l66 YORKSHIRE NATURALISTS' UNION. 



Erebia aethiops (Esp.). Grassington, in profusion {E.P.B.). 

 Mr. Butterfield writes : — ' Whilst sat down on the top of one 

 of the scars, E. athiops frequently settled upon my hand, 

 and they would remain for some time when I kept perfectly 

 motionless ; later on in another part of the wood the 

 same habit was repeated.' Grassington, common, August 

 Bank Holiday {F.B.). 



Pararge egeria. A few, Sledmere {S. W. and W.H.). 



Pararge megsera. Grassington {F.B.). 



Satyrus semele. (grassington (i^^.); Kirbymoorside (^4.^.). 



Epinephele tithonus. Grassington {F.B.). ; Everingham, 

 several near station, August Bank Holiday {CD. A. and 

 IV.H.). 



Epinephele hyperanthus. Abundant, Sandburn {W.H.). 



Chortobius typhon. Common, Thorne Moor, Jubilee Day 

 (/ IV.B. and Porter). 



Thecia betulas. Helmsley, three captured, two males and 

 one female {A. A.). 



ThecIa w-album. Helmsley (6". fF.). 



Lycaena argiolus. Fairly common, Rotherham {J.H.). 



Lycaena astrarche (Bgstr.). Sawdondale, August 3rd, Mr. 

 Brittain, of Scarborough, communicated by T. W.L., Scar- 

 borough ; Sledmere ( IV.H.). 



Thanaos tages. Common, Strensall {S. IV.). 



Hesperia sylvanus. Askham Bogs {S. W.) ; Sandburn Com- 

 mon {S. W. and W.H:) ; Strensall Common ( W.H.) 

 common, Doncaster {H.H.C.). 



NOCTURNI. 

 Acherontia atropos. Scarce. CD. A. writes: — 'Out of 

 six larvae obtained at Skipwith last year two produced per- 

 fect specimens in August ; these had not been forced.' 

 One sent to set for museum, and hear of another being 

 taken, Middlesbrough {T.L.). 



Trans. Y.N.U., 1900 (pub, Dec. 1900). Series D, Vol. 5. 



