SEX RATIOS OF SOME HIGH ARCTIC CHIRONOMIDAE (DIPTERA)
- 1 September 1972
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 104 (9) , 1413-1417
- https://doi.org/10.4039/ent1041413-9
Abstract
The sex ratios at emergence of some Chironomidae from ponds in the Hazen Camp area (81°49′ N., 71°18′ W.) are given from trap records for a number of seasons. In Tanypodinae and Chironomini there are apparently about equal numbers of the sexes; in Tanytarsini and most Orthocladiinae females consistently outnumber males, often forming 60% or more of the total emergence. These findings are discussed: the presence of facultative parthenogenesis in some species is thought to be likely.Keywords
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