. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 43 of the innumerable small fish, l)ut were occasionally observed in small, isolated pools on the mud, and were still more common in small pools at the edges of swamps. It is a noteworth}^ fact that they did not occur in swamp pools in such numbers as in the streams and rock pools among- the hills of Sierra Leone. ''These rock pools would appear to be the most suitable conditions for the breeding- of ; The avidity with which Anopheles larvte under observation in Washing-ton fed upon algie spores of


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 43 of the innumerable small fish, l)ut were occasionally observed in small, isolated pools on the mud, and were still more common in small pools at the edges of swamps. It is a noteworth}^ fact that they did not occur in swamp pools in such numbers as in the streams and rock pools among- the hills of Sierra Leone. ''These rock pools would appear to be the most suitable conditions for the breeding- of ; The avidity with which Anopheles larvte under observation in Washing-ton fed upon algie spores of the genera previously mentioned, and the character of the breeding pools found here, indicate that with- out doubt suuilar conditions will prevail generally in this country, and Anopheles will always be found to breed most abundantly in fairly permanent stagnant pools of water uninhabited by fish, but more or less covered with green scum. OTHER SPECIES OF ANOPHELES. As appears from the synoptic table on previous pages, we havv^ in the United States, so far as ascertained, three recognized species of. Fig. 38.—Anopheles punctipennis: Female, with male antenna at right, and wing tip showing venation at left—enlarged (original). this genus. A. quadrimaculatxis has just been figured in all its stages, and the accompanying illustration (fig. 18) shows very well the beautiful. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology. Washington : G. P. O.


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