. Circular. Insects. 5 from a spot 2 inches below the surface of the pile where the larvae had congregated in immense numbers. The different stages of the insect are well illustrated in figure 1 and need no description. REMEDIES AND PREVENTIVES. A careful screening of windows and doors during the summer months, with the supplementary use of sticky fly papers, is a preventive measure against house flies known to everyone, and there seems to be little hope in the near future of much relief by doing away with the breeding places. A single stable in which a horse is kept will supply house flies fo
. Circular. Insects. 5 from a spot 2 inches below the surface of the pile where the larvae had congregated in immense numbers. The different stages of the insect are well illustrated in figure 1 and need no description. REMEDIES AND PREVENTIVES. A careful screening of windows and doors during the summer months, with the supplementary use of sticky fly papers, is a preventive measure against house flies known to everyone, and there seems to be little hope in the near future of much relief by doing away with the breeding places. A single stable in which a horse is kept will supply house flies for an extended neighborhood. People living in agricultural commu- nities will probably never be rid of the pest, but in cities, with better methods of disposal of garbage and with the lessening of the number of horses and horse stables consequent upon electric street railways, bicycles, and automobiles, the time may come, and before very. Fig. 7.—Drosophila ampelophila: a, adult; b, antenna of same; c, base of tibia and first tarsal joint of same; d, puparium, side view; e, puparium from above; f, full-grown larva; g, anal spiracles of same. All enlarged (author's illustration). long, when window screens may be discarded. The prompt gathering of horse manure, which may be variously treated or kept in a specially prepared receptacle, would greatly abate the fly nuisance, and city ordi- nances compelling horse owners to follow some such course are desir- able. Absolute cleanliness, even under existing circumstances, will always result in a diminution of the numbers of the house fly, and, in fact, most household insects are less attracted to the premises of what is known as the old-fashioned housekeeper than to those of the other kind. During the summer of 1897 a series of experiments was carried out with the intention of showing whether it would be possible to treat a manure pile in such a way as to stop the breeding of flies. The writer's experience with the use of air-slaked l
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectinsects
