. Text-book of zoology for schools and colleges. Zoology. OKDERS OF INSECTS. 159 The Diptera constitute one of the largest orders of insects; the House-flies and Flesh-flies (Musca), the Gnats ( Culex), the Crane-flies {Tipula), the Forest-flies {Sippobosca), and the Gad-flies {Tabanidm), constituting good examples. Oedee IX. Lepidopteea (Gr. lepis, scale; pteron, wing). —This well-known and most beautiful of all the orders of in- sects comprises the Butterflies and Moths, the former being active by day (diurnal), and the latter mostly toward twilight {crepuscidar), or at night {nocturnal). In
. Text-book of zoology for schools and colleges. Zoology. OKDERS OF INSECTS. 159 The Diptera constitute one of the largest orders of insects; the House-flies and Flesh-flies (Musca), the Gnats ( Culex), the Crane-flies {Tipula), the Forest-flies {Sippobosca), and the Gad-flies {Tabanidm), constituting good examples. Oedee IX. Lepidopteea (Gr. lepis, scale; pteron, wing). —This well-known and most beautiful of all the orders of in- sects comprises the Butterflies and Moths, the former being active by day (diurnal), and the latter mostly toward twilight {crepuscidar), or at night {nocturnal). In all the JLepidoptera the mouth of the adult insect is purely suctorial, and is pro- vided with a spiral trunk fitted for imbibing the juices of flowers. The wings are four in number, and are covered more or less completely with modified hairs or scales, which are pretty objects under the microscope, and from which the wings derive their beautiful colors. The larvae of the JLepidoptera (Fig. 71) are generally known as caterpillars. They are worm- like, provided with masticatorj' organs fitted for dividing solid. Fig, 71.—Large white Cabbage-butterfly (Pontia brassiem). a Larva or caterpillar; 6 Pupa or chryBalis; c Imago or perfect insect. substances, possessing false legs in addition to the three pairs proper to the adult, and having attached to the under lip a tubular organ or spinneret, by which silken threads can be manufactured. The butterflies or diurnal Zepidoptera are characterized by being active during the daytime, by keeping their wings most-. 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 Nicholson, Henry Alleyne, 1844-1899. New York, D. Appleton and Co.
Size: 1525px × 1639px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
