| Authors(s) | Semyanov, V.P. and R.W. Olszak |
| Year | 1996 |
| Title | Lady beetles (Coleoptera, Coccinellidae) of Leningrad region orchards (fauna, biology and their role in pest population dynamics). In: F. Polesny and W. Muller (eds), International conference on integrated fruit production, at Cedzyna, Poland, 28 August-2 September 1995. Bulletin-OILB-SROP 19: 208-211. |