. Classification of the Coleoptera of North America [microform]. Beetles; Beetles; Coléoptères; Coléoptères. SCAnAniT-IDAE. 121 Eycrt Htrongij t'lrnrginatod by tlio uiargin of tlie head ; Laliriuii suliti'iiiiigulai', luuiuieil in fruiit. Lahruin viiry sliort, broad, truncuto, or emargiiiato. Eyos almost outiro ; sixtli ventral segment visible. LUCAMIH. DdiiCUH. I'LATYCKUL'H. Sul)-Tribo ;cruclliiii. One j^enus irt reproseiitod in oiir fauna, Ccnu'lms, of cylindriial form, willi llie lioiul and niundiblos of the niiilo (jnlarficd. Tlnic are two species, C. piacus from tliu Atlantic, C. driu


. Classification of the Coleoptera of North America [microform]. Beetles; Beetles; Coléoptères; Coléoptères. SCAnAniT-IDAE. 121 Eycrt Htrongij t'lrnrginatod by tlio uiargin of tlie head ; Laliriuii suliti'iiiiigulai', luuiuieil in fruiit. Lahruin viiry sliort, broad, truncuto, or emargiiiato. Eyos almost outiro ; sixtli ventral segment visible. LUCAMIH. DdiiCUH. I'LATYCKUL'H. Sul)-Tribo ;cruclliiii. One j^enus irt reproseiitod in oiir fauna, Ccnu'lms, of cylindriial form, willi llie lioiul and niundiblos of the niiilo (jnlarficd. Tlnic are two species, C. piacus from tliu Atlantic, C. driuluti fmm Oregon. Sub-Tribe 3.—Sinodendrini. This Rub-tribe consists of but n sinj:!:le f^enus, Sinodendron, of oylindrical form; tlio male has the head armed with a long liorn, and tlie anterior part of the thorax suddenly declivous; tlie man- dibles are sliort in both sexes; tlie eyes are not emarginate; the niaxillas and ligula are not concealed by tlie mentum. (S. ri((josum Mannh. inhabits California and Oregon. A species, S. aviericanum, is described by Beauvois, from Atlantic America, but is uukuowu to me. Tribe II.—PASSALINI. Ligula large, corneous, filling a quadrate emargination of the mentum; antemue straight, first joint of moderate length ; man- dibles with a basal molar tooth, and an anterior movable one; maxilkc with both lobes hooked; labrum movable; scutellum in front of the base of the elytra; middle coxoc nearly glol)ular. tribe contains but a single genus, of which many species exist in the warmer parts of the eartli; it is represented in our fauna by but one, Pansalus cornutus, an elongate, somewhat flat- tened, shining beetle, of largo size, having the head armed with a short bent hook, and the elytra deeply striate. It is quite frequently seen in old stumps of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may


Size: 1655px × 1509px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorlecontejohnljohnlawre, bookcentury1800, bookdecade1860