Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 called veins or nerves. In the grasshopper the struc- ture and shape of the two wings on one side differ very materially. (Fig. 202, w w.) Mesothoracic Wing.—This is frequently called the tegmen. It is long and narrow, and heavier than the metathoracic wing. (Fig. 202.) Metathoracic Wing. - - The metathoracic FIG. 202. Dorsal aspect of body (female). A, head : i, antenna ; 2, epicranium ; 3, compound eye. B, prothorax : a, pnescutum; 6, scutum ;.c, scutellum ; d, post scutellum. C, mesonot


Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 called veins or nerves. In the grasshopper the struc- ture and shape of the two wings on one side differ very materially. (Fig. 202, w w.) Mesothoracic Wing.—This is frequently called the tegmen. It is long and narrow, and heavier than the metathoracic wing. (Fig. 202.) Metathoracic Wing. - - The metathoracic FIG. 202. Dorsal aspect of body (female). A, head : i, antenna ; 2, epicranium ; 3, compound eye. B, prothorax : a, pnescutum; 6, scutum ;.c, scutellum ; d, post scutellum. C, mesonotum: se, scutum; scl, scutellum; to, tegmen, or wing-cover. D, mi-tano- turu : ac, scutum ; scl, scutellum ; ic, wing. E, abdomen : ;, L', 3, 4, 5, S, 7, 8, 9, 10, 11, segments; aw7, auditory organ ; sp, spiracles ; ,•, cerci; pp, podical plates ; o, ovipositor. Enlarged about three and one-half times. wings are Lroad and fan-like, capable t he- ing folded in plaits, and are concealed along the sides under the tegniina when not in use. Since these arc relied upon for the principal


Size: 1446px × 1384px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage