108 THE entomologist's record. 



British collectors, but a few of our Palsearctic collectors, who should, 

 in a matter of this kind, set the pace, having a greater amount of 

 material to study and investigate, and hence a broader field for general- 

 isation, want a little jogging occasionally, to keep them reasonably in 

 tbe lines of accuracy, from which a little laxity often tempts frail human 

 nature to stray. 



[jjcaena (with ario?!, n)cas, etc.), Scolitaitiides (with ario)!, baton, 

 etc.), (7laiic()/is>/<'/ic (with ci/llanis, iiielanoi»i, etc.), fall quite outside the 

 tribe Plebeiidi, being only somewhat distantl)^ related thereto. As 

 we have already noted, the various references to different species in 

 this find otber British entomological magazines, have made our 

 readers conversant with the names of most of the Plebeiid genera 

 which we propose using in our revision of the tribe, but, as we have 

 to create certain others, we have here given a reHunie of all the 

 names we propose using, illustrated by reference to the British, and 

 some of the better-known Palaearctic, species referable thereto, and shall 

 be glad, for the sake of convenience in indexing, if those of our 

 contributors who send notes on butterflies, will, if convenient to 

 them, use the names in their articles. The Plebeiid genera referred to 

 are — 



Pi.EBEius — Pleheius (trgtis {negon) (type), P. (irgj/rognoiuoii, I', lyculas. etc. 



Vaucinhna — Vaceiniina optilete (type). 



AuiCiA — Ar'icAa <tHlrarche (tyj^e), .4. ptfyloy'ilu, A. Idas, A. eumedon, A. 

 donzelii, etc. 



Cyaniuis — CyiDiins ■■fcmia7'giis (iype), C pevAephatUi, etc. 



Poi.YOMMATUS — Pohjoiiininl lis cros, P. icariis (tyjje), P. amaiida. P. ei^cJieri, P. 

 hylan, etc. 



HiiiSDTiNA — Hiraiitina davion (type), 7/. doln.^, 11. admetitfi, etc. 



Ai.iiULiNA — Albiilinti pheretes (type), etc;. 



Latiorina — Lotiorbid orbitidui! (type), />. pyrenaica, etc. 



AgR[ades — AgriadeK meleiiger, A. corldon (type), A. theti-'i {bellnrgiis), etc. 



We have been largely helped in our determinations by Dr. Chapman 

 and ]\Ir. Bethune-Baker, although Dr. Chapman finds that, on the 

 genitalic structures, llir.stitijia is not separable from I'olyoiiiiiiatns. It 

 forms, liowever, such a distinct little lot of species that we retain the 

 name, and hope to work out some definite differential data when we 

 come to consider it in detail. This is merely intended now as a pre- 

 linnnary note to explain the names we have already determined to use, 

 and which we are using, in the volume of liriti^h Lepidn/dfra now 

 being published. 



Contribution to the life=history of Coenobia rufa {irith plate.) 



By H. M. EDELSTEN, F.E.S. 

 Two or three years ago I was in the Norfolk Broads with Mr. 

 Bowles, at the beginning of June, and not having very much to do 

 during the day, we thought Ave would try and find larv* of ('. rufa, 

 about whose life-history very little appears to be known in Britain. 

 As regards the continent, Wilde says " larva unknown," but he 

 describes the pupa, and Hoffmann describes the larva, and says it feeds 

 in Jinifus lainpnivarpKH, so we went to a spot where there is an 

 abundance of this rush, and where we had often taken C. rufa in 

 numbers. We started by looking for sickly rushes, but there were so 

 many stems of all colours, that it was like searching for a needle in a 

 haystack, so Ave gave that up, and kneeling down in the fen Ave pulled 



