THE LARVAL INSTARS OF THE BLACK FLIES STEGOPTERNA MUTATA AND SIMULIUM VITTATUM (DIPTERA: SIMULIIDAE)
- 1 June 1979
- journal article
- research article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 111 (6) , 693-697
- https://doi.org/10.4039/ent111693-6
Abstract
The six larval instars of Stegopterna mutata (Malloch) and seven larval instars of Simulium vittatum Zetterstedt can be definitively separated by differences in postgenal length, body length, and number of primary cephalic fan rays. Counts of the number of rows of hooks and hooks/row in the anal circlet were inconclusive in separating all instars of either species.This publication has 16 references indexed in Scilit:
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