. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 2l8 INSECT LIFE. MISCELLANEOUS FOREST INSECTS. The Cicadas. The shrill Cicadas, people of the pine Making their summer lives one ceaseless song.—Byron. Oiir more common species of cicadas are large insects, but as the nymphs live in the ground, and the adults spend most of their time high up among the branches of trees, they would attract compara- tively little attention were it not for their songs. The student of forest insects, how- ever, is s
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 2l8 INSECT LIFE. MISCELLANEOUS FOREST INSECTS. The Cicadas. The shrill Cicadas, people of the pine Making their summer lives one ceaseless song.—Byron. Oiir more common species of cicadas are large insects, but as the nymphs live in the ground, and the adults spend most of their time high up among the branches of trees, they would attract compara- tively little attention were it not for their songs. The student of forest insects, how- ever, is soon made aware of the presence of cicadas if he collects at midday during the period of flight of these insects. Their song is a high, sharp trill, that far ex- ceeds in volume the song of any other insect that sings in the day- time. One of our most common spe- cies is the dog-day-harvest-fly. Cicada tibicen {Ci-ca'da ti-bi'cen). This insect (Fig. i86) is black and green in color and more or less powdered beneath. It is found every year in the localities in which it occurs, al- though it requires two years for an individual to at- tain its development. The species of cicada that attracts most attention is the periodical cicada. Cicada septendecim (C. sep- ten'de-citti). This species is often called the seventeen- year locust; but as it is not a locust, this name should. Fig. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomol, bookyear1901
