New hybrids of the Shinese silkworm, Bombyx mori L. (Lepidoptera: Bombycidae) for industrial spring-time cultures

von N. Petkov, J. Nacheva, P. Tsenov, V. A. Golovko, M. E. Braslaslavskij, A. Z. Zlotin

Phenotype parameters for selection of lines of the Chinese silkworm, Bombyx mori L. (Lepidoptera: Lymantriidae), based on movement characteristics of the caterpillar

von N. Petkov, J. Nacheva, P. Tsenov, A. Shabalina, V. A. Golovko, M. E. Braslavskij, A. Z. Zlotin

Study of some Bulgarian and Ukrainian hybrids of the Chinese silkworm, Bombyx mori L. (Lepidoptera: Lymantriidae) under the conditions of Egypt

von Kh. Grejs, N. Petkov, J. Nacheva, P. Tsenov, A. Z. Zlotin, O. V. Galanova, O. A. Shalamova