66 ENTOMOLOGICAL NEWS. [March, '02 



LOCALITIES MENTIONED. 



Aspinwall, a suburb of Allegheny City, on the Alleghany 

 River. 



Chartiers Creek, a tributary of the Ohio, Alleghany County. 



Confluence, Somerset County ; the Yough, Castleman and 

 Laurel Hill Creek join here to form the Youghiogheny River. 



Idlewild, Westmoreland County, on the Loyalhannah Creek. 



New Brighton, Beaver County. 



Ohio Pyle, Fayette County, on the Youghiogheny River. 



Pine Creek, a tributary of the Allegheny River in Alleghany 

 County. 



Rockwood, Somerset County on the Castleman River. 



Schenley Park, Pittsburg. 



Silver Lake, a pond within the city limits of Pittsburg. 



Squaw Run, a tributary of the Allegheny River in Alle- 

 ghauy County. 



Turtle Swamp, along the Ohio River near Pittsburg, almost 

 filled at the present time. 



i Calopteryx maculata Beauvois. 



Alleghany County, June and July (C. Daggette, A. S. Brent, 

 J. L. Graf, R. F. Foerster, and D. A. Atkinson) ; Chartiers 

 Creek, May 28, 1899; Squaw Run, August 28, 1898; New 

 Brighton, May 28, 1899 (H. D. Merrick) ; Couneaut Lake, 

 August 6, 1899 (D. A. Atkinson) ; Idlewild, May 30, 1899, 

 and July 10, 1900 (D. A. Atkinson) ; Ohio Pyle, June 18, 

 1899, an d June 25, 1900 ; Rockwood, June 29, 1900 ; Con- 

 fluence, June 30, 1900. A widespread species but less com- 

 mon in Fayette and Somerset counties, at least along the 

 streams, than the next. 



2. Calopteryx angustipennis Selys. 



Ohio Pyle, June 18 and July 2, 1899, and June 24-July i, 

 1900 ; Confluence, June 30, 1900 ; Rockwood, June 29, 1900. 

 A female of this species was taken feeding on a teneral male 

 of Enallagi/ta e.vsnlans, On two occasions males were seen to 

 seize females by the prothorax. Each male after alighting and 

 resting for a few seconds, still holding the female, then pro- 

 ceeded to fill the seminal vesicle, an operation requiring ten or 



