'.'^ 8KRRTCORNIA. [At linn*. 



twice as long ns second ; third joint of tarsi smnll 



but distinct; si zo larger A. DIFPOUMIS, Lac. 



ii Anterior cozie rather widely distant ; sexual difier- 

 enres not striking. 



1. Tarsi with the second and third joints lobed, the 



fourth simple almost concealed. 



A. Colour as o rule darker and more nnicolorous ; 

 punctuation of thorax stronger; third joint of 



antenna; plainly longer than second A. HJ?MOBBiroiDALls, F. 



B. Colour as a rule lighter, margins and posterior 

 angles of thorax often reddish -yellow ; punctua- 

 tion of thorax less strong; third joint of an- 

 tenna? very little longer than second .... A. VITTATUS, F. 



2. Tarsi with the second to the fourth joints de- 

 creasing gradually in length, scarcely visibly lobed ; 

 antenna; with the third joint not much longer 



than second A. STTBFUSCUS, Mill/. 



A. rhombens, 01. A large and conspicuous species, of a dark 

 brown, ferruginous, or reddish-yellow colour, with the head and thorax 

 sometimes darker, clothed with rather long greyish pubescence ; head 

 rather strongly punctured, forehead deeply impressed, antennae as long 

 as head and thorax, ferruginous or rufous, serrate, last joint with con- 

 tracted and conical apex ; thorax rather flat, longer than broad, with 

 sides subparallel, narrowed in front, posterior angles projecting, 

 carinute, upper surface strongly punctured, sparingly on disc, thickly 

 at sides; scutellum large and long, rather convex; elytra slightly 

 broader than thorax, long, subparallel, very gradually narrowed to 

 apex, with tli# pubescence in fresh specimens thicker behind middle, 

 and more or less abraded, the smooth space presenting the appearance of 

 an obscure V ; the striaj are rather deep, and the interstices slightly 

 convex and not closely but distinctly punctured; legs reddish-testa- 

 ceous. L. 16-18 nim. 



In decaying trees and logs ; nlso by sweeping bracken ; rare ; Lea Woe d 

 (Stephens) ; Lyndhuret and Brockenhurst, New Forest ; Sherwood Forest ; Dunham 

 Park (Chappell) ; the only specimen I ever captured was taken about the last day 

 of July 1877 in the New Forest on bracken. 



A. nigrer, L. Deep black, shining, more strongly convex in the 

 female than in the male, eubparallel, clothed with greyish pubescence 

 which is long and thick on the elytra; head distinctly and rather 

 strongly punctured, forehead depressed, antennae rather long, black, 

 serrate, third joint much longer than second ; thorax sinuate before 

 posterior angles, which are carinate, finely punctured, more closely at 

 sides than on disc, with traces of a central furrow often present ; elytra 

 rather broader than thorax, with sides very slightly rounded, and 

 gently and gradually narrowed from posterior third to apex which is 

 broad, striae fine and shallow, interstices more or less raised in middle, 

 finely punctured ; legs block, apex of tarsi often more or less reddish. 

 L. 9 14 rum. 



