Short-wingedness in the stonefly Diura nanseni (Kempny) (Plecoptera: Perlodidae)
- 1 January 1986
- journal article
- research article
- Published by Brill in Insect Systematics & Evolution
- Vol. 17 (2) , 153-156
- https://doi.org/10.1163/187631286x00332
Abstract
Short-wingedness in adult Diura nanseni is extremely rare and only three short-winged males have been previously recorded. In a population from the Norwegian Jotunheimen Mountains half the males were micropterous in 1976, although normal-winged in subsequent years. The features of this population are described. Several hypotheses, including low temperatures during egg development, are proposed to explain this isolated example of short-wingedness.Keywords
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