( 393 ) 



AIei(ron. Antenna long and slender, reaching beyond end of cell of forewing ; end- 

 segment compressed like the preceding, triangular, al)ont three times as long as 

 vertically broad at base. Thorax not crested. >Spines of abdomen : those of 

 posterior tergites long and very strong ; of proximal tergites much weaker and 

 more numerous, with small flat ones covering tlie longer ones ; those of sternites 

 also long, conical, single, thiu ; end of abdomen not distinctly tufted. Legs smoothly 

 scaled, long ; spurs of liindtibia rather short, with a tuft between tlie two pairs : no 

 tarsal comb. Forewing irregularly dentate; costal margin of liindwing normal, 

 anal angle not projecting, cell short, lower angle acuminate, D' being very oblique, 

 R- before centre, D^ mncii longer tlian D'. 



c?. Sexual armature of the t.y])e of Madoviix, symmetrical : harjic vestigial ; 

 friction-scales very small and numerous. 



Early stages not known. 



Hah. South America. 



One species. 



A connecting link between Aleuron and M(i<lor>/.r, Pdchi/lid, etc. Nearest to 

 Stolidoptera, but easily distinguished by the absence of the costal lobe of the 

 hindwing, the shai)e of the palpus, etc. 



323. Protaleuron rhodogaster spec. nov. (PI. V. f. IS, S). 



(S. Body above greenish olive ; l)eneath pinkish crimson, inclusive of jialpi 

 and femora ; scaling of antennae pinkish buff, legs buff ; abdomen with deeper olive 

 lateral patches on proximal segments, ajjex of these segments laterally creamy. 



Wings, upper&iJe.- -Forewing like thorax ; three antemedian and three 



discal lines, distinct at hinder margin, where they are blackish, the third discal 

 one reappearing at R-, where the second is also a little more distinct ; a small 

 black stigma ; an indistinct oblique a]>ical line ending behind SO"' in a black spot ; 

 lilnish white scales proximally of antemedian lines and distally of discal ones, .also 

 liptween the lines at hinder margin ; ajiex pointed, distal margin sinuate between 



SC!' and R', dentate.- Hindwing olive-brown, greyish olive at base ; distal 



margin convex, anal angle broadly rounded, small teeth at tips of posterior veins. 



Underside. Forewing olive-brown in basal two-thirds, washed with clay- 



(•(lionr, disc crimson coral-red, with traces of lines ; a very irregular marginal band, 



brown, washed with red, widest before R-, deeply incised at R", M', and M-. 



liindwing: ]iinkish crimson from costal margin beyond cell ; abdominal area olive 

 clay-colour ; distal marginal band brown washed with red, less distinct than on 

 innwing, triangularly dilated at R-. 



($. Tenth segment as in Stolid optcru (PI. XLIII. f. 1), but the processes of 

 tiie sternite less curved at end Clasper very lai'ge ; harpe vestigial, without 

 free process (PI. LIX. f. 0). Penis-sheath (PI. LIX. f. 8) large, with a stronger 

 chitinised and strongly dentate broad flap or plate on each side ; apical edge also 

 incrassate, and armed with some teeth. 



Huh. Ecuador. 



One $ in the Oxford Museum. 



There is nothing known with which this species could be confounded. 



