. 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. THE PEEDACEOUS DIVING BEETLES. 213 '/. l<'irsl nnd si'cdiirt ventral seKinents siuootli or (ibsnlelely punctate; elytra finely punctate. 406. affinis. dd. First and second ventral segments coarsely but sparsely punc- tate ; elytra coarsely punctate. 407. puscatus. 403 (1270). BiuEssus fi^vicollis Lee, Prcic. Phil. Acad. Nat. Sci., 1855, 295. Oblong-oval, opaque. Head, thorax, legs and under surface yellow
. 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. THE PEEDACEOUS DIVING BEETLES. 213 '/. l<'irsl nnd si'cdiirt ventral seKinents siuootli or (ibsnlelely punctate; elytra finely punctate. 406. affinis. dd. First and second ventral segments coarsely but sparsely punc- tate ; elytra coarsely punctate. 407. puscatus. 403 (1270). BiuEssus fi^vicollis Lee, Prcic. Phil. Acad. Nat. Sci., 1855, 295. Oblong-oval, opaque. Head, thorax, legs and under surface yellow; elytra fuscous or brownish, each with two paler spots on the sides. Thorax and elytra densely and finely punctate, the basal grooves of the former very short. Hind coxae not longer than broad. Length mm. A single specimen from Hudson Lake, Laporte County, July 15. Probably occurs sparingly in the lakes of the northern third of the State. Known from Illinois, Pennsylvania and New England. 404 (1273). BiDESSDs puucaeius Aub6, Spec. Gen., VI, 1838, 494. Oblong-oval, opaque. Head, thorax and legs reddish-yellow; elytra dark brownish-yellow, a faint yellow submarginal spot behind the middle and another near the apex; postpectus and abdomen piceous. Elytra closer ly punctulate and covered with fine hairs visible only beneath the lens. Length mm. Laporte, Kosciusko, Marshall and Marion counties; scarce. May 31-August 15. 405 (1278). BiDESsus lacusteis Say, Trans. Amer. Phil. Soc, II, 1823. 103; ibid. II, 516. Oblong-oval, shining. Head and thorax dull reddish-yel- low; elytra brownish-yellow clouded with darker; under surface usually black. Elytra very finely and indistinctly imnctate. Length mm. (Fig. 108.) Throughout the State; frequent. April 15-Au- gust 20. 40ii (1275). 's AFFiNis Say. Trans. Amer. Phil. Soc, II, 1823, 104; ibid. II, 517. / "^ Oblong-oval, shining. Head, thorax and legs red- ^. ^^^ ^ jg dish-yellow; elytra and under s
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910
