282 PROCEEDINGS OP THE NATIONAL MUSEUM. vol.47. 



PIONEA SYLVIALIS Walker, 



1. Cabima, May, 1911 (Busck). 



PIONEA INCLUSALIS Walker. 



1. Trinidad River, March, 1912 (Busck). 



PIONEA EUPALUSALIS Walker. 



13. Taboga Island, February, 1912 (Busck). 



PIONEA T^NIOALIS Guenee. 



19. Paraiso, Canal Zone, February, 1911 (Busck); Corozal, Canal 

 Zone, April, 1911 (Busck), July, 1912 (J. Zetek, C. P. Crafts) ; Cabima, 

 May, 1911 (Busck); Trinidad Ptiver, August, 1912 (Busck). 



PIONEA EXUVIALIS Guenee. 



3. Paraiso, Canal Zone, February, 191 1 (Busck); Corozal, Canal 

 Zone, July, 1912 (C. P. Crafts). 



PIONEA LAGUNALIS Schaus. 



2. Trinidad River, March, 1912. 



I do not detect any differences between this and a specimen in the 

 collection labeled " autoclesalis Walk. = type, Oxf., noUispis Led." 



PIONEA VINOTINCTALIS Hampson. 



27. Alliajuelo, April, 1911 (Busck); La Chorrera, May, 1912 

 (Busck); Cabima, May, 1911 (Busck); Taboga Island, January, 1911 

 (Busck); Corozal, Canal Zone, May, 1911 (Busck), July, 1912 (J. 

 Zetek, C. P. Crafts). 



PIONEA BELIALIS Druce, 



6. Alhajuelo, April, 1911 (Busck); Cabima, May, 1911 (Busck); 

 La Chorrera, May, 1912 (Busck) ; Trinidad River, June, 1912 (Busck) ; 

 Corozal, Canal Zone, July, 1912 (J. Zetek). 



PIONEA EXPl,ICALIS, new species. 



Straw-color, dusted with fuscous, forming a shade along margin 

 of fore wing and covering all of hind wing but the costa; fringe 

 doubly Hned, appearmg dark on both wings; costa narrowly dark; 

 lines dark, the inner straight, sUghtly obhque; discal mark lunate; 

 outer line denticulate, inbent above vein 2 to below reniform, then 

 coarsely wavy to inner margin. Hind wing with the outer line runmng 

 out close to margui, then far inward along vein 2 and arcuate to 

 inner margin. Expanse, 16-20 mm. 



Cofypes.— Male and female, No. 16167, U.S.N.M.; Trinidad River, 

 June, 1912 (Busck), male; Corozal, Canal Zone, April, 1911 (Busck), 

 female. Also two females, one from the same place as the male 

 type, the others Cabima, May, 1911 (Busck). 



PIONEA STHENNYMALIS, new species. 



Dull reddish, the fringe yeUow; lines slender, obscure, the outer 

 far out, incurved along vein 2; discal mark small. Hind wing 

 broadly whitish at base, the margin dull reddish and fringe yeUow; 

 a small dash across submedian fold. Expanse, 12 mm. 



