. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. 506 FAMILY XVI.—COCCINELLIDiE. KEY TO INDIANA SPECIES OF OETHOPEBUS. a. Elytra not punctate, but marked with spiall V-shaped scratches; length .7 mm. scuTEiXABis. aa. Elytra distinctly but finely and sparsely punctate; length not over .6 mm. &. Form oblong-o\al; length .6 mm. 970. glaber. 66. Form evenly oval, the sides more curved; length .5 mm. 971. MICROS. 0. scvtellaris Lee, black, legs and antemio?
. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. 506 FAMILY XVI.—COCCINELLIDiE. KEY TO INDIANA SPECIES OF OETHOPEBUS. a. Elytra not punctate, but marked with spiall V-shaped scratches; length .7 mm. scuTEiXABis. aa. Elytra distinctly but finely and sparsely punctate; length not over .6 mm. &. Form oblong-o\al; length .6 mm. 970. glaber. 66. Form evenly oval, the sides more curved; length .5 mm. 971. MICROS. 0. scvtellaris Lee, black, legs and antemio? paler, is known from Ohio and northem Illinois. 970 (3029). Oethoperus glaber Lee, Proc. Phil. Acad. Nat. Sci., VI, 1852, 142. Oblong-oval. Piceous-black, glabrous, shining. Thorax twice as wide as long, narrowed in front, emarginate at apex, hind angles rectangular. Elytra very sparsely and obsoletely punctured. Ijength .6 mm. Southern two-thirds of State; frequent. March 20-November 8. Taken by sifting. 971 ( ). Oethoperus micros Casey, Journ. N. T. Ent. Soc, VIII, 1900, 66. Rounded-oval. Piceous-black, glabrous, shining. Keticulations of sur- face distinct beneath the lens. Eyes separated on the front by but little more than twice their own width. Length .5 mm. Throughout the Statp; scarce. May 4. Family XVI. COCCINELLIDiE. The Lady Bugs. The Plant-louse Beetles. This family comprises a moderate number of rounded or hemi- spherical, rarely oblong, convex beetles, the larger members of which are well known under the common name first mentioned. In color they are generally rod or yellow, with black spots, or black with white, red or yellow spots. The name Coeciiiclla is derived from the Coccus, which produces the cochineal dyes so (Wtensively used before the anilini^ dyes were discovered, and was suggested by the pre\-alence of red in the coloration ol: many of these insects. In most eases the surface is glabrous, but in some of the snjaller forms it is plainly pube
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910
