Longicorn Coleoptera from China. 61 



collection shows every change from tliose specimens in which 

 there is a simple spot on each elytron to those in which the 

 elytra are completely banded. The latter form, described by 

 Deyrolle as CaUtchro7na? Davidis, cannot therefore be re- 

 garded as even a local variety, much less a distinct species. 



Sympiezocera sinensis^ n. sp. 



S. japoniccB affinis, nigra, hirsuta ; prothorace dorso callosp ; elytris 

 punctatis, fulvo-testaceis, macula magna transversa singulo ad 

 medium et tcrtio apicali, nigris ; antennis corpora ( d ), vel cor- 

 poris dimidio ( $ ), paulo longioribus. 



Long. 20 mm., lat. 6 mm. 



Hah. China. 



Black, with fine and sparse greyish-fulvous hairs every- 

 where, very sparse on the elytra. Prothorax broadest a little 

 before the middle, narrowest at the base, less expanded at the 

 sides in the female, with five smooth callosities on the disk. 

 The elytra fulvous testaceous, and having an incomplete 

 fascia across the middle, made up of two large, black, trans- 

 verse spots, which extend, one on each side, from the margin 

 almost up to the suture. The apical third of the elytra is also 

 black. Antennge in the male black, a little longer than the 

 body, in the female dark brown and reaching about the 

 middle of the elytra. Posterior thighs in the male a little 

 shorter than the elytra, in the female much shorter. _ 



A single female in the British-Museum collection ; two 

 males in Mr. Leech's collection. 



Purpuricenus Pi'atti, n. sp. 



Niger ; prothorace sanguineo, dorso maculis quinque nigris— dua- 

 bus antice et tribus postice, lateribus medio spinosis ; elytris san- 

 guiueis, maculis tribus nigris, duabus ante medium, tertia com- 

 munis, maxima, rotundata, pone medium ; antennis ( $ ) corpori 

 sequalibus, ( d ) duplo longioribus. 



Long. 18—20 mm. 



Hab. China. 



Black, excepting the prothorax and elytra, which are red ; 

 the former is sometimes almost wholly red on the underside, 

 sometimes the intercoxal process and the parts surroundmg 

 the coxal cavities are black. There are five black spots on 

 the disk of the thorax, two anterior and three posterior, of 

 which the median one marks the position of a small tubercle. 

 The lateral spines arc in the middle, and the thorax is slightly 



