Entomology, Department of

 

Document Type

Article

Date of this Version

6-1989

Citation

Environmental Entomology 18:3 (June 1989), pp. 433–437.

doi: 10.1093/ee/18.3.433

Comments

Copyright © 1989 Entomological Society of America; published by Oxford University Press. Used by permission.

Abstract

Colonization of Simulium bivittatum Malloch and S. luggeri Nicholson and Mickel on artificial substrates exposed for two consecutive time periods of 1, 2, or 4 d was contrasted with colonization after continuous exposures of 2, 4, or 8 d. Reduced colonization of early instars of both species during the second 4-d period was attributed to an aging population, whereas reductions in total black flies after 8 d seemed to be caused by substrate changes. Numbers of pupae increased as exposure time increased.

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