108 



Namangana viridescens sp. nov. (PI. XV, Fig. 12). 



$ antennae rather broad, ciliate and fasciculate; palpi ascending, deep 

 chocolate brown, rimmed with ochreous at end of 2nd joint; front smooth, 

 roughly clad with long chocolate-brown hairs; head and thorax with rough 

 squammation of hair-like* scales, emerald-green with slight brown admixture, 

 ochreous at base of antennae; patagia partially chocolate-brown, broadly ringed 

 with ochreous ; primaries deep black-brown strongly suffused with emerald- 

 green; basal line curved, geminate, green-filled; t. a. line rather irregular, in 

 general upright, green-filled; claviform very large, outlined in green, open 

 above and below, dark filled; reniform rather obscure and much as orbicular 

 in size, partially outlined and filled with green; t. p. line green-filled, arising 

 from a green costal patch above reniform, bent strongly out just below costa 

 to well beyond reniform, then parallel to outer margin with slight inward tooth 

 in submedian fold; s. t. line poorly defined, whitish, preceded by broad green 

 lunules in central portion of wing; terminal area green with brown-lined veins 

 and terminal interspaceal blackish triangular spots; fringes pale, cut with black- 

 ish opposite the spots. Secondaries brownish ochreous along inner margin ; 

 traces of a pale postmedian curved line and a pale terminal line between vein 

 3 and inner angle with dark lunules at edge of wing; fringes ochreous cut by 

 smoky patches. Beneath primaries smoky-brown, tinged with ochreous on costa 

 and fringes with traces of a postmedian dark line; secondaries pale ochreous, 

 sprinkled with brown with large brown discal spot and distinct curved crenu- 

 late postmedian line; fringes on both wings ochreous cut with brown. Ex- 

 panse 40 mm. 



Habitat: $ Chiricahua Mts., Arizona (Sept.), 9, S. W. Arizona. 

 1 ^ , 1 9 . Types, Coll. Barnes. 



The generic reference is provisional ; it is impossible to follow out 

 the species in Hampson's key as the thoracic vestiture is disarranged 

 in our speciinens and all marked structural features are lacking; in 

 any case at the best Hampson's finer subdivisions, based on the diver- 

 gent nature of the thoracic tufting, are extremely difficult to compre- 

 hend and we are not at all convinced that he has correctly diagnosed 

 all our North American species. To our mind the present species is 

 related to a group of species consisting of sniaragdina Neum., marina 

 Sm., laetabilis Sm. and canoa Barnes ; all these show a rounded frontal 

 prominence smoothly clothed with closely appressed scales, diflfering 

 in this respect from viridescens but resembling it in general habitus, 

 smooth abdomen and lack of further definite structural characters. 

 These four species were placed by Hampson in the genera Trachea, 

 Cerma, Amiana and Namangana but with the exception of laetabilis 

 were unknown to him at the time; laetabilis is obviously incorrectly 

 placed (owing to a wrong conception of Dyar's genus Amiana which 



