Mr. A. G. Butlev on Delias belladonna. 57 



as it " mimics " another insect belonging to a different family 

 and to another zoological region — the Olesterus australis of 

 Gorham (Cleridse), from Australia. The type of the genus, 

 G. methocoides, Prof. Wcstwood compared to a genus of ants 

 (Methoca). 



Distenia Pryeri. 



D. elongata, fusca, sat dense subtiliter albido-pubescens ; capite 

 inter oculos lineatlui longitudinaliter impresso ; antennis leviter 

 pilosis ; protkorace subtilissime eont'ertim puucfcato, disco quadri- 

 tuberculato, apice tubulato ; elytris longe cuneatis, seriatim 

 punctatis, punctis postice gradatim obsoletis, apice singulorum 

 bispinoso, spina exteriore loagiore ; pedibus sparse pilosis, pilis 

 longis adspersis ; femoribus muticis. Long. 1 1 lin. 



Hah. Ellopura. 



In its uniform coloration this species is allied to D. japo- 

 nica*, but is at once differentiated by its two-spined elytra. 

 The fine whitish pubescence on its brown derm makes a clear 

 dark greyish colour. I have named this graceful Longicorn 

 after Mr. H. Pryer, who is an observer as well as a collector. 



VII. — Note respecting Butterflies confounded under the name of 

 Delias belladonna ofFabricius. By Arthur G. Butler. 



For some years past it has been maintained by most lepi- 

 clopterists that Papilio belladonna of Fabricius, figured by 

 Donovan in the ' Naturalist's Repository,' is the female of 

 Delias Ilorsfielaii of Gray's ' Insects of Nepal ; ' on the other 

 hand, I have always insisted that, however bad Donovan's 

 figure might be, it represented a brown and not a black 

 species, a male and not a female, and certainly a species in 

 which the whole abdominal border of the secondaries was 

 yellowish white, not partly white and partly yellow. 



Amongst the Lepidoptera of the late Mr. Charles Home, 

 collected in the North-west Provinces of India, I found a single 

 specimen of a Delias which, after comparison with Donovan's 

 figure, I am satisfied represents the true D. belladonna ; it is 

 a brown, not a black insect, it is a male, not a female, and 

 the abdominal border of the secondaries is wholly creamy 



* D. japonica, Bates (1873), is said to be synonymous with Apheles 

 gracilis, Blessig (1872), fiom Amur-land; the species should therefore 

 stand as _D. gracilis (Blessig). 



