Abstract
Observation on 100 streams in Costa Rica over a two-year period indicated no strong correlations of either larval populations al biting adults with such stream factors as substrate, tcmperaturc, altitudc. water speed and turbulence, pollution of shade. Small differences and sorne reversals in the datasuggest only trends.
References
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Vargas V., M., B. V. Travis, A. Díaz Nájera, & F. Fallas B. 1977. Bionomics of black flies (Diptera: Simuliidae) in Costa Rica. VII. Genus Simulium subgenus Hearlea. Rev. Biol. Trop., 25: 137-149.
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Comments
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 1978 Revista de Biología Tropical
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