CATALOGUE OF INSECTS. 507 



Family VIII XYLOCOPIDiE. 



XYLOCOPA Latr. 



X. virginica Dru. The large carpenter bee : common all over the State in 

 May and June. Makes holes half an inch in diameter in boards or beams 

 about porches, sheds, &c. 



Family IX MEGACHILIDiE. 



Sub-family I OSMUND. 



Large-headed, chunky bees, usually blue or green in color. 



TRYPETES Schenck. 



T. carinatum Cress. Camden Co., VII, 12 (Fox), "New Jersey" (Cress 



Coll). 

 T. variolosum Cress. Should occur in New Jersey. 



ALCIDAMEA Cress. 

 A. producta Cress. Lahaway, VI (3m), Westville (Fox), Caldwell (Cr). 



CERATOSMIA Thomson. 

 C. lig-naria Say. Caldwell (Cr), " New Jersey " (Cress Coll). 



OSMIA Panz. 



O. atriventris Cress. Flatbush, N. Y., VI, 9 (Zabriskie), Philadelphia, V, 



12 (Fox), " New Jersey " (Cress Coll). 

 O. cognata Cress. = a var. of canadensis Cress. (Ckll) ; should be found 



in New Jersey. 

 O. faceta Cress. New Jersey, probably. 

 O. frigida Smith. New Jersey, probably. 

 O. latitarsis Cress. = female of bucephala Cress. (Ckll) ; should occur in 



New Jersey. 

 O. purpurea Cress. Should occur in New Jersey. 

 O. simillima Smith. Monmouth Co., V, 28 (Fox). Caldwell (Cr). 

 O. chalybea Smith. New Brunswick, IV, V (Sm). 



NOTHOSMIA Ashm. 



N. albiventris Cress. Caldwell (Cr), "New Jersey" (Cm). 



N. rustica Cress. Camden Co. (Fox), Nyack, N. Y. (Zabriskie). 



N. vicina Cress. Philadelphia, V, 28 (Fox). 



N. distincta Cress. Philadelphia, V, 12, Camden Co. (Fox). 



