ORANGE-TAILED CLEARWING. 353 



is of comparatively large si.e, and may be Ijf "^"f ^^/'°,"^ 

 the next species by the yellow bets on tts body, and 

 chestnut coloured tuft at the tail. (Plate I54, F>g- 2.) 



IMhite-barred Clearwing {Sesia sphedformis). 



Althou-h generally smaller, some specimens run very close to 

 the last s^necL in si.e. It may be distinguished by the smgle 

 be 1 1 the b dy and the black tail (Plate 154, Fig- 3); One of 

 the best known localities for the species in England >s T.lgate 

 the best Kn ^^^^^ .^^ Hampshire (Basmg- 



S' He"(Tarri„gton), Worcestershire (Wyre Forest), 

 Staffordshire (Burnt Wood), Cheshire (one, Delarne^e Fore t 

 190.), Denbighshire (Llangollen), Lancashire (Chat Moss), and 



Yorkshire (Bishops Wood, 1894)- , . r ,1 „ ;„ 



The caterpillar feeds in stems of alder, and is full grown m 

 Mav of the third year after hatching from the egg. It is said 

 tit the chrysalis may sometimes be found by bending and 

 ttt tine the stems of alder, so as to cause the thin skin of bark 

 over the exit hole of the burrow to crack, and so disclose its 

 Xr aLu^t The burrow is generally low down the stem^ 

 The moth is out in June and early July, and ,s sometimes to be 

 Jeen on sunny mornings at rest on alder leaves, or flying over 

 and around the bushes. 



Orange-tailed Clearwing i^Sesia andrennformis). 



AUhouoh known to be a British species since 1829, when a 

 sptimen°was taken in a wood near Greenhithe, Kent, this 

 insect cominued to be very rare until quite recently, t or a long 

 time the caterpillar was supposed to feed in the stems of dog- 

 wood, but it is now known to live in the stems of the wayfaring 

 Tree (ra«r««;« Untarta), and several specimens ol the moth 



Series 11. 



