338 Mr. F. Walker on the species of Chalcidites 



its breadth about twice its length : scutum of the mesothorax very- 

 long ; sutures of the parapsides very distinct, approaching each 

 other , axilliB large, triangular, not conniving ; scutelliim rhom- 

 boidal, having a transverse suture near the tip, between which and 

 the suture it is furrowed longitudinally : metathorax very short : 

 propodeon large, obconic, slightly decumbent : podeon stout, short : 

 abdomen linear, flat, shining, very minutely squameous, shorter and 

 narrower than the thorax ; metapodeon concave, occupying nearly 

 one-third of the dorsum ; octoon very short ; ennaton a little longer 

 than the octoon ; decaton still longer ; protelum longer than the 

 decaton ; paratelum shorter than the protelum ; telura short : legs 

 fulvous ; COXES and hind thighs green ; fore and middle thighs green 

 toward the base ; tips of the tarsi fuscous : wings limpid ; uervures 

 piceous ; humerus much shorter than half the length of the wing ; 

 ulna less than half the length of the humerus ; radius nearly twice 

 the length of the ulna ; cubitus much shorter than the ulna ; stigma 

 of moderate size, emitting rather a long branch. 



Female. — Head cupreous : antennas like those of the male ; club 

 fusiform, twice the length of the tenth joint : abdomen green, varied 

 with cupreous, fusiform, concave above from the base till towards 

 the tip, keeled beneath, a little shorter and narrower than the tho- 

 rax ; metapodeon occupying rather more than one-fourth of the 

 dorsum ; octoon about half the length of the metapodeon ; ennaton 

 as long as the octoon ; decaton as long as the ennaton ; protelum 

 shorter than the decaton ; paratelum shorter than the protelum ; 

 telum short. 



Alten. 



Seladerma Saurus, fem. Cyaneum, antennis piceis, pedibus flavis, 

 alls limpidis. (Corp. long. lin. 1|^ ; alar. lin. 2^.) 



Body blue : head and thorax convex, finely squameous : head a 

 little broader than the thorax : antennae piceous, subclavate, as long 

 as the thorax ; first and second joints blue ; first joint long, slender ; 

 second cyathiform ; third and fourth very minute ; fifth and follow- 

 ing joints to the tenth successively shorter and broader ; club fusi- 

 form, twice the length of the tenth joint : thorax oval : prothorax 

 transverse ; its breadth much more than twice its length : sutures of 

 the parapsides very distinct, approacliing each other ; axillse large, 

 triangular, not conniving ; scutellum rhomboidal : metathorax trans- 

 verse, very short : propodeon obconic, declining : podeon very short : 

 abdomen fusiform, smooth, shining, concave above, slightly keeled 

 beneath, narrower ana very much longer than the thorax ; metapo- 

 deon large ; octoon and the following segments of moderate size : 

 legs yellow ; coxae blue ; tips of the tarsi fuscous : wings limpid ; 

 nervures fulvous ; humerus much less than half the length of the 

 wing ; ulna hardly half the length of the humerus ; radius much 

 longer than the ulna ; cubitus shorter than the ulna, emitting a short 

 branch. 



Alten. 



Seladerma Lalage, Hammerfest. 



