ClASS V. INSFXTA. 193 



Genus 171. OPATRUM. Fabr., Oliv., Lam., Leach. Silpha. 

 Linn. Texebrio. Geoff., Marxh. 

 Body oval : maxillarif palpi with their last joint obtrigonate : antenna 

 gradually thicker towards their extremities : the last joints trans- 

 verse, compressed. 

 Sp. 1. Oput. subulosum. (PL 2. Jig.Q. a. antenna magnified.) 

 Opatrum sabulosum. Fabr., Lair. Silpha sabulosa. Linn. Tenebrio 



sabulosus. Marsh. 

 Inhabits sandy places. 



Genus 17','. TExXEBRIO. Linn., Geoff., De Gccr, Fabr., Latr., 



l^each. 



Thorax behind as broad as the elytra: body elongate : antenna scarcely 

 gradually thicker towards their e.xtremities ; the eighth, nintli, and 

 tenth joints transverse ; the last i^ubglobose : vientutn somewhat qua- 

 drate; the upper margin rounded; inaxillurif palpi witli tlieir last 

 joint thick. 



Sp. 1. Ten. Molitor. {PI. A. fig. 1.) 



Inhabits houses; the larva- in meal and flour; and is well known im- 

 der the name of meal-worm. 



Fam. XXIX> Diaperid.i. Leach. 



Mandibles bifid at their extremities : head more or less triangular, with- 

 out a contraction behind, at its juncture witli the thorax: tarsi with 

 entire joints : antenna not moniliform, tlieir extremities perloliatcd 

 or serrlted. 



SriRPS 1. — Byr/y linear, or nearly so. r/(o/«j- almost quadrate. Antenna 

 terminated by a club. MaxilU- unguiculated. 



Genus 173. SARROTRIU.M. Illig., Fabr., Leach. IIispa. Linn., 

 Marsh. Tenebrio. De Gecr. Orthocerus. I^ilr. 

 Antenna with the last six joints forming a thick, fusiform, downy 



mass. 

 Sp. 1. Surr. muticum. (PI. ^•fig- 16. a. antenna mngnijied,) 

 Sarrotrium muticum. Pai/k., Fabr., Leach. IIispa mutica. Linn., Marsh. 



Orthocerus hirticornis. iMlr. 

 Inhabits sandy places. In Britain it is rare, or at least^cry local. It 



has been found in gravel-})its near Nor\vich by Mr. Joseph Hooker, 



and near Hampstead by Mr. Stephens, in the months of June ana 



July. 



Stirps. 2. — .^ji/t'nwtf- not moniliform. Body o\^, or nearly orbicular : 

 a little longer tlian broad. 



a. Antenna not serrated at tlieir extremities. 



Genus 174. PHALERIA. Latr., Leach. Tenebrio. Fabr. 

 Anterior tibia elongate-trigonate : tarsi short: antenna gradually thick- 

 ening towards their extremities, where they are perfoliated : body oval. 



N 



