. Classification of the Coleoptera of North America [microform]. Beetles; Beetles; Coléoptères; Coléoptères. f M 153 COLEOPTERA OF NORTH AMERICA. ml 8 â i1 tjgiys 1 â â â¦''' >^^l ill I â 1).. â â¢- -v. I? Group I.âChalcophoras. Insects of large size, readily known by the antennal pores being (lifl'iisod on the sides of the joints, but sometimes only near the iul'erior margin, and by the mesosternul suture being indislinct. C'luilcoi)hora Is generally distributed through our territory, and some of the species are abundant in the Middle States; the other two genera are found in Texas, Ne
. Classification of the Coleoptera of North America [microform]. Beetles; Beetles; Coléoptères; Coléoptères. f M 153 COLEOPTERA OF NORTH AMERICA. ml 8 â i1 tjgiys 1 â â â¦''' >^^l ill I â 1).. â â¢- -v. I? Group I.âChalcophoras. Insects of large size, readily known by the antennal pores being (lifl'iisod on the sides of the joints, but sometimes only near the iul'erior margin, and by the mesosternul suture being indislinct. C'luilcoi)hora Is generally distributed through our territory, and some of the species are abundant in the Middle States; the other two genera are found in Texas, New Mexico, and Arizona. The male of Chalcophora has a distinct sixth ventral segment. Aiitennfo inserted under a ridge; mentum rounded in front; posterior tarsi with the first joint elongated. Oyascl-tuh. Antennne inserted in small ; mentum broadly emarginate in front; posterior tarsi with the first joint elongated. inserted in large foveip ; mentum hroadly rounded in front; pos- terior tarsi with the drst joint not elongated. rsiLorTURA. Group II.âBuprestes. Species of moderate size and usually of elongate form; the antennal cavities are small, aiul the front is not lobed before the antcnniP; the pores of the latter are placed in fovete situated on the inferior margin of the joints, except in Cinyra, where they are terminal. The species of Dieerca and Pcecilonota are of a dull bronze color; some are abutidant; they are remarkable for the tips of the elytra more or less prolonged, forming a kind of tail. Sexual characters vary in the diflerent genera, and in the groups of species of each genus; they are found in the form of the ante- rior or middle tibia;, in the outline of the tip of the fifth ventral segment. I have not observed a distinct external sixth segment in the male of any species. Picerca and Ancylochira are gene- rally diffused; the other two genera are not yet found west oi' Platte River. Prosternum obtusely rounded
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Keywords: ., bookauthorlecontejohnljohnlawre, bookcentury1800, bookdecade1860
