32 



P. E. S. WHALLEY 



36 (29 



37 



(36) 



38 (37) 



39 



(38) 



40 



(39) 



4i 



(40) 



42 



(4i) 



43 



(37) 



44 



(43) 



45 



(44) 



4 6 (45! 



47 



(46 



48 (47 



49 (48 



5° (49 



5i (50 



52 (51 



Juxta lobes incurved at apex 



Juxta lobes not incurved at apex 

 Antennae simple, minutely ciliate 

 Antennae ciliate, serrate or monopectinate 

 Antennae monopectinate . 

 Antennae serrate or ciliate 

 Antennae strongly serrate. 



side of fore wing . 

 Antennae strongly ciliate. 



Juxta with prominent process (PI. 39, fig. 217) 

 Juxta not modified as above 



OPULA (part) (p. 163) 

 (some specimens of NEMEA may come out here) 

 37 



HYPOLAMPRUS (part) (p. 



43 



38 



127) 



39 



Prominent black and silver scales in cell on under- 



KUJA (part) (p. 117) 



No black and silver scales under fore wing . . 40 



HYPOLAMPRUS (part) (p. 127) 



41 



Genitalia as in PI. 43, fig. 242. Uncus long, well sclerotized 



NEMEA (part) (p. 149) 

 Genitalia not as above .......... 42 



Wings sandy yellow, reticulations indistinct . BUPOTA (part) (p. 136) 



Wings brown, with strong reticulate pattern . . KALENGA (part) (p. 143) 



Hind tibia with apical spurs paired, and single long median spur (occasionally 



a small, second, median spur very reduced) . . . COLLINS A (p. 139) 



Hind tibia with two pairs of spurs, median pair on tibia conspicuous . . 44 



Juxta with prominent spines on inner margin . . KALENGA (part) (p. 143) 



Juxta without spines on inner margin ....... 45 



Valve with elongate basal process (PI. 38, fig. 209) . . KUJA (part) (p. 117) 



Basal process not as above ......... 46 



Juxta with two elongate lateral lobes. Genitalia as PI. 42, fig. 234 



NAKAWA (p. 147) 

 Juxta not as above ........... 47 



Hind wing with two median brown or black spotted fasciae between two white 



fasciae (PI. 20, figs 106, 108) ..... SIJUA (part) (p. 154) 



Hind wings without such fasciae ........ 48 



Prominent black and silver scales under fore wing arranged as small spots 



(PI. 13, figs 64, 66). Brown line from below apex of fore wing to costal 



margin ......... KUJA (part) (p. 117) 



Not as above ............ 49 



Gnathus without median process (Pis 38, 39, figs 214-219) 



HYPOLAMPRUS (part) (p. 127) 

 Gnathus with small or large median process ...... 50 



Uncus sclerotized and pointed (PI. 42, fig. 239) 

 Uncus not as above .... 



Prominent Y-shaped sclerite on 9th tergum 

 No Y-shaped sclerite on 9th tergum . 

 Large species, wing over 1 8 mm . 

 Smaller species, wing under 18 mm 



NEMEA (part) (p. 149) 



51 

 . SIJUA (part) (p. 154) 



52 



. OPULA (part) (p. 163) 



NEMEA (part) (p. 149) 



Key to Genera: Females 



(1) 

 (2) 

 (3) 



Frenulum absent 



Frenulum present 



Labial palps 3 -segmented 



Labial palps 2 -segmented 



All tarsal segments with spines 



. SINECALCA (p. 172) 

 2 



3 

 CECIDOTHYRIS (p. 176) 



4 



Tarsal segments without spines or with spines on last tarsal segment only 

 Tarsi with pair of apical spines ....... 



Tarsi with rows of spines ......... 



17 

 6 



