708 ZOOLOGY INSECTS. 



9. ICHNEUMON SUTUEALIS. 

 Ichneumon suturalis, SAY, Bost. Jonr. Nat Hist., i, 226. 



2 <? 9 specimens; New Mexico, Colorado; Dr. H. C. Yarrow. 



10. TROGUS MELLOSUS, sp. nov. 



<?. Large, honey-yellow, opaque; head and antennse lemon-yellow, 

 tips of the latter and of mandibles black; mesothorax with a brownish 

 longitudinal stripe on each side over tegulse; scutellum and tegulas pale 

 honey-yellow, the former convex, shining, finely punctured; metathorax 

 with sharply defined carinse, the disk elevated, central area lunate, shining; 

 wings yellow, apical margin fuscous, nervures and stigma honey-yellow; 

 legs yellow, femora honey-yellow; abdomen velvety, paler on apical middle 

 of segments; basal incisure of third segment narrowly black; apex of first 

 segment with a prominent shining tubercle on summit. Length, 12 lines. 



1 specimen; New Mexico; collected by T. V. Brown?, 388. 



11. OPHION MACRURUM. 

 Ichneumon macrurus, LINN., Mant., 540. 



I 9 specimen; Eastern Nevada; 1872; Dr. H. C. Yarrow. 



12. OPHION BILINEATUS. 

 OpMon bilineatus, SAY, Contrib. Macl. Lye., i, 75. 



II <? 9 specimens; Eastern Nevada ; 1872; Dr. H. C. Yarrow. 



13. OPHION PURGATUS. 



Ophion purgatus, SAY, Bost. Jour. Nat. Hist., i, 238. 



1 9 specimen; Eastern Nevada; 1872; Dr. H. C. Yarrow. 



14. CRYPTUS CALIPTERUS. 



Cryptus calipterus, SAY, Bost. Jour. Nat. Hist., i, 234. 



1 9 specimen; Arizona; 1873; H. W. Henshaw. 



15. FORMICA PENNSYLVANIA. 



Formica pennsylvanica, DE GEER, Ins., iii, 603. 



2 9 specimens; Colorado, Arizona ; 1873; H. W. Henshaw. 



16. FORMICA RUFA. 

 Formica rufa, LINN., Syst. Nat., ii, 962. 



2 <? specimens; Colorado; 1873; H. W. Henshaw. 



