. 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 WATEE 8CAVENGEE BEETLES. 263 KEY TO INDIANA SPECIES OP HTDHOBIUS. a. Alternate intervals of elytra, 3-5-7-9, each with a row of coarse punc- tures ; elytra black or piceous. 6. Elytra with well marked stri£e; form oblong. 511. fuscipes. 66. Elytra with rows of flue punctures; form short and very convex. c. Hind femora merely closely punctate near base, not pubescent. 512. TUMIDUS. cc. Hind femora densely
. 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 WATEE 8CAVENGEE BEETLES. 263 KEY TO INDIANA SPECIES OP HTDHOBIUS. a. Alternate intervals of elytra, 3-5-7-9, each with a row of coarse punc- tures ; elytra black or piceous. 6. Elytra with well marked stri£e; form oblong. 511. fuscipes. 66. Elytra with rows of flue punctures; form short and very convex. c. Hind femora merely closely punctate near base, not pubescent. 512. TUMIDUS. cc. Hind femora densely punctulate and pubescent near base and along the upper border. 513. globosus. aa. Alternate intervals of elytra without rows of coarse punctures; elytral striae deep, the scutellar well marked; elytra pale brown with scat- tered small dark spaces. tesseixatds. 511 (1653). Hydbobius fuscipes Linn., See Muls. Col. France, Palplc, 122. Oblong-convex. Above piceous-black, shining; beneath black, the tarsi paler. Thorax finely and closely punctate. Elytra striate the two inner and scutellar striae indistinct at base; striae closely punctate; intervals flat, not densely puuctulate. Length mm. Lake, Starke and Kosciusko counties; frequent beneath rubbish along the beaches of lakes. April 23-August 20. Probably occurs throughout the State. Resembles Eelacombus iifidus, but more convex and with shorter maxillary palpi, the last joint longer than the preceding. 512 (1648). Hydeobics tdmidus Proc. Phil. Acad. Nat. Sci., VII, 1S55, 372. Oval, very little longer than wide, very convex. Piceous-black, shining, slightly bronzed; beneath black, legs piceous, tarsi paler. Thorax rather closely and equally punctate and with coarser punctures in semicircular row on sides. Elytra with ten rows of punctures, the first and second rows not complete; intervals flat, more coarsely punctured than in globosus. Length mm. Kosciusko and Marion counties; scarce. April 3-October 22. 513 (
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910
