. Preventive medicine and hygiene. crawl under boards or stones, or into dry manurecollected under platforms or the like. This tendency of migrating ap-pears three or four days before pupating. The larvae leave the moist 250 INSECT-BOENE DISEASES manure for a dry, dark place. This migrating habit is of great advan-tage in that the winged tly, at the time of emergence, is thus affordedan easy path to freedom. Advantage may be taken of this migratinghabit to trap many larvae. They should be driven out of the manure pile by moistening it andtrapped in a basket or box, ordrowned in water. Life His
. Preventive medicine and hygiene. crawl under boards or stones, or into dry manurecollected under platforms or the like. This tendency of migrating ap-pears three or four days before pupating. The larvae leave the moist 250 INSECT-BOENE DISEASES manure for a dry, dark place. This migrating habit is of great advan-tage in that the winged tly, at the time of emergence, is thus affordedan easy path to freedom. Advantage may be taken of this migratinghabit to trap many larvae. They should be driven out of the manure pile by moistening it andtrapped in a basket or box, ordrowned in water. Life History of StomoxysCalcitrans.— Stromoxys calci-tratis, the biting stable fly, isvery similar to the house flyin its life history and in ap-pearance during the pre-paratory stages, but devel-ops more slowly, requiringnearly a month to undergo acomplete life cycle. The eggsare laid like those of thehouse fly in horse manure, butmore frequently in ferment-ing heaps of grass, cow-dung,The adult flies are much like theThey feed exclu-.
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Keywords: ., bookauthorwh, bookcentury1900, bookdecade1910, booksubjecthygiene
