. Classification of the Coleoptera of North America [microform]. Beetles; Beetles; Coléoptères; Coléoptères. LATIIRinilDAE. 101 lantic district, and Corticaria Irinvjnafa Mann., from Russian America. Tlie form of tlio anterior and jtostcrior coxai distinguishes it from all the preceding families, and approximates it somewhat to iho families following the Elateridie. The two species are snnUi, testaceous, or brown, coarsely punc- tured insects, having the head deeply impressed, with a small smooth tubercle each side inside of the eye, which at first sight resembles a largo ocellus. The thor
. Classification of the Coleoptera of North America [microform]. Beetles; Beetles; Coléoptères; Coléoptères. LATIIRinilDAE. 101 lantic district, and Corticaria Irinvjnafa Mann., from Russian America. Tlie form of tlio anterior and jtostcrior coxai distinguishes it from all the preceding families, and approximates it somewhat to iho families following the Elateridie. The two species are snnUi, testaceous, or brown, coarsely punc- tured insects, having the head deeply impressed, with a small smooth tubercle each side inside of the eye, which at first sight resembles a largo ocellus. The thorax is comparatively small, channelled, and its lateral margin is strongly toothed; the elytra are wider than the , with striie composed of large punc- tures, and are variegated with darker ..... , t ⢠t;' ;r ''I ⢠C â â¢â .â¢â â ' â -W' â â ,., s- Â¥-â ,,â¢* â !>â ''â â ^ :. iWA''â¢: ''â * ' it' >.';â¢.'. â â â¢â ⢠â , â *â¢.'â â '.' ',#â¢',"â .â â â '* >'>;â¢' .'.,â â â - â â ' linal the aw 3 Fam. XXIII.âLATHRIDIIDAE. Mentum large, transverse; ligula indistinct; labial palpi short, with two or three joints; second joint large, rounded. Maxilla) with two lobes; palpi 4-jointed, last joint large. Antennte inserted in front of the eyes in our genera, 9â11-jointed, the first and second joints thicker than the third, the outer ones enlarged. Front with clypeal suture distinct; labrum short, covering the small, not prominent mandibles. Prothorax with the side pieces not separate; prosternum more or less visible between the coxrie; coxal cavities entire; mesosternum separating the middle coxae; metasternum mo- derate, side pieces narrow. Elytra entirely covering the abdomen. Abdomen with five free ventral segments, not remarkably differing in length. Anterior coxic conical, prominent, more or less separated; middle ones separate, rounded; posterior coxos transverse, widely separat
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Keywords: ., bookauthorlecontejohnljohnlawre, bookcentury1800, bookdecade1860
