DEROCRANIA. 



289 



70. Derocrania schaumi, W. Horn. 



Derocrania schaumi, W. flora, Deutsche Ent. Zeitschr. 1892, p. G7. 



Very like D. scitiscabra, Walk. ( = #. doJirni, Chaud.), which it 

 closely resembles in colour and sculpture ; but it may at once be 

 known by the formation of the head, which is smooth, with no 

 deep arcuate excavation behind the frontal sulci ; the pronotum 



Fig. 129. — Derocrania schaumi. 



has a much shorter and more indistinct collum, the dilated'part 

 passing into it quite gradually, and the elytra are more distinctly 

 foveolate, and are (in the only specimen I have seen) at their 

 widest further behind the middle; the base, however, is [less 

 rugosely sculptured. 



Length 16 millim. 



Ceylon. 



71. Derocrania nematodes, Schaum. 



Derocrania nematodes, Schaum, Journ. Ent. 1863, p. 61, pi. 4, fig. 1. 



Elongate, metallic, aeneous or greenish aeneous, or with a steely- 

 blue reflection ; head large, distinctly excavate, with the space 

 between the eyes smooth and slightly convex ; the frontal sulci 

 proper are strong and curved, and the supra-orbital striae are more 

 or less strongly marked ; the space behind the eyes is rather long 



