( 674 ) 



Xi/lophiiiies. Tliis geuns I'ltanoxijla is of special interest iuasmucli as it diifers 

 from Xi/lop/ianes iu a specialisation of the palpus which recurs iu several Old 

 World arenera. 



Key to the genera : 



a. Shorter uiidtiliial spur with comb of promiuent 



spines ........ 



Shorter midtibial spur without such a comb 



b. Base of tongue exposed, second segments of 



pali)i not contiguous 



Base of tongue not exposed, second segments 

 of jialpi contignous ..... 



c. Second segment of jjalpus obviously narrower 



in side-view than the first, more or less 



narrowing apical ly ..... 



Second segment of paljius not narrower than 



the first 



fl. Inner surftice of second segment of palpus naked 

 Inner surface of second segment of palpus 

 covered with dispersed small scales ; fore- 

 wing and body above bright green, hindwing 

 yellow and black ...... 



e. Second segment of palpus narrowing towards 



end ; Africa 



Second segment of jialpus not narrowing 

 towards end ; India ..... 



/. Scaling at apex of first segment of palpus, on 

 innerside, dense and regular 

 Scaling at apex of first segment of palpus, on 

 innerside, not dense, irregular 

 (/. Second segment of palpus, on innerside, with 

 apical tuft of scales directed proximad and 

 vcntrad ....... 



No such tuft ....... 



h. Scaling of first segment of palpus, on outerside, 

 longest just below the apical cavity . 

 Scaling longest proximally .... 



/. First segment of palpus strongly convex at 



apex on outerside, bearing a transverse crest 



of scales, or a fringe of hairs along eye 



First segment of palpus not obviously convex 



at ajiex ....... 



J. Second segment uf palpus with apical tuft on 

 innerside ....... 



Second segment of palpus without apical tuft 

 on innerside ...... 



k. Second segment of palpus on outerside with a 

 lateral crest as a continuation of the eye- 

 lashes ........ 



CLXIV. Ceutroctcim. 

 . b. 



■ /■ 



d. 



CLXVI. Ceckenena. 



CLIX. Eachloron. 

 ULVIII. Chaerochia. 

 CLXV. Rhayastis. 



■ y- 



■ J- 



. h. 



GLXIII. Rhi/ncholaba 

 CLXII. Theretm. 



(JLX. Basiotltia. 

 CLXl. Ilijipfllion. 

 OLIV. Phanoxyla. 



. k. 



CLVII. Rhodajra. 



