Flight periods of some birch timber insects.
Flight periods of insects breeding on birch ( sp.) timber were observed by means of window flight traps baited with freshly cut birch logs in five locations in Finland from 1972 to 1976. Only few species were caught during the study. In general, these species were on the wing during midsu...
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| Format: | Article |
| Language: | English |
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Finnish Society of Forest Science
1983-01-01
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| Series: | Silva Fennica |
| Online Access: | https://www.silvafennica.fi/article/5202 |