COSJlOPTKRTniDyi:. 577 



Stilbosis argyritis, n. sp. 



J. 9 mm. Head, thorax dark shining leaden. Palpi dark grey, 

 becoming whitish towards base, Forewings elongate-lanceolate ; 

 dark fuscous, tinged fulvous in disc; large roundisli tufts edged 

 silvery-metallic resting on dorsum about ^ of wing and on costa 

 about middle ; a small dark tuft on dorsum at '4 of wing; opposite 

 silver-metallic transverse spots on costa and dorsum at ^ of wing : 

 cilia dark grey, llindwings dark fuscous: cilia dark grey. 



Erazil, 11, Trouibetas, September [Parinh) \ 1 ex, 



Syntomactis chalcoptila, n. sp, 



/c? $ . 10-11 mm. Head sliining bronze, face pale. ral|)i some- 

 what rough anteriorly, light ochreous. Thorax bronzy-pur])le, 

 Forewings narrow-lanceolate; fulvous; a dark bronzy-jturplish 

 basal patch occupying 4 of wing ; large transverse dark coppery- 

 bronze tufts crossing fold at |, towards costa in middle, and in 

 disc at |,and a smaller tuft below fold somewhat beyond second of 

 these ; shining violet-golden raised spots on costa and dorsum 

 before middle almost meeting, a large similar spot in disc at |, and 

 slender irregular subcostal and terminal streaks on apical fourth of 

 wing: cilia fulvous, becoming grey towards toruus, tips grey ou 

 costa. Hindwings dark fuscous ; cilia grev. 

 Peru, Juriuiaguas, Man-h (Parish); 3 ex, 



Mompha nuptialis, n. sp, 



(J. 6-7 mm. Head, thorax white. Palpi white, terminal joint 

 much shorter than second, with fine black median ring. Forewings 

 lanceolate ; shining white ; a very oblique bhick strigula from costa 

 at 3 ; apical | of wing more or less wholly overlaid reddisli-ochreous, 

 this area edged in disc anteriorly by a silvery mark and black dot, 

 and including a very obliipio black strigula from costa at 3^, 

 followed by a silvery streak from costa reacliing more tiian half 

 across wing, its apex confluent with a silvery streak along jjosterior 

 part of fold, and oblique silvery marks from costa ])Osteriorly 

 and tornus separated by a black dash in disc near apex : cilia 

 whitish, a black line at base on costa, andtips blaek round apex. 

 Hindwings blackish, apex grey; cilia ochreous-whitish. Forewings 

 beneath with discal patch of black scales, 



North C.vrolin'v, Southern Pines ; lOex. 



Mompha pentapyrga, n. sp. 



(^ 2 • 10-11 mm. Head, thorax gre^isli-ociireous, patagia 

 purplish-fuscous. Palpi dark fuscous, obscurely indicated apical 

 and supramedian bands of second joint, and apex of terminal joint 

 whitish-ochreous. Antennte dark fuscous, apical fourth whitish, 

 Forewings elongfite-lanceolate; brown largely suffused dark fuseous, 

 four suifused purple fascite; five very large transverse tufts, viz, two 

 transversely placed at |, lower slightly posterior, two similarly 



VOL. II. — Decemher 1922. 2 r 



