44S N0CTCII)J3. 



antemodial area suffused with fuscous, the area before the post- 

 medial line suffused with white, broadly to median nervure, then 

 narrowly, tho costal area suffused with fuscous towards apex, the 

 apical half of terminal area slightly suffused with white ; subbasal 

 line indistinct, curved, from costa to submedian fold ; antemedial 

 line double, oblique and minutely waved from costa to submedian 

 fold, then incurved ; claviform and orbicular absent ; reniform 

 small, elliptical, white defined by brown and with black spot in 

 centre ; a diffused oblique medial line, stronger at costa ; post- 

 medial line sharply angled outwards below costa, oblique from 

 vein 4 to submedian fold, then excurved, with a diffused maculate 

 dark line beyond it ; subterminal line formed by a series of diffused 

 rather dentate dark marks, oblique towards costa, excurved at 

 middle and incurved in submedian fold ; a terminal series of slight 

 brown lunules ; cilia with slight pale lines at base and middle. 

 Hind wing ochreous whitish suffused with brown, a brown terminal 

 line ; cilia ochreous whitish ; the underside white, the costal and 

 terminal areas irrorated wath brown, a brown discoidal lunule, 

 indistinct diffused postmedial line and subterminal series of spots. 



Hah. Canada, Ontario ; U.S.A., New Hampshire. Exp. -SB 

 millim. Figured from a drawing from specimen in U.S. Nat. Mus, 



Genus GYRTOTHRIPA, nov. 



Type, G. pndlla. 



Proboscis fully developed ; palpi with the 2nd joint porrect, oxtendins; about 

 the length of head and broadly fringed with scales above, the 3rd obliquely 

 upturned, short; frons smooth, with large tuft of hair; eyes large, round; 

 antennre of male minutely ciliated ; thorax clothed entirely with scales and 

 without crests; tibia; moderately fringed with hair ; pectus of male with lateral 

 fringe of very large scales ; abdomen with dorsal crests on two basal segments. 

 Fore wing with the apex rectangular, the termen evenly curved and not crenu- 

 late ; vein 3 from well before angle of cell; 5 from just above angle ; 6 from 

 upper angle ; 9 and 10 anastomosing with 7, 8 to form a minute ai-eole ; 11 

 from cell. Hind wing with veins 3, 4 strongly stalked ; 5 fully developed from 

 angle of cell ; 6, 7 from upper angle ; 8 anastomosing with the cell to near 

 middle. 



A. Hind wing with the interspaces semihyaline pusilla. 



B. Hind wing with the interspaces not semiliyaline microdonta. 



6798. Gyrtothripa pusilla. 



Gyrtona pusilla, Moore, Lep. Atk. p. 289 (1S88) ; Hmpsn. Moths Ind. ii. 

 p. 405. 



Head and thorax grey tinged with olive-brown ; palpi redder 

 brown ; pectus white ; fore and hind legs suffused with dark 

 brown, the tarsi blackish ringed with white : abdomen grey tinged 



