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Population dynamics of Glossina morsitans submorsitans Newstead and G. tachinoides Westwood (Diptera: Glossinidae) in sub-Sudan savanna in northern Nigeria. I. Sampling methodology for adults and seasonal changes in numbers caught in different vegetation types

  • R. D. Dransfield (a1), R. Brightwell (a1), J. Onah (a1) and C. J. Okolo (a1)
Abstract
Abstract

An investigation was carried out into the use of water traps for sampling Glossina morsitans submorsitans Newst. and G. tachinoides Westw. in Yankari Game Reserve in sub-Sudan savanna in northern Nigeria. The traps consisted of coloured trays filled with water plus small quantities of formalin and detergent. Colour was thought to be the major factor attracting flies to the traps, white traps being most effective for G. m. submorsitans and black ones for G. tachinoides. Water traps were compared with biconical traps, and both methods showed similar changes in catches in different vegetation types over a year. Males and females of both species showed a marked expansion in distribution in the rains and a contraction to riverine woodland in the dry season, though females of G. m. submorsitans could be caught in the adverse deciduous woodland and open savanna all year round. Water traps are considered a very cheap and practicable sampling method for ecological studies on these species of Glossina, providing specimens well preserved upon capture for later morphometric and analytical studies.

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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

J. P. Glasgow (1967). Recent fundamental work on tsetse flies.—A. Rev. Ent. 12, 421438.

A. M. Jordan , F. Lee-Jones & B. Weitz (1962). The natural hosts of tsetse flies in northern Nigeria.—Ann. trop. Med. Parasit. 56, 430442.

R. D. Peterson II & H. J. Meyer (1978). Trapping technique for male face flies.—J. econ. Ent. 71, 4042.

D. Rogers (1979). Tsetse population dynamics and distribution: a new analytical approach.—J. Anim. Ecol. 48, 825849.

D. W. Tarry (1967 a). Observations on the ecology of Glossina morsitans submorsitans Newst. in the Guinea-Sudan transition savanna of northern Nigeria.—Ann. trop. Med. Parasit. 61, 457464.

D. W. Tarry (1967 b). Control of Glossina morsitans submorsitans Newst. in Northern Nigeria by riverine spraying with motorized sprayers.—Ann. trop. Med. Parasit. 61, 465471.

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Bulletin of Entomological Research
  • ISSN: 0007-4853
  • EISSN: 1475-2670
  • URL: /core/journals/bulletin-of-entomological-research
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