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Life cycle characteristics in Tanytarsus sylvaticus (van der Wulp,1859) (Chironomidae, Diptera)

Published online by Cambridge University Press:  15 August 2009

B. R. Goddeeris
B. R. Goddeeris*
Affiliation:
B.R. Goddeeris, Koninklijk Belgisch Instituut voor Natuurwetenschappen, Zoetwaterbiologie, Vautierstraat 29, B-1040 Brussel, Belgium
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Abstract

The life cycle of Tanytarsus sylvaticus (van der Wulp, 1859) has been analysed in two quite different sites in Belgium (Mirwart, Ardennes and Diksmuide, West-Flanders). T. sylvaticus is strictly univoltine ; its single emergence period occurs in early spring. A summer diapause in the 3rd instar is typical of this species. The synchronization of the emergence period, however, seems to depend, on a second diapause, this time in the 4th instar, during winter.

Keywords

Chironomidaelife cyclediapauseimaginal discsChironomidaecycle de viediapausedisques imaginaux
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 26 , Issue 1 , 1990 , pp. 51 - 64
Copyright
© Masson, 1990

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