806 Transactions South African Philosophical Society, [vol. xit. 



Platychelus ruGiONATUs, n. spec. 



Male : ^neous, shining, elytra light chestnut-brown, and clothed 

 on the prothorax, the pygidial pax't, the under side and legs, with 

 very long and dense light fulvous hairs ; head and clypeus granular, 

 clypeus straight laterally, transverse but slightly emarginate in front, 

 and with the angles shai'p but not projecting, the anterior margin is 

 reflexed ; prothorax plainly scabroso-punctate in the anterior half, 

 normally punctate in the posterior, and having a short, shallow, basal 

 longitudinal furrow ; scutellum moderately short, triangular, clothed 

 with fulvous hairs ; elytra not very deeply sinuate laterally but 

 plainly narrowed towards the apex, faintly bi-costulate on each side, 

 but having there two longitudinal impressions, they are irregu- 

 larly punctulate, and nearly glabrous ; pygidium almost sub-hori- 

 zontally declivous forwards ; anterior tibiae bi-dentate outwardly, 

 hind femora robust and having the ti'ochanters produced into 

 a very long sub-vertical spine, hind tibiee slender in propor- 

 tion to the size of the femora, somewhat flattened underneath, 

 slightly curved and ending in a very long, spinose, outer mucro, no 

 apical spur ; claws double, unequal, the stronger one somewhat 

 slender. 



Female unknown. 



This is the only Platychelus having spinose trochanters. 



Length 5 mm. ; width 3 mm. 



Hah. Cape Colony (Namaqualand). 



Platychelus dimidiatus, Burm., 

 Handb, d. Entomol., iv., 1, p. 146. 



Head and prothorax shining bronze ; legs and under side metallic 

 black, shining ; elytra light testaceous, somewhat broadly infuscate 

 laterally in the male, but not in the female, pygidium with a few 

 small greyish appressed hairs in the male, densely hairy with the 

 hairs yellow in the female ; head very scabrose ; clypeus straight, 

 somewhat bluntly angular laterally and covered like the prothorax 

 with a villose greyish pubescence ; prothorax deeply scabroso- 

 punctate ; scutellum with greyish villose hairs ; elytra slightly 

 impressed longitudinally along the suture, but not costulate, deeply 

 and closely punctured, briefly pubescent and having on each side 

 a faint discoidal band of greyish white hairs somewhat remote, and 

 a short and more distinct one along the suture in the posterior part ; 

 propygidium and abdominal segments covered with dense whitish 

 squamose hairs, pectus villose ; hind legs normal, hind claws 

 slender, anterior tibiae bi-dentate. 



