inhabiting the Arctic Region. 339 



Gastrancistrus Panares, fem. Cyaneo-viridis, antennis nigris, ovi- 

 ductu exerto abdominis dimidio vix breviore, pedibus ftdvis.femo- 

 ribus viridibus, alls subfuscis. (Corp. long. lin. f ; alar. lin. 



H-) 



Body bluish green : head and thorax convex, shining, very minutely 

 squameous, almost smooth : head transverse, as broad as the thorax ; 

 front vertical : antennae black, clavate, not longer than the thorax : 

 thorax robust, elliptic : prothorax transverse, narrower in front, its 

 breadth much more than twice its length : scutum of the meso- 

 thorax rather long ; sutures distinct, approaching each other ; scu- 

 tellum rhomboidal : metathorax transverse, very short : propodeon 

 obconic, decumbent : podeon very short : abdomen much compressed, 

 smooth, a little longer than the thorax but not half its breadth : 

 oviduct fulvous ; sheaths fuscous, nearly half the length of the abdo- 

 men : legs dark fulvous ; coxae and thighs green : wings slightly 

 fuscous ; nervures piceous ; humerus much less than half the length 

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

 radius a little longer than the ulna; cubitus more than half the 

 length of the ulna ; stigma of moderate size, emitting a short branch. 



Alten. 



Eutelus inornatus (Ent.Mag. ii. 363). Alten. 

 Pteromalus Crocale (Monog. dial. i. 239). Alten. 

 Pteromalus sylvicola {Ent.Mag. ii. 481). Alten. 



Pteromalus lera, mas. Cyaneo-viridis, abdomine cupreo, antennis 

 piceis, pedibus flavis, femoribus fulvis, alis limpidis. Fem. Ab- 

 domine cyaneo-viridi, disco purpureo, antennis nigris, pedibus ful- 

 vis, femoribus viridibus. (Corp. long. lin. 1^ — 1|; alar. lin.2i 

 -2i.) 

 Male. — Body long and slender : head and thorax bluish green, 

 convex, finely squameous : head a little broader than the thorax : 

 antennae piceous, filiform, slender ; first joint yellow, long, slender, 

 piceous towards the tip ; second cyathiform ; third and fourth very 

 minute ; fifth and following joints to the tenth long, linear, suc- 

 cessively but slightly decreasing in length ; club fusiform, more than 

 twice the length of the tenth joint : thorax elliptical : prothorax very 

 short : scutum of the mesothorax rather long ; sutures of the par- 

 apsides very indistinct; axillae large, triangular, not conniving; scu- 

 tellum rhomboidal : metathorax very short : propodeon large, obco- 

 nic, almost horizontal, having a rim on each side and a ridge along 

 the middle : podeon very short : abdomen linear, smooth, shining, 

 cupreous, a little narrower but not shorter than the thorax, having 

 an indistinct yellow^ spot towards the base which is bright green ; 

 metapodeon occupying about one-fourth of the dorsum ; octoon not 

 hali' the length of the metapodeon ; ennaton as long as the octoon ; 

 decaton a little longer than the ennaton; protelum as long as the 

 decaton ; paratelum longer than the protelum ; telum short : legs 

 bright yellow ; coxae green ; thighs fulvous ; tips of the tarsi fuscous : 

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



