A Comparative Study of Rodent and Burrow Flea Populations

Autor:	M. A. Stewart, F. C. Evans
Rok vydání:	1941
Předmět:	Flea Rodent biology Ecology animal diseases biology.animal fungi parasitic diseases Disease prevention bacterial infections and mycoses musculoskeletal system Burrow General Biochemistry Genetics and Molecular Biology
Zdroj:	Experimental Biology and Medicine. 47:140-142
ISSN:	1535-3699 1535-3702
DOI:	10.3181/00379727-47-13066p
Popis:	An area located at Calaveras Dam, Alameda County, California, previously determined to be heavily populated with ground squirrels [Citellus beecheyi (Richardson)], was selected for field study of (1) the correlation between flea populations existing at squirrel burrow openings and of flea populations on the rodent hosts, and of (2) the seasonal species composition of these populations. One portion of this area was set aside for the study of the fleas at the openings of the burrows, and a contiguous and ecologically similar portion was utilized for the study of fleas taken directly from their hosts.Fleas at the burrow openings were collected from pieces of cotton batting placed in each burrow mouth. Thirty burrows were set aside for these studies, divided into 3 groups of 10 burrows each and approximately equally distributed as to direction of exposure, amount of exposure, surrounding cover crop and topography. Collections were made at approximately weekly intervals from April 29, 1940, to October 23, 1940...
Databáze:	OpenAIRE
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