Phenacoccus aceris; Heterococcus tritici new for Bulgaria.
Grigorov, S. 1964 A contribution to the Bulgarian entomofauna.. Zashchita Rastenii. Leningrad 12: 28-33.
Notes: New hosts of Phenacoccus aceris; Heterococcus tritici new for Bulgaria.