Annual report of the Agricultural Experiment Station of the University of Minnesota . at the beginning of this article has beenprepared in order to show farmers the exact appearance of some of themore common locusts of the State, a few of which are so closely alliedas to be difficult to distinguish by an amateur. Fig. 1. Lesser Migratory or White Mountain Locust (M. atlanis).Somewhat enlarged. Young (pupa) of same; slightly enlarged. Red-legged Locust (M. femur-rubrum); enlarged. Same, enlarged, wings spread, showing parasitic mites. Carolina Locust (D. Carolina); pale form. Two-striped Locust
Annual report of the Agricultural Experiment Station of the University of Minnesota . at the beginning of this article has beenprepared in order to show farmers the exact appearance of some of themore common locusts of the State, a few of which are so closely alliedas to be difficult to distinguish by an amateur. Fig. 1. Lesser Migratory or White Mountain Locust (M. atlanis).Somewhat enlarged. Young (pupa) of same; slightly enlarged. Red-legged Locust (M. femur-rubrum); enlarged. Same, enlarged, wings spread, showing parasitic mites. Carolina Locust (D. Carolina); pale form. Two-striped Locust (M. bivittatus); reduced. Rocky Mountain Locust (ill. spretus); slightly enlarged. Green-striped Locust (C. viridifasciata) ; reduced Coral-winged Locust (H. tuberculatus) ; reduced. Fig. 2. Fig. 3. Fig. 4. Fig. 5. Fig. 6. Fig. 7. Fig. 8. Fig. 9. THE HORN FLY. Haematobia serrata, R. Desv. A small fly resembling the House fly but considerably smallerwhich attacks the shoulders of cattle and the back near the tailcausing irritation, sore back and rawness of the flesh; dark colored. Fig. 29.—Horn fly (Haematobia serrata). Lugger. animals appear to be the worst affected. Eggs are laid in freshlydropped manure, the flies darting to the manure, ovipositing, and 32 INSECTS INJURIOUS IN 1902. immediately returning to the cow or steer. The habit these flieshave of resting on the horns, if horns are present, has given themthe above name. It should be noted, however, at this time theycause no injury whatever but have simply chosen a secure retreatwhere they cannot be disturbed. Their position while biting ischaracterized by more or less extended wings; when resting onthe horns the wings are closer together pointing backward. This fly introduced into this country about 1886, has becomevery numerous and troublesome in this State. The writer hasmet with it at St. Anthony Park, Alexandria, Fergus Falls, andLuverne and has received reports of its occurrence in various lo-calities. It appear
Size: 1308px × 1910px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectagriculture, bookyear
