inhabiting the Arctic Region. 409 



Omphale ^tius, Entedon ^Etius, Monog. Chal. i. 78. Alten, Fin- 

 mark. 



Euderus Amphis, Entedon Amphis, Monog. Chal. i. 106. Alten, 

 Finmark. 



Tctrastichus Tyrtieus, Cirrospilus Tyrticus, Monog. Chal. i, 306. 

 Alten and Hammerfest, Finmark. 



Tetrastichus Faucula, Cirrospilus Faucula, Monog. Chal. i. 310. 

 Alten, Finmark. 



Tetrastichus Lacliares, Cirrospilus Lachares, Monog. Chal. i, 300. 

 Alten, Finmark. 



Tetrastichus Phincus, Cirrospilus Phincus, Monog. Chal. i. 303. 

 Alten, Finmark. 



Tetrastichus Idothea, fem. Cyaneus ceneo ct viridi varius, abdomlne 

 cupreo aut purpureo, antennis nigris, pcdibus fulvis piceo aut nigro 

 cinctis, alls limpidis. (Corp. long. lin. ^ ; alar. lin. li.) 



Body slender : head and thorax convex, finely squameous : head 

 transverse, blue, as broad as the thorax ; vertex broad, seneous-green ; 

 front impressed : eyes of moderate size, not prominent : antenna; 

 black, slender, slightly setaceous, as long as the thorax ; first joint 

 long, slender, slightly curved ; second cyathiform ; fourth and follow- 

 ing joints successively narrower : thorax elliptical: prothorax trans- 

 verse, very short : scutum of the mesothorax broad, blue ; sutures of 

 the parapsides distinct, approaching each other ; scutellum obconic, 

 reneous-green ; axillae not comi)lete : metatliorax very short : propo- 

 deon green, obconic, declining, of moderate size : podeon short : 

 abdomen oval, cupreous, depressed above, slightly keeled beneath, 

 rather shorter than the thorax ; metapodeon green, of moderate size ; 

 octoon and following segments transverse, short : legs fulvous, 

 slender ; coxse green ; a broad piceous stri])e across each thigh and 

 tibia ; tips of the tarsi piceous : wings limpid ; nervures fulvous ; ulna 

 longer than the humerus ; radius very short ; cubitus rather longer 

 than the radius ; stigma very small. 



Var. /3. Thighs black. 



Var. y. Thighs black : abdomen purple, its base aeneous. 



Alten, Finmark. 



Diglyphus Chabrias, Cirrospilus Chabrias, Ann. Nat. Hist. i. 451. 

 Alten, Finmark, 



Aprostocetus Catius, Cirrospilus Catius, iVo/zo^. Chal. i. 323. Al- 

 ten and Hammerfest, Finmark. 



Aprostocetus Anyta, Cirrospilus Anyta, Ann. Nat. Hist. iii. 417. 

 Hammerfest, Finmark. 



Dicladocerus Westwoodii, Eulophus Wcstwoodii, Monog. Chal. i. 

 157. Hammerfest, Finmark. 



Eulophus Eucrate, Monog. Chal. i. 176. Hammerfest, Finmark. 



Eulophus Idrieus, fem. Viridis, abdominis disco purpt/reo, antennis 



nigris, pedibus viridibus, tarsisflavis, alls limpidis. (Corp, long. 



lin. 1 ; alar. lin. If.) 



Body slender, green, shining : head and thorax convex, finely 



squameous : head transverse, not quite so broad as the thorax ; ver- 



