| Autor: |
Boldyrev, M. I., Wilde, W. H. A., Smith, B. C. |
| Zdroj: |
The Canadian Entomologist; November 1969, Vol. 101 Issue: 11 p1199-1206, 8p |
| Abstrakt: |
AbstractIn laboratory experiments at Belleville and Guelph, Ont., four species of coccinellids, Cycloneda munda(Say), Adalia bipunctata(L.), Coccinella transversoguttata richardsoniBrown, and Coleomegilla maculata lengiTimberlake, revealed strong attractances to Juniperus virginianaL. (juniper) for oviposition. This attractancy was due to the specific odour of Juniperuswood. Egg laying rates were not affected by distances up to 70 cm in laboratory cages in a greenhouse where temperatures ranged from 24.0° to 29.5 °C. This phenomenon may be used to aggregate ovipositing coccinellid females in places where aphids are expected to occur in damaging numbers. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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