South Americmi Micro-Lepidoptera. 15 



EUCOSMIDAE. 



Spilonota imminens, n. sp. 



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

 whitish. Antennae in ^ with notch at ^. Abdomen dark grey. 

 Forewings elongate, posteriorly slightly dilated, costa slightly arched, 

 in ^ 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 (J costal half wholly suffused with dark grey from base 

 to f or J : 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 J. Thorax grey, sometimes tinged with greenish 

 or partially suffused with dark fuscous. Abdomen dark grey, 

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

 slightly dilated, costa gently arched, in o 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 | 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 subhyaline ; 

 cilia grey, with darker basal shade. 



British Guiana, Bartica, December to February 

 [Parish); twenty-seven specimens. 



