Borchsenius, N.S. 1941a [New pest of mulberry - the Central Asiatic cochineal Heliococcus destructor Borchs. From the Republic of Middle Asia.]. Guidebook for Plant Quarantine (Sprav. Vopr. Karantina Ratenii) 1: 6-7.
Borchsenius, N.S. 1941a [New pest of mulberry - the Central Asiatic cochineal Heliococcus destructor Borchs. From the Republic of Middle Asia.]. Guidebook for Plant Quarantine (Sprav. Vopr. Karantina Ratenii) 1: 6-7.