Flight Patterns of the Simulium vittatum (Diptera: Simuliidae) Complex over a Stream 1
- 1 February 1983
- journal article
- research article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 12 (1) , 232-236
- https://doi.org/10.1093/ee/12.1.232
Abstract
Flight patterns of the Simulium vittatum complex (IIIL-1 and IS-7 sibling species) over a central Pennsylvania stream were studied with the aid of an adhesive trap (1.2 by 2.1 m), a Malaise trap, and naturally occurring spider webs. The combined use of the adhesive trap and Malaise trap provided the greatest capture efficiency. Females showed predominant (78.2%) upstream flight. One quarter of the females captured by the adhesive trap were within 7.5 cm above the water. Males were concentrated near the water and near the top of the adhesive trap. Spider webs captured more females near the surface of the water but more males higher above the water. Female S. vittatum (IIIL-1 sibling) had a 41.2% probability of escape from spider webs once captured, whereas males of this species had only a 19.4% escape probability.This publication has 1 reference indexed in Scilit:
- Oviposition behaviour, egg-masses and hatching response of the eggs of five Nearctic species of Simulium (Diptera: Simuliidae)Bulletin of Entomological Research, 1979