DIPIITHEEA. CHAEADEA. 371 



blackish line from lower angle of cell to inner margin ; postmedial 

 line blackish slightly defined on outer side by whitish, slightly bent 

 outwards below costa, incurved below vein 4 and excurved below 

 submedian fold ; postmedial line blackish defined on outer side by 

 white, excurved below vein 7 and at middle and incurved at discal 

 fold ; the veins of terminal half with slight dark streaks ; a fine 

 blackish terminal line. Hind wing white ; a few brown scales at 

 the extremity of vein 1 ; cilia slightly intersected with brown 

 from apex to vein 2 ; the underside with the costal area slightly 

 irrorated with brown. 



Hah. U.S.A., Colorado, 1 S type, Arizona. Exp. 44 millim. 



Genus CHARADRA. 



J ypo. 



Charadra, Wlk. xxxii. 445 (1865) deridcns. 



Proboscis fully developed ; palpi obliquely upturned, short, fringed witJi 

 rather long hair ; frons smooth ; eyes large, round ; antennae of male bipecti- 

 nate -with rather long branches to apex, ot female with short branches ; tlaorax 

 clothed with hair and hair-like scales, the metathorax with spreading crest ; 

 tibiae moderately fringed with hair ; abdomen with dorsal series of crests, the 

 crests on medial segments large. Fore wing with the apex rounded, the termen 

 evenly curved and not crenulate ; veins 3 and 5 from near angle of cell; ^ 

 from upper angle ; 9 from 10 anastomosing with 8 to form the areole ; 11 from 

 cell. Hind wing with the cell half the length of wing ; veins 3, 4 from angle ; 

 5 fully developed from well above angle; 6,7 from upper angle; 8 anasto- 

 mosing with the cell near base only. 



A. Hind wing yellow ..., pata. 



B. Hind wing whitish or brown. 



a. Fore wing with dark streak in submedian fold between the 



antemedial and medial lines, 

 a'. Fore wing with the costal half of medial area suffused 



with b!ack-brown iritens. 



6'. Fore wing with the costal half of medial area not suffused 

 with black-brown. 

 a". Fore wing with blackish spot in centre of orbicular. 



a^. Fore wing with the ground-colour bhie-grey inqenua. 



a?. Fore wing with the ground-colour while deridens. 



b". Fore wing without blackish spot in centre of orbicular, 



the lines finer sudena. 



b. Fore wing without dark streak in submedian fold between 



the antemedial and medial lines. 



a'. Fore wing with triangular blackish brown patch on 

 costal half of medial area ; hind wing and underside 

 dark brown nigracreta. 



b^. Fore wing without triangular blackish brown patch on 

 costal half of medial area; hind wing and underside 

 whitish disjmlsa. 



8187. Charadra pata. (Plate CCXXXIV. fig. 12.) 



Trisulodes pata, Druce, A. M. N. H (6) xiii. p. 362 (1894) ; id. Biol. 

 Centr.-Am., Het. ii. p. 509, pi. 96. f. 21. 



c? . Head and thorax grey mixed with black-brown ; antennse 

 red-brown : tegulas with a red-brown tinge before tips ; patagia 



2e2 



