THE 



y^^^ VOLUME XXII. ^^k 



EDITOEIAL NOTICE. 



The Hev. W. W. Fowlee, M.A., F.L.S., of the School House, 

 Lincoln, so well-known in connection with British Cohoptera, has 

 kindly consented to fill the vacancy on the editorial staff occasioned 

 by the death of Mr. Eye. His colleagues commend him to the 

 favourable consideration of the supporters of this Magazine. 



1, Paternoster Row : 

 Ma?/, 1885. 



ON THE VALUE OP THE COSTAL FOLD IN THE CLASSIFICATION 



OP T0RTRICE8. 



BY CHAS. G. BAEKETT. 



Mr. Warren's recent discovery (Ent. Mo. Mag., xxi, p. 190) of 

 the identity of my Dichrorampha herhosana (Ent. Mo. Mag., ix, p. 

 27) with the original D. tanaceti, of Wilkinson, by means of type 

 specimens taken by Mr. Thompson at Crewe, and his suggestion that 

 the species placed in most of our cabinets under the name of tanaceti 

 {-ana) should be called saturnana, has had the effect of again drawing 

 more particular attention to this very difficult group. 



In my own collection I have as follows — besides herhosana = 

 tanaceti, Wlk. : — 



(1st.) Under the name of tanaceti, 8 (^ and 2 ? from Bristol, 

 6 ^ and 2 ? from Exeter, 3 (^ and 3 $ reared by Mr. Elisha from 

 larvae in (I think) tansy roots (^Tanacetum vulgare), and 16 ^ and 4 ? 

 taken by myself near Pembroke among the same plant. None of these 

 males have the slightest indication of a co^idlfold, though in many of 

 them the anterior margin is slightly turned up. 



(2nd.) Also under the name of tanaceti, 10 S and 4 ? from the 

 Pembrokeshire coast, not among tansy, and 5 J and 1 ? from a quarry 

 at Plymouth, so closely resembling No. 1 that the females are abso- 

 lutely alike, and the males are only distinguishable from their posses- 

 sing a very strong and well marked costal fold. 



^E, 1885. 



