PTINKLLA. 36o 



l)io;ul, strongly rounded. L. ^'-^ — -^'V 1. Moderately com- 

 mon. P. apt era, Guer. 



b. Elytra shorter than head and thorax. 



Very elongate, convex. Pale yellow ; scantily covered 

 with sliort pale hairs. Thorax shorter and scarcely broader 

 than head, hroadcst l)efore middle, strongly constricted 

 behind, posterior angles prominent, acute, closely and 

 rather strongly tuberculate ; elytra scarcely broader than 

 thorax, diffusely and rather strongly asperate, apices broad, 

 strongly rounded. L. ^^ — ^ 1. liather common. 



P. any los tula, Gill. 



Pteryx, 



Oval, convex, rather shiny. Colour varying from yellow 

 to chestnut-brown, head and thorax in some cases nearly 

 black, elytra sometimes red, with apices black. Head 

 elongate, tolerably prominent; thorax longer and broader 

 than head, nearly quadrate, posterior angles not produced, 

 obtuse, closely and strongly tuberculate, with larger 

 tubercles here and there ; elytra oval, longer but scarcely 

 broader than head and thorax, strongly and diffusely 

 asperate, interstices deeply reticulate, apices rounded. L. 

 jSg — ^7_. I Rather common. P. suturalis, Heer. 



' Ai'thioxtteryx, 



liather elongate and flat. Brown ; antennae and legs 

 bright yellow; closely covered with short, silky, whitish 

 hairs. Thorax large and wide, broadest before base, deeply 

 alutaceous, not tuberculate, posterior angles strongly pro- 

 duced, acute ; elytra long, narrowed toward apex, sides 

 straight, feebly and very closely a-^rate ; apices obliquely 

 truncate; antennae and legs slender, former with third 

 joint elongate. L. -f^ — ^ 1. Not uncommon. 



A. fiLcicola, Allib. 



TricJi optef'yx, 



A. Posterior angles of thorax more or less strongly pro- 

 duced. 

 a. Thorax distinctly l)roader than elytra. 



I. Head and thorax black, elytra chestnut-brown. 

 Short, broad, very strongly convex, shiny, closely covered 



