340 Mr. P. Walker on the species of Cbalciclites 



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

 radius nearly as long as the ulna ; cubitus much shorter than the 

 radius ; stigma small, emitting a short branch. 



Female. — Head as broad as the thorax : antennae black, slender, 

 clavate, shorter than the thorax ; first joint long, slender ; second 

 cyathiform ; third and fourth very minute ; fifth and following joints 

 to the tenth successively shorter and broader ; club elliptical, broader 

 than the tenth joint, and more than twice its length : abdomen fusi- 

 form, nearly as long as the thorax, bluish green, purple along the 

 disc, concave above, keeled beneath ; mctapodeon occupying a 

 little more than one-third of the dorsum ; octoon and the following 

 segments short, but successively increasing in length : legs fulvous ; 

 thighs green ; tips of the tarsi piceous. 



Alten and Hammerfest. 



Pteromalus Musaeus, fem. ^neus, antennis basi fulvis, pedibus 

 fulvis, femoribus vh'idibus, tibiis apice tarsisque fiavis, alls lim- 

 pidis. (Corp. long. lin. If; alar, lin, 2^.) 



Body seneous, very robust : head and thorax convex, finely squa- 

 meous : head transverse, as broad as the thorax : antennae fulvous .'' ; 

 first joint long, slender ; second cyathiform : thorax oval, very thick, 

 broader before than behind : prothorax transverse, very short : scu- 

 tum of the mesothorax broad ; sutures of the parapsides very in- 

 distinct, approaching ea.ch other ; axillaj large, triangular, not con- 

 niving ; scutellum rhomboidal : metathorax very short : propodeon 

 transverse, decumbent : podeon extremely short : abdomen elliptical, 

 smooth, shining, attenuated at the tip, flat above, keeled beneath, 

 much longer and narrower than the thorax ; metapodeon of moderate 

 size, less than one -fourth of the length of the abdomen ; octoon 

 much shorter than the metapodeon ; ennaton, decaton and protelum 

 each as long as the octoon ; j^aratelum longer than the protelum ; 

 telum as long as the paratelum : legs fulvous ; coxae and thighs green ; 

 tarsi and tips of the tibiae yellow : wings limpid ; nervures fulvous ; 

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

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

 ulna ; cubitus much shorter than the ulna ; stigma small, emitting a 

 very short branch. 



Alten. 



Pteromalus Pyttalus, fem. JEnetis, antennis piceis, pedibus fulvis, 

 femoribus viridibus, tarsis flavis, alls obsolete fuscis. (Corp 

 long. lin. f — 1 ; alar. lin. 1;^;— 1|.) 



Body aeneous, short : head and thorax convex, finely squameous : 

 head rather large, a little broader than the thorax : antennae dark 

 piceous, clavate, as long as the thorax ; first joint long, slender 

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

 ing joints to the tenth successively shorter and broader ; club conical 

 more than twice the length of the tenth joint : tliorax oval : pro 

 thorax transverse, very short : scutum of the mesothorax short 

 broad ; sutures of the parapsides very indistinct ; scutellum rhom 



