. 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. BEETLES. 1003 XLI. Trichius Fab. 1775. ( ";) ]\Iedium-sized beetlis having the thorax rounded, narrower than ('lytra, the latter short, almost truncate; jiygidium prominent in Ijoth sexes, that of male more convex than that of female and with the tip somewhat inflexed. They occur upon flowers during the day and readily take to flifrlit when disturbed. Three of the six known si)eeies have
. 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. BEETLES. 1003 XLI. Trichius Fab. 1775. ( ";) ]\Iedium-sized beetlis having the thorax rounded, narrower than ('lytra, the latter short, almost truncate; jiygidium prominent in Ijoth sexes, that of male more convex than that of female and with the tip somewhat inflexed. They occur upon flowers during the day and readily take to flifrlit when disturbed. Three of the six known si)eeies have been taken in Indiana. KEY Tu ISDIA-NA .SPECIES OF a. Elytra with white transverse bands and velvety spots on the sides. h. Elytra with third and fifth intervals distinctly more convex than sec- ond and fourth, the latter two rather densely punctate; front tibia;- of male without spur. 1868. pigeb. hh. Elytra with third and fifth intervals but slightly convex, second and fourth very spai-sely punc-tured; front tibise with spur in both sexes, that of male more slender and straight than in female. 1869. AFFINIS. uu. Elyti'a reddish-broAvu. tinged with ^'reeii. without transverse whitish bands or velvety spots on the sides. 1870. bibens. ISGS (.). TBicHits pigeb Fab., Syst. 1798, 40. Oblong-oval. Head and thorax piceous, tinged with gi-eeiiish ; elytra reddish-brown to piceous, sparsely pubescent, each with two short, oblique whitish bars, one slightly in front of, the other slightly behind the middle, and reaching from the margin to the fifth, rarely the third, interval; sides with a black or reddish velvetj' space reaching from the margin to the fifth interval behind the front bar and divided by the hind one; body be- neath and femora piceous-bronzed, clothed with long, white, silken hairs; abdomen, tibiae and tarsi reddish-brown. Head and thorax densely punctate, usually thickly clothed with short, erect, yellowish hairs. Pygidium finely rugose, sparsely p
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910
