. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 286 ECONOMIC ENTOMOLOGY Ground beetles are common insects and, with two or three exceptions, prey upon injurious forms and do not feed upon fruits, leaves or seeds. (See Part I, Beneficial Insects.) Following are the species most com- monly met with: Some Common Carabids Murky Ground Beetles: Pterostichus lucuhlandus Say.—Color usually green or bluish, not polished; length 10-14 mm.; thorax widened posteriorly; striae of elytra. Fig. 186.—A carabid beetle {Pterostichus lucuhlandus). {A
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 286 ECONOMIC ENTOMOLOGY Ground beetles are common insects and, with two or three exceptions, prey upon injurious forms and do not feed upon fruits, leaves or seeds. (See Part I, Beneficial Insects.) Following are the species most com- monly met with: Some Common Carabids Murky Ground Beetles: Pterostichus lucuhlandus Say.—Color usually green or bluish, not polished; length 10-14 mm.; thorax widened posteriorly; striae of elytra. Fig. 186.—A carabid beetle {Pterostichus lucuhlandus). {After Gibson and Treherne, Ent. Bui. 12, Dep. Ag. Can.) smooth; 4 dorsal punctures; legs usually reddish; under surface punc- tured; three basal joints of antennae distinctly carinate; basal impressions of thorax double (Fig. 186). Galerita janus Fab.—Black, clothed with short hairs; length 17- 22 mm.; legs, palpi, thorax and base of antennae reddish-brown; head black, strongly constricted behind; prothorax half as wide as wing- covers; elytral striae fine not punctured. Lebia grandis Hertz.—^Length 9 mm.; head and thorax reddish-yel-. 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
