Parasitization in Petrova resinella (Lepidoptera, Tortricidae) galls in relation to industrial air pollutants.

Heliövaara, Kari; Väisänen, Rauno

Full text of this article is only available in PDF format.

Silva Fennica vol. 20 no. 3 article id 5276 | 1986 | Article

Kari Heliövaara , Rauno Väisänen

Parasitization in Petrova resinella (Lepidoptera, Tortricidae) galls in relation to industrial air pollutants.

Heliövaara K., Väisänen R. (1986). Parasitization in Petrova resinella (Lepidoptera, Tortricidae) galls in relation to industrial air pollutants. Silva Fennica vol. 20 no. 3 article id 5276. https://doi.org/10.14214/sf.a15455

Abstract

Paratization of Petrova resinella L. in the gall stage was studied in the surrounding of Harjavalta, south-western Finland, in relation to industrial air pollution. Of the studied 283 galls, 28% produced a moth, 52% of the larvae/pupae were paratisized, and 20% were empty or contained a dead larva. The proportion of paratisized galls did not depend on the distance from emission sources of industrial air pollutants.

The PDF includes an abstract in Finnish.

Keywords
Pinus sylvestris; Scots pine; insect damages; air pollution; Petrova resinella; gall stage; parasites

Published in 1986

Available at https://doi.org/10.14214/sf.a15455 | Download PDF

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