Substrate colonization and relative abundance of immature forms of black flies (Diptera: Simuliidae) in river Mada, Nasarawa State Nigeria
Substrate colonization and relative abundance of immature forms of black flies (Diptera: Simuliidae) in river Mada, Nasarawa State Nigeria作者机构：Department of Biological Sciences Nasarawa State University Keffi Nigeria Department of Zoology University of Jos Jos Nigeria Epidemiology and Control Division Onchocerciasis Research Department Nigerian Institute for Trypanosomiasis Research (NITR) Vom Nigeria
出 版 物：《Advances in Entomology》 (昆虫学（英文）)
年 卷 期：2013年第1卷第2期
页 面：24-28页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
主 题：Black Flies Colonization Immature Forms Mada River Relative Abundance Substrates
摘 要：Black flies, vectors of Onchocercavolvulus, are known to colonize fast flowing sections of rivers.A study on aspects of ecology of immature forms of black flies was conducted at River Mada. Larvae and Pupae of the Genus: Simulium were prospected on natural substrates found at various water currents along the course of the river over a 12-month period. Larvae of six speciesand pupae of three species were identified colonizing different substrates in the river. A total of 443 larvae and 142 pupae were collected, and thepeak month of collection was April. 405 (91.4%) larvae were identified as *** sl while 38 (8.6%) comprised S. adersi, ***, ***, S. bovisand ***. 110 (77.5%) of the pupae collected were *** while 32 (22.5%) were ***, and ***. The larvae unlike pupae appeared to be non discriminatory in substrate colonization and current preference. Paucity of the population of immature forms is observed and attributed primarily to scarcity of suitable substrates and other factors also discussed herein.
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