. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 258 ECONOMIC ENTOMOLOGY SO many laid about the hoof as with lineatum. SwelHng is more rounded and more raised than that of lineatumj and exudes less serum. Control.—When practicable dip every lo days and treat the larvae with arsenic. Remove the larva from the warble in spring. Larvae of a species of Hypoderma have been obtained from the backs of horses. BoT Flies These flies are probably of European origin but little is known of their introduction. Horse Bot Fly {Gastrophilus intestin


. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 258 ECONOMIC ENTOMOLOGY SO many laid about the hoof as with lineatum. SwelHng is more rounded and more raised than that of lineatumj and exudes less serum. Control.—When practicable dip every lo days and treat the larvae with arsenic. Remove the larva from the warble in spring. Larvae of a species of Hypoderma have been obtained from the backs of horses. BoT Flies These flies are probably of European origin but little is known of their introduction. Horse Bot Fly {Gastrophilus intestinalis DeG. = equi Fab.). Adult, —A large brownish hairy bee-like fly, % inch long; head brown with. 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919