Hostname: page-component-586b7cd67f-gb8f7 Total loading time: 0 Render date: 2024-11-27T18:37:49.631Z Has data issue: false hasContentIssue false

Circadian flight activity of Simulium spp. (Diptera: Simuliidae) sampled with a vehicle-mounted net in central Nigeria

Published online by Cambridge University Press:  10 July 2009

D. M. Roberts
Affiliation:
Department of Zoology, University of Jos, P.M.B. 2084, Jos, Nigeria
R. J. Irving-Bell
Affiliation:
Department of Zoology, University of Jos, P.M.B. 2084, Jos, Nigeria

Abstract

A vehicle-mounted net was used to study the circadian flight activity of several species of Simulium in a northern Guinea savanna area in Nigeria during the dry season. The sampling method yielded large numbers of both sexes of Simulium squamosum (Endertein) of the, S. damnosum Theobald complex, S. hargreavesi Gibbins, S. vorax Pomeroy, S. adersi Pomeroy, S. hirsutum Pomeroy and other species. The main peak of activity of all species recorded occurred just after sunset and there was a smaller peak just before sunrise. Flies continued to be caught at a low level 2·5 h after sunset when sampling ceased. Differences in the activity patterns of S. squamosum males and females and of the other species were analysed. Of the S. squamosum females caught, 12% were blood-fed; these and gravid females were mainly active in the evening, while the blood-thirsty flies had a high level of activity throughout the day. Differences between species in the relative activity of blood-thirsty and gravid flies, and nulliparous and parous flies are noted.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1985

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Bellec, C. & Hebrard, G. (1977). Captures d'adultes de Simuliidae, en particulier de Simulium damnosum Theobald 1903, á l'aide de pièges d'interception: les pièges-vitres.—Cah. ORSTOM, Sér. Entomol. méd. Parasitol. 15, 4154.Google Scholar
Crosskey, R. W. (1955). Observations on the bionomics of adult Simulium damnosum Theobald (Diptera, Simuliidae) in northern Nigeria.—Ann. trop. Med. Parasit. 49, 142153.CrossRefGoogle Scholar
Crosskey, R. W. (1958). The body weight in unfed Simulium damnosum Theobald, and its relation to the time of biting, the fat-body and age.—Ann. trop. Med. Parasit. 52, 149157.CrossRefGoogle Scholar
Dang, P. T. & Peterson, B. V. (1980). Pictorial keys to the main species and species groups within the Simulium damnosum Theobald complex occurring in West Africa (Diptera: Simuliidae).—Tropenmed. & Parasitol. 31, 117120.Google Scholar
Datta, M. & Dasgupta, B. (1974). Studies on the nocturnal periodicity of six species of black flies (Diptera: Simuliidae) at Darjeeling, West Bengal.—Proc. Indian Acad. Sci. 79, 147153.CrossRefGoogle Scholar
Davies, J. B., Sékételi, A., Walsh, J. F., Barro, T. & Sawadogo, R. (1981). Studies on biting Simulium damnosum s.l. at a breeding site in the Onchocerciasis Control Programme area during and after an interruption of insecticidal treatments.—Tropenmed. & Parasitol. 32, 1724.Google Scholar
Davies, L. & Roberts, D. M. (1973). A net and a catch-segregating apparatus mounted in a motor vehicle for field studies on flight activity of Simuliidae and other insects.—Bull. ent. Res. 63, 103112.CrossRefGoogle Scholar
Davies, L. & Williams, C. B. (1962). Studies on black flies (Diptera: Simuliidae) taken in a light trap in Scotland. I. Seasonal distribution, sex ratio and internal condition of catches.—Trans. R. ent. Soc. Lond. 114, 120.Google Scholar
Disney, R. H. L. (1972). Observations on chicken-biting blackflies in Cameroon with a discussion of parous rates of Simulium damnosum.—Ann. trop. Med. Parasit. 66, 149158.CrossRefGoogle ScholarPubMed
Duke, B. O. L. (1968). Studies on factors influencing the transmission of onchocerciasis. IV.—The biting-cycles, infective biting density and transmission potential of ‘forest‘ Simulium damnosum.—Ann. trop. Med. Parasit. 62, 95106.CrossRefGoogle Scholar
Duke, B. O. L., Scheffel, P. D., Guyon, J. & Moore, P. J. (1967). The concentration of Onchocerca volvulus microfilariae in skin snips taken over twenty-four hours.—Ann. trop. Med. Parasit. 61, 206219.CrossRefGoogle ScholarPubMed
El Bashir, S., El Jack, M.H. & El Hadi, H. M. (1976). The diurnal activity of the chicken-biting black fly, Simulium griseicolle Becker (Diptera, Simuliidae) in northern Sudan.—Bull. ent. Res. 66, 481487.CrossRefGoogle Scholar
Freeman, P. & De Meillon, B. (1953). Simuliidae of the Ethiopian Region224 pp London, British Museum (Natural History).Google Scholar
Garms, R. (1973). Quantitative studies on the transmission of Onchocerca volvulus by Simulium damnosum in the Bong Range, Liberia.—Z. Tropenmed. Parasit. 24, 358372.Google ScholarPubMed
Garms, R. & Kerner, M. (1982). Anthropophily of Simulium damnosum s.l. and its rôle as a vector of human onchocerciasis in the Yemen Arab Republic.—Tropenmed. & Parasitol. 33, 175180.Google ScholarPubMed
Giudicelli, J. (1966). Récoltes de simulies en Côte d'Ivoire. Étude de l'activité diurne des femelles de Simulium damnosum Theobald.—Annls Soc. ent. Fr. (N.S.) 2, 325342.Google Scholar
Johnson, C. G., Crosskey, R. W. & Davies, J. B. (1982). Species composition and cyclical changes in numbers of savanna blackflies (Diptera: Simuliidae) caught by suction traps in the Onchocerciasis Control Programme area of West Africa.—Bull. ent. Res. 72, 3963.CrossRefGoogle Scholar
Lamontellerie, M. (1967). Captures de diptéres Simuliidae de nuit en zone de savane séche.Bull. Inst. Fond. Afr. Noire (A) 29, 18121832.Google Scholar
Le Berre, R. (1966). Contribution á l'étude biologique et écologique de Simulium damnosum Theobald, 1903 (Diptera, Simuliidae).—Mém. ORSTOM no. 17, 204 pp.Google Scholar
Lewis, D. J., Lyons, G. R. L. & Marr, J. D. M. (1961). Observations on Simulium damnosum from the Red Volta in Ghana.—Ann. trop. Med. Parasit. 55, 202210.CrossRefGoogle ScholarPubMed
Quillévéré, D., Pendriez, B., Sechan, Y. & Philippon, B. (1977). Étude du complexe Simulium damnosum en Afrique de l'ouest. VII. Étude de la bioécologie et du pouvoir vecteur des femelles de S. sanctipauli, S. soubrense et S. yahense en Côte d'Ivoire.—Cah. ORSTOM, Sér. Entomol. méd. Parasitol. 15, 301329.Google Scholar
Service, M. W. (1977). Methods for sampling adult Simuliidae, with special reference to the Simulium damnosum complex.—Trop. Pest Bull., no. 5, 48 pp.Google Scholar
Service, M. W. (1979). Light trap collections of ovipositing Simulium squamosum in Ghana.—Ann. Trop. Med. Parasit. 73, 487490.CrossRefGoogle ScholarPubMed
Walsh, J. F. (1978). Light trap studies on Simulium damnosum s.l. in northern Ghana.—Tropenmed. & Parasitol. 29, 492496.Google ScholarPubMed
Wanson, M. & Lebied, B. (1948). Note sur le cycle gonotrophique de Simulium damnosum.—Revue Zool. Bot. afr. 41, 6682.Google Scholar
Wenk, P. (1981). Bionomics of adult blackflies.—pp. 259279in Laird, M. (Ed.). Blackflies: the future for biological methods in integrated control.—399 pp. London, Academic Press.Google Scholar
Williams, C. B. (1965). Black-flies (Diptera: Simuliidae) in a suction-trap in the central highlands of Scotland.—Proc. R. ent. Soc. Lond. (A) 40, 9295.Google Scholar