. Annual report. New York State Museum; Science; Science. FLIES AND OTHER HOUSEHOLD INSECTS 17 Species^ which appear to be most abundant. It is very difficult to keep these insects out of houses on account of their small size. Dr Howard has listed these forms as likely to be disease carriers. These little insects rarely enter the house unless attracted by overripe or canned fruit. The latter should be hermetically sealed, making it safe from injury, and stored in the cellar or other place comparatively inaccessible to the flies, as soon as convenient. These small flies can easily be destroyed
. Annual report. New York State Museum; Science; Science. FLIES AND OTHER HOUSEHOLD INSECTS 17 Species^ which appear to be most abundant. It is very difficult to keep these insects out of houses on account of their small size. Dr Howard has listed these forms as likely to be disease carriers. These little insects rarely enter the house unless attracted by overripe or canned fruit. The latter should be hermetically sealed, making it safe from injury, and stored in the cellar or other place comparatively inaccessible to the flies, as soon as convenient. These small flies can easily be destroyed with fresh pyrethrum Fig. 2 Fruit fly: a, adult fly; h, antenna; c, base of tibia and first tarsal joint; d, puparium, side view; e, same, dorsal view; f, larva; g, anal segment of same; a, d, e, f, much enlarged; h, c, g, still more enlarged. (After Howard, U. S. Dep't Agric. Div. Ent. Bui, 4. n. s, 1896) Malarial mosquito^ This is one of our native species. It is only recently that its connection with the spread of malaria has been established beyond question, though there has long been a suspicion that some mos- quitos might be responsible for this disease. Infection by malaria. Medical men, best qualified to pass upon the question, unhesitatingly affirm that certain mosquitos are responsible for the dissemination of this malady. Malaria, like some other diseases, is caused by a specific germ. It is peculiar in that it has to pass through certain changes within the body of the mosquito before it can develop successfully in the human system. Moreover, malarial mosquitos are harmless until they have become infected by biting some person suffering from ^Drosophila ampelophila Loew and D. a m o e n a Loew. ^Anopheles m a c u li p e n n i s 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 New Y
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
