Studies of the sampling of Glossina pallidipes Aust. I.—The numbers caught daily on cattle, in Morris traps and on a fly-round

Autor:	I. M. Smith, B. D. Rennison
Rok vydání:	1961
Předmět:	Veterinary medicine education.field_of_study Ecology Insect Science Population General Medicine Glossina pallidipes Biology education Agronomy and Crop Science Population density
Zdroj:	Bulletin of Entomological Research. 52:165-182
ISSN:	1475-2670 0007-4853
DOI:	10.1017/s0007485300055334
Popis:	Two experiments in which G. pallidipes Aust. was caught on oxen, in Morris traps and on a fly-round in south-eastern Uganda are described.Fewer flies were caught in traps than on oxen, but the former took a higher proportion of females. The numbers in traps covered with natural-coloured hessian tended to be greater than in traps on which the hessian was painted black. A white ox attracted fewer flies than darker-coloured oxen, among which a red ox was the most attractive. Variations reflected in day and site effects indicated that the sexes were differentially affected by the factors controlling availability to the oxen and the traps. Fly-round data appeared to give an unsatisfactory estimate of the population density.The numbers caught by the various methods were, in general, not correlated and this casts doubt on the validity of fly-round or trap data as estimates of the number of G. pallidipes likely to attack cattle.
Databáze:	OpenAIRE
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