. 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 DARKLING BEETLES. l-{)7 KKV TO OF BOLETOrilAOINI. (/. Aiiteiuiii' lO-joiuted; e.\os not entirely dividGrl. XXni, BOLETOTIIKRUS "('. Antennu'll-jomtecl; comiiletely divided. XXIV. Boletophabi s. XXIII. BoLETOTHERUs Candeze. ]861. (Gr., "fungus + to ; In this genus the males have two horns, slightly curved and broader at tip, projecting forward from the thorax, and a short
. 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 DARKLING BEETLES. l-{)7 KKV TO OF BOLETOrilAOINI. (/. Aiiteiuiii' lO-joiuted; e.\os not entirely dividGrl. XXni, BOLETOTIIKRUS "('. Antennu'll-jomtecl; comiiletely divided. XXIV. Boletophabi s. XXIII. BoLETOTHERUs Candeze. ]861. (Gr., "fungus + to ; In this genus the males have two horns, slightly curved and broader at tip, projecting forward from the thorax, and a short horn, bifid at tip, on the clypeus. The females have the thorax strongly tuberculate. One species is known. 2346 (TS-IO). BoLETOTHEKUs BiFUEcus Ent. Syst. Supp., I, 179S, 40. Oblung, robust. Black or brownish-black, opaque. Thorax three times as broad as long, mar- gins broadly flattened and serrate with rounded teeth; the disk with horns or tubercles as above mentioned. Elytra each with four rows of large, j.^^ 555 y ^ irregular tubercles with smaller ones on the inter- (After Emmcns) vals. length mm. (Pig. 565.) Throughout the State; frei|uent. May 4-October 17. When dis- turbed they feign death, their form and roughened surface blending with the irregularities on the surface of the fungi in such a manner as to render the beetles almost invisible. XXIV. BoLETOPi-iAGUS Illig. 179S. (Gr., "fungus-f ;) Two species are known from the eastern United States, both of which prol)ab]y occur in Indiana, though but one has as yet been taken. The head and thorax are not horned in either sex, KEY TO SPECIES OF UOI-ETOPHAGUS. «. Thoracic disk with numerous tubercles; the margin strongly cTenulate and deeply notched in front of hind angles. 2.'>47. coeticola. u(j. Disk of thorax coarsely i>unctured, not tuberculate; sides regularly rounded, not crenulate. depressus. I'.jlT (). BoLETOPiiAors cokticola Say, .Journ. Phil. Acad. Nat. Sci., Y, 1S2G, 2:_
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910
