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The first three parts consist of short articles on Anopheles mosquitoes. Studies on the egg, larval, pupal and imaginal stages of Anopheles listeri place it in the turkhudi group. Eggs of A. coustani and A. coustani var. tenebrosus are figured and described. Actual distribution of A. gambiae and A. funestus in Natal does not coincide with the distribution that would be determined by climatic factors. Breeding of A. gambiae is restricted by dense growths of vegetation, usually cane. It is thought, therefore, that the droughts of 1928, 1930 and 1931 paved the way for the serious epidemic of malaria in 1931-1932 by reducing the amount of such vegetation. Physical features such as mountains do not favor the breeding of A. funestus, for in such localities the streams are being continually flushed. Part 4 is a list of South African Ceratopogonidae previously reported, and part 5 deals with new and unrecorded
Entomological Studies: Studies on Insects of Medical Importance in South Africa—Part III. JAMA. 1937;108(4):326. doi:10.1001/jama.1937.02780040076029