. Sanitary entomology; the entomology of disease, hygiene and sanitation. fcaa^Siii pjf/i^v-i^ir .?^ESissss^. .^?i«.:-:«ts*^ Plate X\II.—Straw stack sliowing proper metliod of building strawstack. (Bishopp.) Horn Flies Haematohia sanguisugens is an Indian bloodsucker, which attackscattle and horses. The principal species of horn flies belong to thegenus Lyperosia,^ of which L. irritans Linnaeus (plate XVIII) and Meijere are the two commonest bloodsuckers. The latter isoriental. The horn fly was treated very fully by Marlatt in a circularnow out of print. This species is so called
. Sanitary entomology; the entomology of disease, hygiene and sanitation. fcaa^Siii pjf/i^v-i^ir .?^ESissss^. .^?i«.:-:«ts*^ Plate X\II.—Straw stack sliowing proper metliod of building strawstack. (Bishopp.) Horn Flies Haematohia sanguisugens is an Indian bloodsucker, which attackscattle and horses. The principal species of horn flies belong to thegenus Lyperosia,^ of which L. irritans Linnaeus (plate XVIII) and Meijere are the two commonest bloodsuckers. The latter isoriental. The horn fly was treated very fully by Marlatt in a circularnow out of print. This species is so called because of the habit of theadults of clustering on the base of a cows horn. The flies also clusteron other parts of the animal and cause great annoyance. Even when notfeeding the flies rest on the cattle. The eggs are laid singly on the surfaceof wet dung. The moment the dung is dropped a swarm of flies dart fromthe animal to the dung and remain there a few seconds, during which time- Dr. J. M. Aldrich does not recognize Lyperosia, but places our American speci
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbenefic, bookyear1921
