. A manual for the study of insects. Insects. Fig, 609—Dorsal aspect of the thorax of a beetle; 14, pronotum; 15, mesonotum; 16, metanotum. Dysticus^ dissected. (After Audouin.). Fig. 610.—Figure of a beetle, showing the scutellum. elytra, excepting the scutellum of the mesothorax, which is usually quite conspicuous, appearing as a more or less triangular piece be- tween the elytra at their base (Fig. 610). As this is the only one of the three scutella that is usually seen, it is termed the scutellum. Each pleurum or lateral part of each thoracic segment is composed chiefly or entirely of two
. A manual for the study of insects. Insects. Fig, 609—Dorsal aspect of the thorax of a beetle; 14, pronotum; 15, mesonotum; 16, metanotum. Dysticus^ dissected. (After Audouin.). Fig. 610.—Figure of a beetle, showing the scutellum. elytra, excepting the scutellum of the mesothorax, which is usually quite conspicuous, appearing as a more or less triangular piece be- tween the elytra at their base (Fig. 610). As this is the only one of the three scutella that is usually seen, it is termed the scutellum. Each pleurum or lateral part of each thoracic segment is composed chiefly or entirely of two sclerites, arranged more or less obliquely. The first of these (Fig. 608, e) \s the epzsternum (ep-i-ster'num), the second (Fig. 608,/) is the epiineron (ep-i-me'ron). A third sclerite (Fig. 608,^) is sometimes present near the dorsal end of the epister- num; this is the parapteron (pa-rap'te-ron.) Paraptera have not been found in the prothorax. In beetles the paraptera of the mesothorax. 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. joint author. Ithaca, N. Y. , Comstock Pub. Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1895
