GYMNETRON. 145 



h. Femora not toothed. 



X. Sides of thorax and the breast closely covered 

 with whitish-gray or yellowish- white scales ; length 

 1^ — 1| lines. 



A A, Base of thorax bisinnate. 



Black ; elytra and legs dark rust-red ; closely covered 

 throughout (less so on disc of thorax than at sides) with 

 white-gray scales. Sides of thorax rounded ; elytra with 

 indistinct punctured striae. L. IJ 1. Not uncommon. 



G-. villosulus, Gyll. 



JB jB. Base of thorax nearly straight. 



Black ; elytra (except suture and side margin), base of 

 antennae and legs red-brown ; body covered with fine gray 

 hairs, sides of thorax (nearly to middle) and breast with 

 yellowish- white scales. Elytra with indistinctly punctured 

 striae. L. 1^ 1. Moderately common. 



G. heccahungae, Lin. 



11. Sides of thorax (with whole upper and under 

 sides) covered with fine gray hairs ; length f — |- 

 lines. 



1. Elytra black, with red markings. 



Black ; elytra with two oblique red transverse bands, 

 interrupted at suture ; base of antennae, tibiae and tarsi 

 rust-red. Elytra with punctured striae, hairs on interstices 

 in rows. L. | — 1 1. Eather common. G. lahilis, Herbst. 



2, Elytra unicolorous black. 



A A. Tibiae and tarsi red. 



Oblong-ovate, convex. Black, scantily covered with gray 

 hairs ; base of antennae, tibiae and tarsi red. Eostrum 

 parallel-sided, not much curved ; thorax finely punctured ; 

 elytra with deep punctured striae, suture and interstices 

 with rows of bristles. L. | 1. Eare. 



G. rostellum, Herbst. 



JB IB. Tibiae and tarsi black. 



Similar to G. rostellum but with bristles on elytra shorter 

 and more diffusely placed ; rostrum shorter. L. f 1. Not 

 very common. G. melanarius, Germ. 



H, Elytra separately rounded at apex, leaving pygidium 

 wholly uncovered. 



VOL. II. L 



