Results 201 to 210 of about 18,082 (250)
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1993
Tsetse flies belong to the genus Glossina, which are a unique group of insects in terms of appearance, life cycle, distribution and medical importance. There are some 23 species of tsetse, found only on the continent of Africa, south of the Sahara desert.
N. R. H. Burgess, G. O. Cowan
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Tsetse flies belong to the genus Glossina, which are a unique group of insects in terms of appearance, life cycle, distribution and medical importance. There are some 23 species of tsetse, found only on the continent of Africa, south of the Sahara desert.
N. R. H. Burgess, G. O. Cowan
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Interactions between trypanosomes and tsetse flies
Current Opinion in Microbiology, 2008African trypanosomes are insect-borne parasites that cause sleeping sickness in humans and nagana in domesticated animals. Successful transmission is the outcome of crosstalk between the trypanosome and its insect vector, the tsetse fly. This enables the parasite to undergo successive rounds of differentiation, proliferation and migration, culminating ...
Isabel, Roditi, Michael J, Lehane
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Biological Reviews, 1949
Summary1. The reproductive cycle of tsetse flies occupies a minimum of 55 or 56 days at 23o, made up of 12 days' ovarian development of the first egg (always in the right ovary), 3 or 4 days' embryonic development, 7 days' larval growth in utero, and 33 days as a pupa underground; the male pupal period is longer by about 6%.
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Summary1. The reproductive cycle of tsetse flies occupies a minimum of 55 or 56 days at 23o, made up of 12 days' ovarian development of the first egg (always in the right ovary), 3 or 4 days' embryonic development, 7 days' larval growth in utero, and 33 days as a pupa underground; the male pupal period is longer by about 6%.
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1993
The Glossinidae, or tsetse-flies, form a monogeneric family of the Diptera. The adults range in length from 6 to 14 mm and in all the 23 known species are various shades of brown — ranging from light yellowish brown to dark blackish brown. In some species the abdomen has alternate darker and lighter bands. Female flies give birth, at intervals of about
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The Glossinidae, or tsetse-flies, form a monogeneric family of the Diptera. The adults range in length from 6 to 14 mm and in all the 23 known species are various shades of brown — ranging from light yellowish brown to dark blackish brown. In some species the abdomen has alternate darker and lighter bands. Female flies give birth, at intervals of about
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African Affairs, 1938
C. F. M. SWYNNERTON, C.M.G. Director of Tsetse Research, Tanganyika Territory. Reviewed by PROF. P. A. BUXTON London School of Hygiene and Tropical Medicine. THE presence of tsetse-flies (species of Glossina) and their exact distribution is of vast importance to Africa south of the Sahara, for where they occur there can be no domestic animals, ploughs,
C. F. M. SWYNNERTON, P. A. BUXTON
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C. F. M. SWYNNERTON, C.M.G. Director of Tsetse Research, Tanganyika Territory. Reviewed by PROF. P. A. BUXTON London School of Hygiene and Tropical Medicine. THE presence of tsetse-flies (species of Glossina) and their exact distribution is of vast importance to Africa south of the Sahara, for where they occur there can be no domestic animals, ploughs,
C. F. M. SWYNNERTON, P. A. BUXTON
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The flight performance of tsetse flies
Journal of Insect Physiology, 1975Abstract The four species of tsetse used are shown to be aerodynamically rather similar. The wingbeat frequency, aerodynamic lift, flight duration, and number of wingbeats per flight are seen to undergo large increases during adult maturation. Tsetse can produce unusually large aerodynamic lifts, although the flight performance declines very quickly ...
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Bulletin of Entomological Research, 1933
1. More than twenty new forms and variations of tsetse traps are described in this paper for trial, and rejection or improvement, by other investigators. The species of tsetse-flies that they have been tested against have been palpalis, pallidipes, morsitans and swynnertoni.2. The reactions of the various tsetse-flies to different forms of trap vary in
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1. More than twenty new forms and variations of tsetse traps are described in this paper for trial, and rejection or improvement, by other investigators. The species of tsetse-flies that they have been tested against have been palpalis, pallidipes, morsitans and swynnertoni.2. The reactions of the various tsetse-flies to different forms of trap vary in
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