PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND
Gall-forming midges on Douglas fir
*NOT PRESENT IN NEW ZEALAND*
- Gall-forming midges in Europe affecting Douglas-fir needles
From Forest Health News - Issue 265 - March/April 2016. Legless larvae hatch from eggs laid into partially opened buds, then bore directly into the needle. Full-grown larvae overwinter in the…
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