ENGTDiE. LATRIDIUS. Ill 



there given I have since detected, although scarcely two months have 

 elapsed since the genus was illustrated. The larvse feed upon mucor. 



Sp. 1. lardarius. Elongatus, rufo-testaceus, glaber, thorace oblongo-quadrato, 

 bicostato, elytris amplis, profunde punctato-striatis, apice acuminatis. (Long, 

 corp. 1— l^ lin.) 



Ten. lardarius. De Geer. — La. quadratus. Steph. Catal. 93. No. 998. 



Elongate, testaceous-red, glabrous; head irregularly punctate; eyes black: 

 thorax oblong-quadrate, above depressed, unequal, with two longitudinal 

 parallel costse, reaching from the base to the apex, and at the base a deep fovea, 

 divided into three parts by the elevated costse, the anterior angles rounded, 

 elevated : elytra large, a little dilated before the middle, towards the apex 

 attenuated, the latter acuminated; the disc moderately convex, pale tes- 

 taceous, shining, regularly and deeply punctate-striate : legs pale testaceous, 

 with the joints dusky : antennae pale. 



The largest species of the genus, and distinguished by the acute apex of the 

 elytra from the following insect, to which it is most allied. 



Not uncommon in various places throughout the metropolitan 

 district, occurring in trees and herbage, or near dunghills, in rotten 

 fruits, &c. " Marton Lodge."— Rev. G. T. Rudd. 



Sp 2. angusticollis. Elongatus, brunneo-testaceus, thorace oblongo-quadrato, 

 bicostato, postice angustiore, elytris profunde punctato-striatis, apice obtusis. 

 (Long. corp. 1 lin.) 



La. angusticollis. Schuppel, teste Gyllenhal, iii. 186. 



Elongate, testaceous-brown, or castaneous; with the thorax oblong-quadrate, 

 more slender posteriorly than in the preceding species, the lateral margins 

 irregularly elevated, the disc unequal, punctate, with two elevated costse and 

 a transverse interrupted fovea, as in the foregoing : elytra twice as broad at 

 the base as the thorax, the shoulders much elevated, the sides a little ex- 

 panded, the apex obtusely rounded; disc convex, rather deeply punctate- 

 striated, with the base transversely impressed. 



The smaller size of this species, with the more attenuated thorax, obtuse elytra, 

 and dissimilarity of colour, distinguish this from the foregoing insect. 



Taken near London. 



Sp. 3. rugicollis. Brevior, brunneo-testaceus, thorace quadrato, dorso bicostato, 

 elytris punctato-striatis, apice obtusis, interslitiis alternis costato-elevatis. 

 (Long. corp. f — 1 lin.) 



Ips rugicollis. Olivier. E. ii. pi. 3.f. 19. a. b. 



Rather short, testaceous-brown ; with the thorax quadrate, the anterior angles 

 laterally produced, rounded, not elevated, the sides straight and base trun- 

 cate ; the disc punctate, unequal, with two elevated costse, as in the foregoing 

 species : elytra anteriorly twice as broad as the thorax, the shoulders elevated, 

 the sides rather expanded towards the base, the apex rounded, disc very 



