( 289 ) 



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

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

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

 in Fohjpt'ichus, Protambiihjx, etc. ; it is visible in the specimens without dissection ; 

 harpe complicated (PI. XL. f. (i) ; a dorsal process rod-shaped, 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 sliort bristles ; a submesial ridge is 

 tlie highest part of the harpe ; the distal {)rocess is separated from the clasper 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 

 process, like many sjjecies of Poh/pfi/rlias. 



? . Not dissected. 



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



In the Tring Museum 'I (S 6 from Sierra Leone. 



LXIX. L0PHO8TETHUS.— Typus: (kmolini. 



Sphinx, Angas (iwii Linne, 17o8). Kaf. Jllii^lr. (1840). 



SmeriiUhis. Walker (iion Latreille, 1802). Lht Lep. Ins. B. M. viii. p. 250. D. 12 (1850). 

 Em-lea Boisduval (,io,i Hiibner, 1822), Spec. Gen. Lep. Ilet. i. p. 14 (1875). 

 Ldjihoxlelhiia Butler, Tiii/is. ZouL Soe. Land. ix. p. .585 (1877) (type : ilemoliiii). 



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

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

 ? , the seriated ciliae in ? short, but obvious, end-segment short. Tibiae spijiose ; 

 foretibia armed with a long terminal thorn ; tw-o 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 ; jiulvillus absent ; 

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

 only at the apices, underscales bi- and trideutate. Distal margin of forewing 

 scalloped ; U- of hindwing more than twice the length of U', very obliijue ; 

 SC- and H' on a short stalk or from angle of cell ; frenulum and retinacaium 

 present. 



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

 margins being l)ent downward, apex rounded, entire or sinuate ; sternite with a 

 broad triangular mesial lobe. Clasper broad, apex rounded, distal third incrassate 

 l)ut not strongly chitinised, rugate on the inner surface ; harpe (PI. XXXIIL f. 13j 

 longitudinal, dentate at end ; no patch of friction-scales on outer surface of claspei-. 

 Penis-sheath compressed at end, carinate, without hooks or teeth. 



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

 (PI. XVIL f. 12) membranaceous proximally of the orifice, without antevaginal 

 ridge or lobe, postvaginal portion of plate strongly chitinise 1, transverse, posterior 

 edge very broadly rounded. 



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

 like the spikes. — Food-plant : Hibiscus tiliaceus. 



Chrysalis : tongue-case shorter than forelegs ; creiuaster broad, obtuse, 



Hab. Continental Africa south of the Sahara. 



One species. 



