474 



PAUSSID^. 



portion of pronotum deeply excised 



iu the middle and at sides, so that [p. 492. 



four teeth or processes are evident. . quadricornis, Wasm., 

 B. liaised basal margin of anterior 

 portion of pronotum not quadri- 

 dentate, 



a. Elytra with regular and distinct 



rows of stiff yellowish - white [p. 493. 



bristles sericsetosus, Wasm., 



b. Elytra without regular rows of 



bristles. 



a*. Posterior portion of the pro- 

 notum plainly broader than 

 the anterior portion. 

 «t- Club of antennae with the [p. 494. 



unexcavated margin straight, denticulatus, Westw., 

 b'\. Club of antennae with the un- [p. 495. 



excavated margin rounded. . ijloiophorus, Bens., 

 5*. Posterior portion of the pro- 

 notum narrower, or at least 

 not broader than the anterior, 

 af. Posterior tibiae much thick- 

 ened. 



a%. Club of antennae less 



strongly impressed above . . tibialis, Westw., p. 495. 

 b %. Club of antennae more [p. 496. 

 strongly impressed above . pacificus, Westw., 

 bf. Posterior tibiae not thickened. 

 a%. Posterior margin of the 

 anterior portion of the 

 pronotum not, or scarcely, 

 emarginate before the 

 lateral angles. 

 *. Form narrower ; club of 

 the antennae with the 

 excavation broad ; pu- 

 bescence coarser nauceras, Bens., p. 497. 



**.. Form broader ; club of 

 the antennae with the 

 excavation narrow ; pu- 

 bescence finer politus, Westw., p. 497. 



b%. Posterior margin of the 

 anterior portion of the 

 pronotum plainly emar- 

 ginate before the lateral 



angles assmuthi^Wasm.,^. 498. 



2. Club of antennae long, at least three 

 times as long as broad, subparallel- 

 sided ; colour of the upper surface 

 sharply divided, anterior half black, 



posterior half testaceous bicolor, Raffr., p. 499. 



l. Club of the antennae with the margins 

 not denticulate, but with the lower 



margin finely setigerous cardoni, Wasm., p. 499. 



