igS PORRITT : LIST OF YORKSHIRE LEPIDOPTERA. 



Sesia culiciformis L. Richmond, in June, 1890 {W, Mil- 

 bum) ; Strensall Common, York, in 1900 {S. W.). 



Sesia tipulifopmis L. Middlesbrough (T.A.L.) ; Yarm- 

 on-Tees {T.A.L.). 



Sesia sphegifopmis W.V. Mr, F. Emsley, jun., of Leeds, 

 sent me for examination a fine specimen, which he took 

 at Bishop's Wood, near Selby, "on an alder leaf," 

 July I St, 1894. 



Sesia bembecifopmis ffiib. Barnsley! {A. TV.); Hull!! 

 {C.C. and W./.P.) ; Middlesbrough (T.A.L.); Skel- 

 manthorpe ! "larvae in s6llow^^ {B.M.); Withernsea 



U-P-)- 



Zeuzepa sescuii L. Not uncommon in the Barnsley district 

 {A.W.); Balby, Doncaster [H.H.C); Stanley, Wake- 

 field (— . Charles) ; a pair on August 5th, 1903, at Skip- 

 with, near Selby {CD. A.). 



Cossus lignipepda Fab. Everingham {/. Sm?i7ier) ; Great 

 Ayton {T.A.L.). 



Heplalus hectus L. Some of the females in the Hudders- 

 field district are almost black [G.T.P.). 



Heplalus humuli L. Very fine forms of the female are to 

 be obtained by diligent collecting ; one of my own 

 Huddersfield examples is figured in Barrett's " Lepi- 

 doptera of the British Islands." 



PpocpIs statlces L. Everingham ! ! (/. Sumner) ; Grass- 

 ington! {G.T.P.) ; Great Ayton {T.A.L.) ; Thorne 

 {H.H.C); Strensall Common, York, in 1900 (/. 

 Hawkins). 



Zygsena fillpendulse L. Skelmanthorpe, Huddersfield 



{B.M.). Several very extraordinary varieties have 



occurred at Wakefield, one of which is in my own 

 cabinet. 



Trans. Y.N. U. Series D, Vol. 2. Dec. 1903. 



