HEDYCHKIDIUM. HEDYCHBUM. 427 



508. Hedychridium minntum, Lepel (Hedychrum), Ann. Mm. Hist. 

 Xat. vii (1806), p. 122, pi. 7, fig. 9, <J ; du Btiysson, Rev. iCEnt. 

 (1900), p. 128. 

 ? Chrysis ardens, C'oquelert, Illnstr. Icon. Ins. dec. ii (1801), p. 59, 



pi. xiv, fig. 7. 

 i 



$ d" Head and thorax green, with more or less of cupreous 

 effulgence on the vertex, the pronotum posteriorly, and on the meso- 

 notuni and scutellum ; postscutellum light green, in certain lights 

 cupreous golden ; the face, pronotum anteriorly, and sides of the 

 thorax green without any golden effulgence ; abdomen on the discs 

 of the segments fiery cupreous golden, the sides and base in certain 

 lights greenish golden ; head and thorax moderately finely punc- 

 tured, the punctures larger and reticulate on the postscutellum ; 

 abdomen minutely and closely punctured ; facial cavity minutely 

 rugulose; pilosity brown, short and sparse. Head a little broader 

 than the pronotum, the occiput and front from above flat and 

 transverse ; vertex convex ; facial cavity shallow ; antennas 

 short, moderately thick ; 2nd joint of the flagellum longer than 

 the 1st or 3rd ; clypeus moderately long and broad, raised in the 

 middle. Thorax : the pronotum from above longer than the head, 

 transverse, slightly sloping in front, sides convergent anteriorly ; 

 propleura? slightly excavate ; mesonotum and scutellum gently 

 convex : mesopleurae flat, subtriangular ; postscutellum strongly 

 convex, somewhat gibbous posteriorly; posterior lateral angles of 

 median 1 segment largely produced, acute at apex ; wings slightly 

 fu^co-hyaline beyond the disc, which is clear hyaline; nervures 

 and tegulae aeneous brown. Abdomen broad, proportionately 

 massive, transverse at base, the apical margin rounded, entire. 



Length, $ tf 4-4'75 ; exp. 8 - o mm. 



Hah. Reported from Calcutta ( teste du Buysson) ; spread through 

 the whole of Europe. The above description is taken from a 

 European specimen in the collection of the British Museum. 



Genus HEDYCHRUM. 

 Hedychrum, Lair. Hist. Nat. Crust. Ins. iii (1802), p. 317. 



Type, H. nobile, Scop., from Europe. 



Range. Both hemispheres. 



5 cJ . Head transverse, much shorter than the pronotum : 

 occiput transverse, closely approximate to the front of the 

 pronotum ; vertex and front convex ; facial cavity deep, in all 

 species finely transversely striate ; antennae moderately long, 

 filiform or setaceous ; mandibles bidentate or tridentate. Thorax 

 short, massive, broad ; in all the Indian species known to me the 

 pronotum is longer than the mesonotum, transverse, almost square. 

 slightly convex above ; propleurrc more or less excavate ; meso- 

 notum and scutellum gently convex ; mesopleura? convex, trian- 

 gular, not carinate, the apex" not excavate ; postscutellum strongly 

 convex, from above more or less semicircular ; median segment 



