r 289 ) 



corresponding organ of the eighth tergite consisting of a ribbon of scales which 

 are soldered together at the edges ; the ribbon extends all ronnd the lateral and 

 apical edge of the segment (PI. LIX. f. 1), not being interrupted mesially, as is the case 

 in Poh/iitj/chus, Protamlj>tli/x, etc. ; it is visilile in the specimens without dissection ; 

 harpe complicated (PI. XL. f. 0) ; a dorsal process rod-shajied, densely beset with 

 very short bristles which point basad ; a mesial flap lies flat upon the clasper, is 

 somewhat horn-shaped and also rough with short bristles ; a submesial ridge is 

 tlie highest part of the harpe ; the distal process is separated from the clas])er at 

 the end ; the ventral ridge curves dorsad, being continuous with the ridge which 

 forms the dorsal process. The penis-sheath (PI. XXX. f. 24) has a long apical 

 jirocess, like many species of Poli/iJif/chtis. 



? . Not dissected. 



Hab. West Africa : Sierra Leone to the Congo basin. 



In the Tring Museum 2 S S from Sierra Leone. 



LXIX. LOPHOSTETHUS.— Tyjjus : demolini. 



Sjilihi.r, Angas {wm Linnt-, 17.'i8), k'nf. Jlluslr. (1849). 



Hiiierhithiis. Walker {iiou Latreille, 1802), Lid Lep. Ins. B. M. viii. p. 250. n. 12 (185r,). 

 Eiiclea Bdisduval {wm Huboer, 1822), Sjm: Gen. Up. Hel. i. p. 14 (1875). 

 LiipkDKleOiii.i Butler, Trims. Zoid, Sac. Lantl. ix. p. o85 (1877) (type : detnuUni). 



S ?. Tongue short and weak. Palpus small and slender, third segment conical, 

 prominent, acutely pointed. Antenna slender, prismatical in tj, subprismatical in 

 ?, the seriated ciliae in ? short, but obvious, end-segment short. Tibiae «/////(W(^ ; 

 foretibia armed with a long terminal thoru ; two pairs of spurs to hindtibia, long 

 terminal one more than half the length of the first tarsal segment, this as long 

 as the tibia, rather longer than the other segments together ; pulvillns absent ; 

 paronychium with only one lobe on each side. Abdominal tergites with spinules 

 only at the a[iices, uuderscales bi- and tridentate. Distal margin of fw-ewing 

 scalloped ; D- of hindwing more than twice the length of D', very oblique ; 

 S( '- and R' on a short stalk or from angle of cell; frenulum and retinaculum 

 ])resent. 



S. Tenth alidominal tergite broad (PI. XXIV. f. 23), concave below, the 

 margins being bent downward, ape.x rounded, entire pr sinuate ; sternite with a 

 broad triangular mesial lobe. Clasper broad, apeS'^unded, distal third incrassate 

 liut nnt, stningiy chitinised, rugate on the inner surface ; harjie (PI. XXXIII. f 13) 

 longitudinal, dei>fate at end ; no patch of friction-scales on outer surface of clasper. 

 I'enis-sheath compressed at end, carinate, without hooks or teeth. 



? . Eighth tergite of abdomen rounded-truncate, scaled. Vaginal plate 

 (PI. XVII. f. 12) membranaceous i)roximally of the orifice, without antevaginal 

 ridge or lobe, postvaginal portion of ]jliite strongly chitinised, transverse, posterior 

 i^lge very broa<lly lounded. 



Larva with belts of dentate spikes, head large and rounded, horn sjiinose, black 

 lil<(' the spikes. — Food-plant : llihi.s<-ait tilidceiis. 



(Chrysalis : tongue-case slmrter than forelegs ; creniaster broad, obtuse. 



Hah. Continental Africa south of the Sahara. 



One species. 



