46 



UNITED STATES NATIONAL MUSEUM BULLETIN 207 



81. Ectomyelois furvidorsella (Ragonot), new combination 



Figure 681 



Myelois furvidorsella Ragonot, Nouv. Gen., p. 8, 1888; Mono- 

 graph, pt. 1, p. 56, 1893. 



This is probably the same as muriscis. The genitalia 

 of the female type (fig. 681) are somewhat unusual in 

 that bursa and ductus biirsae are perfectly smooth, with 

 no trace of signum or sclerotization of the ductus at 

 genital opening. However, I have seen similar geni- 

 talia in typical examples of muriscis from Central 

 America; but I have seen so few examples of muriscis 

 (only males) from Puerto Rico that I prefer to keep the 

 names apart tUl more material is available. 



Alar expanse, 22 mm. 



Type locality: Puerto Rico (type in Paris Mus.). 



Food plant: Unknown. 



82. Ectomyelois zeteki, new species 

 Figures 201, 682 



Forewing pale brownish gray faintly dusted with 

 blackish fuscous; antemedial Une obscure, angxilate, 

 indicated chiefly by its blackish fuscous outer border, 

 the latter incomplete on many specimens; sub terminal 

 line sinuate, rather close to termen, on weU-marked 

 specimens consisting chiefly of white spots on the veins, 

 preceded and followed by dark streaks, obscure on 

 many specimens; also on well-marked specimens a me- 

 dian, longitudinal blackish fuscous streak from base of 

 wing to antemedial line; discal dots at end of ceU very 

 faint or completely obliterated, when distinguishable 

 more or less confluent; terminal dark dots faint, con- 

 fluent. Hind wing translucent, white with a faint 

 smoky tint towards apex; a dark line along outer margin 

 and some darkening of the veins. Eighth abdominal 

 segment of male simple. Alar expanse, 17-22 mm. 



Male genitalia similar to those of muriscis except: 

 Uncus narrower; apical projection of gnathos shorter, 

 not reaching so far backward as apex of uncus ; transtiQa 

 a narrow band forming a truncated arch with slightly 

 concaved posterior margin; sclerotized costa of harpe 

 projecting somewhat further at its apex. Female geni- 

 talia with scobinations of signum patch stouter and 

 sclerotization of ductus bursae at genital opening fore- 

 wing a larger and more strongly pigmented shield than 

 those of any other species of the genus. 



Type locality: Near Capira, Panamd (type in 

 USNM, 61316; paratypes in USNM, Cornell Univ., 

 Transvaal Mus. (Janse Coll.), Paris Mus., BM). 



Food plant: Cassia moschata. 



Described from male type, and 16 male and 19 

 female paratypes from the type locality; all reared (May 

 1941, Zetek No. 4807) by James Zetek, who has con- 

 tributed much valuable material to the National Collec- 

 tion, and for whom the species is named. 



It is easily distinguished from any other American 

 phycitid by its male genitaha. 



Genera 22-24: Paramyelois to Protomoerhes 



[Venational division C. Forewing with 11 veins; 4 and 5 stalked 

 for less than haU their lengths. Hind wing with veins 7 and 8 

 anastomosed for most of their lengths (free element of 8 short) . 

 Transtilla incomplete; but (except in Paramyelois) its free 

 elements well developed.] 



22. Paramyelois, new genus 



Type of genus: Myelois solitella Zeller. 



Tongue well developed. Antenna of male shortly 

 cilia te (cilia shorter than width of shaft), simple; of 

 female pubescent. Labial palpus oblique, laterally flat- 

 tened (broad and flat from lateral view) ; second segment 

 roughly scaled beneath; third segment shorter than 

 second, somewhat roughly scaled. Maxillary palpus 

 squamous (rather heavily and broadly scaled). Fore- 

 wing smooth; 11 veins; vein 2 from before but rather 

 near lower outer angle of cell; 3 from the angle, well 

 separated from the stalk of 4-5 at base, but nearer to 

 4-5 than to 2; 4 and 5 shortly stalked; 6 from below 

 upper angle of cell, straight; 8 and 9 long stalked; 10 

 from the cell, approximate to the stalk of 8-9 for a 

 short distance from base; male without costal fold. 

 Hind wing with vein 2 from well before lower outer 

 angle of cell; 3 from the angle, closely approximate to 

 or connate with the stalk of 4-5 at base; 4 and 5 nor- 

 mally stalked for half or slightly less than half their 

 lengths, rarely (in some small specimens) stalked for 

 over half their lengths: 7 and 8 strongly anastomosed 

 for most of their lengths, free element of 8 short; cell 

 slightly over half the length of wing in male (as in 

 European Mj/eZois), half the length of wing in female; 

 discoceUular vein curved. Eighth abdominal segment 

 of male simple. 



Male genitalia with apical process of gnathos a short, 

 rather broad, blunt hook, slightly notched at apex. 

 Uncus with broad base; narrowed and triangulate just 

 beyond; apex ateutely rounded. Tegumen short and 

 broad. Transtilla incomplete. Harpe very broad at 

 base; costa strongly and broadly sclerotized and forming 

 a broad, pointed projection before middle, not appreci- 

 ably sclerotized beyond; sacculus large and strongly 

 sclerotized ; cucullus greatly reduced. Anellus a curved 

 shield with long, strongly sclerotized, smooth, slender, 

 tapering and pointed lateral arms. Aedeagus scobinate 

 on one lateral edge at apex; penis with a few sclerotized 

 wrinklings, otherwise unarmed. Vinculum stout, slightly 

 longer than broad, truncate, scarcely tapering to broad 

 terminal margin. 



Female genitalia with weak signum consisting of a 

 cluster of rather coarse scobinations; finer scobinations 

 scattered over the caudal half of bursa. Ductus biu:sae 

 shorter than bursa, broadened and sclerotized on inner 

 ventral and lateral surfaces towards genital opening; on 

 inner dorsal surface behind the opening a pair of small 

 sclerotized plates. Ductus seminalis from bursa near 

 its junction with ductus biu-sae. 



