334 Mr. F. Walker on the species of Chalcidites 



head a little broader than the thorax : antennae black, subclavate, as 

 long as the thorax ; first joint long, slender, green ; second cyathi- 

 form ; third and fourth very minute ; 5th and following joints to the 

 tenth successively shorter and broader ; club fusiform, broader than 

 the tenth joint and more than twice its length : thorax fusiform : 

 prothorax transverse, rounded in front ; its breadth more than twice 

 its length : scutum of the mesothorax rather long ; sutures of the 

 parapsides very distinct ; axillse large, triangular, approaching near 

 to each other ; scutellum rhomboidal, having a transverse suture 

 near its hind border : metathorax transverse, very short : propodeon 

 large, obconic, slightly declining : podeon stout, short, not more 

 than half the length of the propodeon : abdomen oval, blue, smooth, 

 shining, keeled beneath, and thence forming an abrupt angle to the 

 tip, hardly more than half the length of the thorax ; metapodeon 

 occupying about one-third of the dorsum, shghtly concave towards 

 the base ; octoon not half the length of the metapodeon ; ennaton 

 shorter than the octoon ; decaton still shorter ; protelum as long as 

 the decaton ; paratelum and telum very short : legs yellow ; coxse 

 green ; thighs green towards the base ; tips of the tarsi fuscous : 

 wings limpid ; nervures fuscous ; humerus much less than half the 

 length of the wing ; ulna more than half the length of the humerus ; 

 radius much longer than the ulna ; cubitus much shorter than the 

 ulna ; of moderate size, emitting a short branch. 

 Alten. 



Lamprotatus Cleta, mas. Viridis, abdomine aneo, antennis fuscis, 

 pedibus flavis, mesopedum tarsis fuscis, alls albis. (CorjJ. long, 

 lin. I ; alar. lin. 1^^.) 



Male. — Body convex, rather slender : head and thorax green, finely 

 squameous : head a little broader than the thorax, slightly impressed 

 in front : antennae fuscous, slender, filiform, a little longer than the 

 thorax ; first and second joints green ; first long, stout ; second cya- 

 thiform, piceous ; third and following joints to the tenth long, linear, 

 successively decreasing in length ; club fusiform, pointed, twice the 

 length of the tenth joint : thorax elliptical : prothora.K transverse, 

 rounded in front, much narrower than the mesothorax ; its length 

 somewhat less than half its breadth : scutum of the mesothorax rather 

 long ; parapsides prominent, their sutures very distinct ; axillae large, 

 triangular, approaching near to each other ; scutellum somewhat 

 rhomboidal, very convex : metathorax transverse, very short : pro- 

 podeon rather large, declining, obconical : podeon stout, very short : 

 abdomen smooth, shining, aeneous, flat, nearly linear, tinged with 

 purple, a little shorter and narrower than the thorax ; metapodeon 

 occupying less than one-third of the dorsum ; octoon, ennaton, deca- 

 ton and protelum of moderate and nearly equal size ; paratelum and 

 telum short : sexual parts long, piceous : legs bright yellow ; coxas 

 green ; hind thighs piceous towards the base ; tarsi and tips of the 

 tibiee of the middle legs fuscous : wings white, rather short ; nervures 

 fulvous ; humerus much less than half the length of the wing ; ulna 

 more than half the length of the humerus ; radius much longer than 



