226 CIIALVBION CURVATL'M. 



and femora wliicli are dark brown ; the posterior legs dark 

 browu , with the trochanters and the base of the tibiae as 

 "well as the aj3ical spines pale yellow. 



The abdomen shining , nearly impanctate and slightly 

 pubescent ; red , with the base of the first segment pale 

 yellow , the middle pitchy ; the extreme apex of the last 

 ventral segment dark brown. The first segment is SAVollen 

 at the apex , curved downwards and about as long as the 

 following segments together. 



A single female from West-Sumatra (van Lansbcrge). 



2. Chahjhion curvatiim , sp. n. cf and 9* 



Most nearly allied to Chalyhion Bengcdense Dalill)., but 

 at once to be distinguished from that species by the pe- 

 tiole of the abdomen which is strongly curved upwards. 



Length 16 — 18 mm.; alar expanse 25 — 29 mm. — The 

 whole insect, except the opaque black flagellum of the 

 antennae, of a dark blue color Avith a purplish hue in 

 certain lights, especially on the metathorax and abdomen. 

 The head , thorax , petiole of the abdomen , coxae and under 

 surface of the trochanters and femora covered with erect 

 long whitish hairs ; no spot of dense silvery pubescence on 

 the apex of the metathorax above the coxae of the poste- 

 rior legs. 



The face densely punctured ; the vertex and cheeks spa- 

 ringly punctured and therefore shining ; the pronotum , 

 scutellum and postscutellum rather sparingly, the mesono- 

 tum more densely punctured ; the disk of the metathorax 

 finely, the inclined portion more coarsely transverse-rugose, 

 intermixed with punctures. The sides of the thorax ir- 

 regularly covered with deep punctures. The tegulae smooth 

 and shining , impunctate ; the wings fuscous, less dark towards 

 the base , with a purple iridescence. The petiole of the 

 abdomen strongly curved upwards. 



Two males and two females from Japan (von Siebold). 

 Leyden Museum, August 1880. 



JNotes from the Leyden JMuseiiin, Vol. II. 



