506 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



PHYTOCORID^. 



Trigonotylus, Fieb. 



20. Trigonotylus rvficornis, 



Miris ruficornis, Fallen, Hemipt. Suec. vol. i, p. 133. 

 Trigonotylus rvficornis, Fieber, Europ. Hemipt. p. 243. 



From Pembina, June 29 and July 1. 



Mmis, Fieber. 



21. Miris instahilis. 



Miris inataWis, Uhler, Hayden's Survey, Bulletin, vol. ii, pt. v, p. 50. 

 Obtained in the vicinity of Pembina, July 1. 



LopiDEA, Uhler. 



22. Lopidea media. 



Capsus niedius, Say, Heteropt. p. 22, No. 11. 



Found near Pembina in the vicinity of Mouse Eiver, August 29, and 

 in the Milk Eiver region. 



Lygus, Hahn. 



23. Lygus invitus. 



Capsus invitus, Say, Heteropt. p. 24, No. 21. 

 Captured near Pembina, June 19, and near Turtle Mount, July 24 

 As this species inhabits the blossoms of the wild grapes in the At- 

 lantic region and Mississippi Valley, does it not occur on some other 

 plant in that northern region from which it has now been brought ? 



24. Lygus lineolaris. 



Capsus lineolaris, Palisot-Beauv. Ins. Afr. et Am^r. p. 187, pi. xi, fig. 7. 

 Inhabits Pembina ; Turtle Mount, July 22 ; Mouse Eiver region, 

 Au gust 29 ; and Milk Eiver region. 



25. Lygus lineatus. 



Lygceus lineatus. Fab. Entom. Syst. Suppl. p. 541, No. 324; Syst, Rhyng. p. 234, 



No. 152. 

 Capsus 4'Vitattus, Say, Heteropt. p. 20, No. 5. 



Appears to be common in many parts of the Northwest, on the east- 

 ern side.of the Eocky Mountains. The present specimens were collected 

 near Pembina, July 1 to 15. 



26. Lygus dislocatus. 



Capsus dislocatus, Say, Heteropt. p. 21, No. 6. 



One specimen of the red variety was obtained at Pembina, June 29. 



Calocoris, Fieb* 



27. Calocaris rapidus. 



4 



Capsus rapidus. Say, Heteropt. p. 20, No. 4. 



Collected in the vicinity of Turtle Mount, July 24. 



