TETRATOMA. 339 



II, Tarsal claws toothed. 



Head bent downward, only slightly visible from above ; 

 last joint of maxillary palpi hatchet-shaped, elongate, third 

 joint triangular, nearly transverse ; eyes rather large, emar- 

 ginate ; thorax transverse, all angles rounded ; scutellum 

 large, elongate triangular, rounded behind ; elytra elongate, 

 parallel-sided, rather flat; mesosternum reaching only to 

 the half of the intermediate coxae ; body soft, finely pu- 

 bescent. Male with antennae longer than half body; 

 posterior femora much thickened and curved, posterior 

 tibiae ending on inner-side in a strong process and tarsal 

 claws short, broad, trifid at apex. Female with antennae 

 not longer than half body ; posterior femora simple ; pos- 

 terior tibiae without apical process and tarsal claws appen- 

 diculate, their terminal division simple. Osphya, 111. 



Tetratoma. 



A. Elytra blackish-green or blue-black. 



a» Thorax reddish-yellow. 



Head and last four joints of antennae black ; under-side 

 reddish-yellow. L. 2 — 2\ 1. Moderately common. 



T. fungorum, Fab. 

 &. Thorax blackish-green. 



Blackish-green ; antennae, palpi and legs more or less 

 reddish. L. 2 1. Scarce. T. Desmaresti, Latr. 



JB. Elytra reddish-yellow-brown, with black spots and 

 bands. 



Reddish-yellow-brown ; apical joints of antennae, under- 

 side and some spots on elytra black. L. IJ 1. Not un- 

 common, T. an cor a, Fab. 



OrcJiesia, 



A, Elytra unicolorous or lighter toward apex. 



a* Abdomen reddish-yellow ; length 2 — 2| lines. 



Upper-side brown, with silky pubescence ; under-side 

 pitch-brown ; abdomen and legs reddish-yellow. Base of 

 thorax produced in middle and very slightly impressed on 

 each side ; punctuation fine and close, in wrinkles. Com- 

 mon, 0. mi cans, Panz. 



z 2 



