Immatures of Rheocricotopus (Psilocricotopus) valgus Chaudhuri & Sinharay of Darjeeling Himalaya with notes on ecology (Diptera : Chironomidae)

The immatures (larva and pupa) of Rheocricotopus (Psilocricotopus) valgus Chaudhuri & Sinharay are described for the first time. The species belongs to chalybeatus group. The larva is opportunistic, present in the fast-flowing streams to slow-flowing organically enriched sewage drains. It lives...

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Veröffentlicht in:	Annales de limnologie 1998-01, Vol.34 (1), p.75-82
Hauptverfasser:	HAZRA, N, SOM, D. K, CHAUDHURI, P. K
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Animals Biological and medical sciences Demecology Fundamental and applied biological sciences. Psychology Protozoa. Invertebrata
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The immatures (larva and pupa) of Rheocricotopus (Psilocricotopus) valgus Chaudhuri & Sinharay are described for the first time. The species belongs to chalybeatus group. The larva is opportunistic, present in the fast-flowing streams to slow-flowing organically enriched sewage drains. It lives in tunnels made of various particles glued together by silky secretions. There are two generations a year with peak emergence in April-May and September-November. The sex ratio of females to males is 2:1.
ISSN:	0003-4088 2100-000X
DOI:	10.1051/limn/1998008