South American Micro-Lepidoptera. 15 



EUCOSMIDAE. 



Spilonota imminens, ii. sp. 



(^$. 11-13 mm. Head, palpi, and thorax grey irrorated with 

 whitish. Antennae in (J with notch at 1. Abdomen dark grey. 

 Forewings elongate, posteriorly slightly dilated, costa slightly arched, 

 in cj with strong fold from base to middle, apex obtuse, termen slightly 

 rounded, rather oblique ; varying from light grey to pale brownish- 

 ochreous, more or less irrorated with whitish, with a few blackish 

 scales ; some more or less developed oblique dark fuscous strigulae 

 from costa ; in ^ costal half wholly suffused with dark grey from base 

 to f or f : cilia rather dark grey. Hindwings dark grey ; cilia grey, 

 with darker subbasal shade. 



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

 specimens. 



Spilonota viridans, n. sp. 



<J$. 12-13 mm. Head and palpi grey, pale-speckled. Antennae 

 in (J with notch at 1. Thorax grey, sometimes tinged with greenish 

 or partially suffused with dark fuscous. Abdomen dark grey, 

 anal tuft in i^ grey-whitish. Forewings elongate, posteriorly 

 slightly dilated, costa gently arched, in cj with strong fold from base 

 to beyond middle, filled with whitish hairs, apex obtuse, termen 

 slightly rounded, somewhat oblique ; grey suffused with dull greenish, 

 with scattered blackish scales and short variable marks ; costa with 

 short oblique blackish marks ; costal f from base to f in (J more or 

 less wholly suffused with dark fuscous, this area projecting down- 

 wards as an obtuse-triangular blotch marked with black crossing 

 fold beneath middle of wing, preceded by a light grey tuft on fold, 

 dorsal area beneath this more or less tinged or suffused with whitish, 

 in $ the lower portion and black marks of this area appear as an 

 irregular median interrupted longitudinal band ; a black longitudinal 

 median streak from cell to near termen, and some shorter black 

 longitudinal marks above and below this posteriorly; lateral 

 margins of ocellus obscurely indicated with leaden-metallic : cilia 

 grey sprinkled with whitish and obscurely barred with dark fuscous. 

 Hindwings with 3 and 4 stalked ; dark grey, basal area subhyalme ; 

 cilia grey, with darker basal shade. 



British Guiana, Bartica, December to February 

 {Parish) ; twenty-seven specimens. 



