LATHROBIUM. 281 



b. Thorax brownish-yellow. 



Linear. Brownish -yellow ; fore parts shiny, abdomen 

 dull ; latter darker brown above, except at apex, extremely 

 closely and finely punctured ; elytra distinctly shorter than 

 thorax. L. 2J 1. Very rare. L. pallidum, Nord. 



The variety Jaiisoni, Crotch, is darker in colour, with 

 stronger punctuation and its elytra scarcely shorter than 

 thorax. 



S, Head considerably broader than thorax. 



Flat, elongate. Black ; elytra bright red, with basal 

 third part black ; antennae dark red-brown ; legs black, 

 with tarsi pitch-brown. Thorax half as long again as 

 broad ; elytra half as broad again as, and about one-third 

 longer than thorax, punctured closely and deeply in toler- 

 ably regular rows, especially at l)ase ; abdomen extremely 

 closely and finely punctured. L. 3| 1. Scarce. 



L. angiisticolle, Lac. 



Aclietiimn, 



A, Head and thorax shiny black. 



Elytra red-yellow, with black base ; abdomen black, 

 with red-yellow apex ; legs red-yellow. Punctuation of 

 head and thorax rather closer than in A. Jiumilc, that of 

 elytra, especially at base, more regularly arranged in rows ; 

 latter distinctly longer than thorax. L. 3| — 4 1. Common. 



A. depressum, Gr. 

 J5. Head and thorax red-brown. 



Elytra brown-yellow ; alxlomen pitch-black, witli yel- 

 lowish-red apex ; legs red-yellow. Tliorax rather difiusely 

 and finely punctured ; elytra diffusely punctured in indis- 

 tinct rows, not much longer than thorax. L. 3 — 3^ 1. 

 Not common. A. humile, Nic. 



Cryjytobiuin, 



Narrow. Black, shiny ; antennae brownish, first joint 

 very long ; legs, including anterior coxae, reddish-yellow. 

 Thorax half as long again as broad, with two longitudinal 

 rows of numerous punctures on disc, space between them 

 smooth, sides irregularly, rather diffusely punctm-ed. L. 

 2^1. Common. C.fracticorne,'Paj'k. 



