. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . iSECTS INFESTING DOMESTIC ANIMALS. The Black Horse-fly (Tahami^ atratus) 244 The Horse Bot-fly (pestrua erjui) 245 The Ox Bot-f\y{Uestru^ bovis) -^46 CHAP. The Sheep Bot-fly (Oestrus nvis) 247 The Scab Mite (PsoropUs eqiii) 248 The Liver Fluke (Dutoina hepaficutn) 249 CHAPTER CCXLIV. The Black Horse-fly. (Cal.) (7\(hctinis <ilrafu-<.—Fal)riciiis.) Order, Diptera ; Family, Tabanid^. [Biting and annoying horses, cattle and other a
. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . iSECTS INFESTING DOMESTIC ANIMALS. The Black Horse-fly (Tahami^ atratus) 244 The Horse Bot-fly (pestrua erjui) 245 The Ox Bot-f\y{Uestru^ bovis) -^46 CHAP. The Sheep Bot-fly (Oestrus nvis) 247 The Scab Mite (PsoropUs eqiii) 248 The Liver Fluke (Dutoina hepaficutn) 249 CHAPTER CCXLIV. The Black Horse-fly. (Cal.) (7\(hctinis <ilrafu-<.—Fal)riciiis.) Order, Diptera ; Family, Tabanid^. [Biting and annoying horses, cattle and other animals; alarge black two-winged fly, having the back of the thoraxcovered with a bluish-white poAvder, and the wings smokydark brown or black.] Fig. 360.—BlackHorse-fly, Larvaand Pupa; a, thelarva—color, green-ish-white ; h, thepupa-color, brown;c, the fly—colors,black and bluish-white. The body of thisfly (Fig. 360c) isabout ten lineslong, and the wingsexpand about two inches. Like the mosquito, it is only the females whichattack animals; the males are destitute of mandibles, and. 350 TJWSECTS INFESTING DOMESTIC ANIMALS. live upon the sweets of flowers. The larva of this fly ()lives in the vicinity of fresh water streams; they haveheen found beneath submerged stones in a small stream ofrunning water, among floating pieces of wood, and on dryland less than a rod from a small permanent stream of appears that a certain degree of moisture is necessary fortheir existence, although they are not strictly aquatic. Theyfeed upon snails, and probably earth worms. These larvsemeasures from one inch and nine lines to two inches andthree lines in length, and are nearly cylindrical, but taper ateach end; they are of a transparent greenish or yellowishcolor, and furnished above and below with large roundedsponge-like tubercles which are extended or retracted at thewill of the insect. They reach their full size in mid-Summer,and then transform into pupfe (Fig. 3606),
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Keywords: ., bookcentury1800, bookdecade1880, bookidinjuriousins, bookyear1883
