South American Micro-Lepidoptera. 273 



Pachnistis rubentula, n. sp. 



(J $. 9-10 mm. Head, palpi, and thorax whitish-ochreous, in ^ 

 rosy-tinged. Abdomen light dull rosy, segmental margins ochreous- 

 whitish. Fore -wings elongate, rather narrow, somewhat dilated 

 posteriorly, costa slightly arched, apex obtuse, termen rounded, 

 rather oblique; pale ochreous ; stigmata dark fuscous, plical 

 obliquely before first discal; some small indistinct dark fuscous 

 dots round posterior part of costa and termen, and a larger one at 

 tornus : cilia light dull rosy. Hind-wings and cilia light dull rosy. 



British Guiana, Bartica, in December (Parish) ; two 

 specimens. 



Pachnistis rhodocrossa, n. sp. 



$. 8 mm. Head and thorax pale greyish -ochreous. Palpi 

 ochreous-whitish sprinkled with dark fuscous except at apex of 

 second jomt. Abdomen grey. Fore-wings elongate, somewhat 

 dilated posteriorly, costa gently arched, apex obtuse, termen very 

 obliquely rounded; light greyish-ochreous ; second discal stigma 

 dark fuscous; a series of small indistmct dark fuscous dots round 

 posterior part of costa and termen, and a larger one at tornus : cilia 

 light dull rosy. Hind-wmgs rather dark grey; cilia grey. 



British Guiana, Mallali, in March {Parish); one 

 specimen. 



Glyphidocera exsiccata, n. sp. 



(J $. 9-12 mm. Head, palpi, and thorax light brownish-ochreous 

 sprinkled with dark fuscous. Antennal notch of (J shallow, simple. 

 Abdomen grey, in ^ with segments 2 and 3 clothed with modified 

 whitish-ochreous hairscales, anal tuft whitish-ochreous. Fore-wings 

 elongate, rather narrow, costa gently arched, apex obtuse, termen 

 rounded, rather oblique; light brownish-ochreous, sprinkled with 

 dark fuscous ; a dark fuscous dot in disc at J ; stigmata cloudy, dark 

 fuscous, plical obliquely before first discal, an additional dot beneath 

 second discal ; some cloudy dark fuscous dots on termen : cilia grey- 

 whitish, with two dark grey shades. Hind-wings grey or whitish- 

 grey; cilia ochreous-grey-whitish, with faint greyish subbasal 

 shade. 



British Guiana, Bartica, from December to February 

 (Parish) ; sixteen specimens. 



Glyphidocera inurbana, n. sp. 



cj $. 12-16 mm. Head and thorax fuscous. Antennal notch of 

 (J deep, covered by curved projection from beneath. Palpi rather 

 dark fuscous, sprinkled with j^ale ochreous. Abdomen grey, in (J 



