64 



UNITED STATES NATIONAL MUSEUM BULLETIN 207 



Genus Difundella, Species 126 and 127: D. dis- 

 tractor and D. tolerata 



[Labial palpus not reaching vertex on males, barely reaching 

 vertex on females. Hind wing with cell more than one-third 

 (but less than half) the length of wing; vein lb of male not bent; 

 rough sex-scaUng bordering Ic on underside of wing beyond base. 

 Gnathos with apical process enlarged and strongly sclerotized. 

 Costa of harpe with strongly sclerotized projection or projections.] 



126. Difundella distractor, new species 



Figures 237, 716 



Dark areas of forewing dark brownish gray; the pale 

 outer areas dull whitish; antemedial line well out 

 towards middle of wing, nearly vertical, slightly notched 

 at vein lb, red-brown with a fine black line along its 

 outer edge and preceded by a rather broad whitish 

 blotch, extending from just below costa, nearly to inner 

 margin; a short black streak along lower fold for a short 

 distance from base of wing; the discal spot whitish; 

 blackish lining on the veins beyond cell very weak; 

 subterminal line very sHghtly bent between veins 4 

 and 6 otherwise nearly vertical, outwardly bordered by 

 a naiTOW shade of the dark ground color and inwardly 

 by a fine black line. Hind wing semihyaline white; a 

 blackish brown line along termen; the veins not dark- 

 ened; the male wing on the imdersurface rather loosely 

 and coarsely covered with yellowish scales, especially 

 along the veins. Alar expanse, 14.5-15.5 mm. 



Male genitalia with imcus semispoon-shaped. Apical 

 projection of gnathos large, triangulate, strongly sclero- 

 tized. Harpe with sub triangulate cucuUus; a single, 

 long, stout, flat, cm-ved, tapering projection from mid- 

 costa. Aedeagus long, slender, smooth, tapering to a 

 point. Vinculum about twice as long as greatest 

 width. Female genitalia without signum; genital 

 plate large, medially notched and supported by strongly 

 sclerotized, involuted seventh abdominal segment. 



Type locality: Palmas Abajas, Puerto Rico (type 

 in Cornell Univ., paratype in USNM, 61328). 



Food plant: Unknown. 



Described from male type labeled "Palmas Abajas 

 (near Guayama), P. R., 1900 ft., [date unreadable], 

 W. A. Hofl^man" ; and one female paratype from Aguirre 

 Central, Puerto Rico, "Apr. 2-3, 31," M. D. Leonard, 

 collector. The female is in good condition and served 

 for the foregoing color and pattern description. The 

 male is badly rubbed and has the palpi and antennae 

 broken off; but enough of the markings remain to show 

 that they were the same as those of the female. 



127. Difundella tolerata, new species 



FiGTJBBS 238, 717 



Similar to the foregoing species (distractor) except 

 that pale areas of forewing are much more restricted, 

 limited to an irregular area bordering inner margin of 

 subterminal line (extending back to cell above and 

 nearly to antemedial line below); some diffused pale 

 shading along the lower fold in basal area; the pale 

 areas very duU ocherous white, not as well contrasted 

 as in distractor; discal spot ocherous. Hind wing trans- 



lucent, white with a very faint ocherous tint on male; 

 a faint dark line along termen. Alar expanse, 19 mm. 



Male genitalia with uncus strongly sclerotized and 

 stout (longer than basal width), broadened and rounded 

 towards apex. Apical projection of gnathos a long, 

 broad, strongly sclerotized, obliquely bent band. 

 Harpe with narrow, spatulate cucullus; two projections 

 from costa, the first a double thornlike projection from 

 near middle, the second a rather slender spine from 

 outer third. Aedeagus with a couple of short spines 

 at apex. Vinculum no longer than greatest width. 



Female genitalia with signum a narrow, elongate 

 patch of scobinations; genital opening simple; ductus 

 bursae about three times as long as bursa. From 

 the dorsocaudal margin of seventh segment an in- 

 vaginated, sclerotized shield supports at each lateral 

 margin a short, blunt, weakly pigmented hornlike 

 process. 



Type locality: East Bolivia (type in BM). 



Food plant: Unknown. 



Described from two specimens from the British Mu- 

 seum Collection labeled "Ost Bohvia, Aug.-Oct., 1920, 

 T. Steinbach," the male t3rpe and a female matching the 

 male in size, color, and markings. I do not make this 

 female a paratype (although the foregoing description 

 of the female genitalia is made from it) because there is 

 a slight doubt that it is the true female of the species. 

 Its genitalia are similar in all but the most trifling details 

 to those of a series of females from Cajniga, Guatemala, 

 associated in our collection with males of Coptarthria 

 dasypyga. One or the other of our identifications of 

 females (or both of them) may be in error. We shall 

 not know imtil more material is available. 



Genera 30-33: Coptarthria to Dasypyga 



[Venational division B. Male genitalia with transtilla a sinuate, 

 sclerotized, more or less scobinate band involved with gnathos; 

 a long, free spine associated with anellus. Eighth abdominal 

 segment of male with sternite developed as a narrow sclerotized 

 pocket.] 



30. Genus Coptarthria Ragonot 



Coptarthria Ragonot, Monograph, pt. 1, p. 251, 1893. (Type of 

 genus: Myelois dasypyga Zeller.) 



Tongue well developed. Antenna of male with basal 

 segment of shaft considerably elongated, flattened and 

 deeply notched at outer extremity; shaft pubescent. 

 Labial palpus upturned, slender, barely reaching vertex; 

 third segment about half the length of second, bluntly 

 pointed. MaxiUary palpus filiform. Forewing smooth; 

 11 veins; vein 2 from before lower outer angle of cell; 3 

 from the angle, closer to 4 at base than to 2; 4 and 5 

 short stalked or connate and closely approximate for a 

 short distance from base; 6 from below upper angle of 

 ceU, bent towards base; 10 from the cell; male without 

 costal fold. Hind wing with vein 2 from close to lower 

 outer angle of cell; 3 from middle of stalk of 4-5, or 

 closely approximate to it; 4 and 5 stalked for slightly 

 more than half their lengths; 7 and 8 closely approxi- 

 mate beyond cell; ceU short, about one-third the length 



