THE MOUNT DESERT REGION 157 



Nysson Latreille 



N. LATERALIS Pack. Salisbury Cove, July 23-25. 



HoPLisus Le Peletier 



H. ATRicoRNis Pack. S. W. Harbor; Salisbury Cove; Bar 



Harbor, July 15-24. 

 H. FLAvicoRNis Pack. Salisbury Cove, July 24. 

 H. siMiLLiNus Smith. Salisbury Cove; S. W. Harbor; Bar 



Harbor, July 17-Aug. 20. 



OXYBELINAE 



OxYBELUS Latreille 



0. QUADRiNOTATus Say. Salisbury Cove, July 23. 

 Crabroninae 



Crabro Fabricius (Thyreopus Ashmead) 



C. MONTicoLA Pack. Salisbury Cove, July 28. 

 C. (Blepharipus) ater Cress. S. W. Harbor; Bar Harbor; 

 Narrows, July 15-Aug. 13. 



Clytochrysus Morawitz 



C. OBscuRus Smith. S. W. Harbor, June 21-July 15. 

 C. septentrionalis Pack. Salisbury Cove, July 24. 



SoLKNius Le Peletier 



S. iNTERRUPTUs Le P. Salisbuiy Cove, July 24. 



EcTEMNius Dahlbom 



E. coRRUGATus Pack. S. W. Harbor, July 11. 



E. MONTANus Cress. Long Pond; Salisbury Cove, July 16-17. 



LoPHOCRABRO Viereck 



L. TRAPEzoiDEus Pack. Bar Harbor, July 19. 



Xestocrabro Ashmead 



X. SAYi Ckll. (Crabro sexmaculata Say, not Oliv.). Common. 



July 10-Aug. 23. 

 X. TRiFASciATUs Say. S. W. Harbor, July 11. 



Hypocrabro Ashmead 



H. cHRYSARGYNus Le P. S. W. Harbor ; Echo Lake; Bar 

 Harbor, July 11-20. 



