PL A.T Y RHOPALUS . 



459 



2. Size smaller (0 mm.); form broader; 

 elytra with the marginal setre 

 long 



ii. Pronotum less strongly transverse, 



much constricted behind middle. 



1. Size larger ; form oblong, broader ; 



pronotum broader 



2. Size smaller : form subcylindrical, 



narrower ; pronotum narrower . . 



iii. Pronotum not transverse, at least as 



loug as broad, only slightly con- 

 stricted behind middle. 



1. Margins of club of the antennae 



even 



2. Margins of the club of the antenme 



uneven 



II. Club of antennae oblong, rounded at 

 apex and truncate at base, twice as 

 long as broad. 



i. Size larger (9 mm.) ; elytra with at 



most two or three minute or more 

 or less obsolete reddish yellow spots 

 behind the middle 



ii. Size smaller (7 mm.) ; elytra with a 



large, dentate, irregular yellowish 

 ferruginous transverse band on each 

 before the apex, meeting at the 

 suture 



cardoni, Wasm., p. 4G0. 



westwoodi, Saund., p. 462. 

 paussoides, Wasm., p. 46.3. 



angustus, Westw., p. 461. 

 intermedins, Bens., p. 462. 



mandersi, sp. n., p. 464. 



comotti, Gestro, p. 464. 



225. Platyrhopalus denticornis, Don. 



Paussus denticornis. Donovan, Ins. Ind. i, 1800, p. 8, pi. 5, fig. 1. 

 Phdyrhojxdus denticornis, Westwood, Trans. Linn. Soc. Lond. xvi, 



1838, p. 657, pi. 33, figs. 43-48 ; id., Arcan. Ent. ii, 1845, p. 77, 



pi. 68, fig. 1; Burmeister, Mag. Zool. 1841, Ins. pi. 76, fig. 2; 



Lacordaire, Gen. Col. Atlas, pi. 14, fig. 3 ; Wasmann, Notes 



Leyden Mus. xxv, 1904, p. 19, pi. 3, fig. 2. 

 Var. Platyrhopalus anicolor, Westwood, Trans. Linn. Soc. Lond.xvi, 



1838, p. 659, pi. 33, fig. 49; id., Arcan. Ent. ii, 1845, p. 79, 



pi. 68, fig. 4. 



Colour variable, rufo-castaneous, the elytra dark, with a more 

 or less broad longitudinal patch on each side of the suture, usually, 

 but not always reaching the base, and with a smaller patch behind 

 the middle, and ail the margins rufous or rufo-castaneous, or rufo- 

 castaneous with obscure darker markings on the elytra, or entirely 

 rufo-castaneous ; head broader than long, with the eyes promi- 

 nent, more or less distinctly channelled ; antennas with the first 

 joint broad and stout and the second broadly oval, the length and 

 breadth being about equal, convex above and below, the margins 

 compressed and acute, base above with a transverse impression 

 ending in a small incision which leaves on the side nearest the 

 first joint a small, distinct, but not sharp tooth, which is rounded 



