. Alfalfa, grasshoppers, bees: their relationship. Alfalfa. [from old catalog]; Locusts. [from old catalog]; Bees. [from old catalog]. Fig. 19. ( Original.) Dorsal aspect of body (female). A , head ; 7, antenna; 8, epicranium; 3, compound eye. B, prothorax : ». praescutum ; b, scutum ; c, scutellum ; d, post scutellum. C, mes- onotum; sc, scutum; gel, scutellum; w, tegmina or wing cover. D, metanotum; sc, scutum; scl, scutellum; w, wing. E, abdo- men; 7, 8, S, i, 6. 6, 7, 8, 9, 10, 11, segments; aud, auditory organ ; .v/j, spiracles; c, cerci; p>>, podical plates ; o, ovipositor. Enlarge
. Alfalfa, grasshoppers, bees: their relationship. Alfalfa. [from old catalog]; Locusts. [from old catalog]; Bees. [from old catalog]. Fig. 19. ( Original.) Dorsal aspect of body (female). A , head ; 7, antenna; 8, epicranium; 3, compound eye. B, prothorax : ». praescutum ; b, scutum ; c, scutellum ; d, post scutellum. C, mes- onotum; sc, scutum; gel, scutellum; w, tegmina or wing cover. D, metanotum; sc, scutum; scl, scutellum; w, wing. E, abdo- men; 7, 8, S, i, 6. 6, 7, 8, 9, 10, 11, segments; aud, auditory organ ; .v/j, spiracles; c, cerci; p>>, podical plates ; o, ovipositor. Enlarged about three and a half times. ( figs. 20, 21). On the upper half of each side f this first segment is a large opening covered with a delicate membrane (figs. 21. 24). These are the auditory organs. The membrane is the tym- panum. In fig. 24 the auditory organ is enlarged. The margin is the thickened tympanum. The dark structure at the right on tympanum is the cone-shaped prominence which is situated just beneath the tympanum. The dark spot near center is the trian- gular chamber situated just beneath the tympanum. Just in front of each auditory organ is a spiracle (figs. 21, 24). The next seven segments contain breathing spores (spiracles ) on the. 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 Hunter, Samuel John, 1866- [from old catalog]; Duff, A. H. [from old catalog]. Topeka, Kan. , Press of the state printer
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectalfalfafromoldcatalo
