Species o/Eriocera in the British Museum. 71 



\ 



7. Black species ; wings perfectly hyaline . cri/stalloptera, O.-S. 

 At least partly orange, or wings with 



dark bands 8. 



8. Wings with dark bands ; abdomen and 



sometimes the thorax black humberti, O.-S. 



Wings without dark bands 9, 



9. Thorax orange with black stripes, ab- 



domen black 7)ieleayris, O.-S. 



Thorax entirely, abdomen mainly orange, ^nichyrrhina, O.-S. 



10. Upper basal cell at its apex quite twice 



as broad as the lower ; wings with con- 

 spicuous markings ; Es parallel with Rj 



near the base. (J3orneo.) lunata, Westw. 



Upper basal cell little if any broader than 

 the lower; Rs not parallel with Ri 

 near the base . 11. 



11. Ro much shorter than R2+3; tip of Rj 



upturned and slightly shorter than r ; 

 small black species ; male antennae 

 elongate; anal cerci of female short 



and fleshy. (Tropical Africa.) pusilla, Alex. 



R2 at least as long as Rs+s; tip of Ri 

 straight, or at most slightly upturned, 

 as long as or longer than r ; anal cerci 

 of female long and horny 12. 



12. R2 little if any longer than R2+3 ; r at 



or close to base of R2 ; Cuia near base 

 of discal cell ; four posterior cells; uni- 

 formly blackish or brown species ; 

 wings without markings other than 



the stigma 13. 



Ro longer than R2+3 (nearly always much 

 longer, but compare E. ctenophoroides) ; 

 r generally well beyond base of Ro ; 

 Cuia generally well beyond base of 

 discal cell 25. 



13. Rather light brown species ; the thorax 



with darker stripes ; wings practically 



clear. (Australia.) 14. 



Darker brown to black species ; wings 

 more or less infuscated 15. 



14. Discal cell closed australiensis, Alex. 



Discal cell open aperta, Alex. 



15. Whole body deep black, not at all shin- 



ing. (India.) , *aterrima, Brun. 



Not wholly black, or, if so, then partly 



shining" 16. 



IG. Male antennae twice as long as the body; 



uuicolorous black. (Amboina.) *atm, Dol. 



Male antennae more or less than twice as 



long as the body 17. 



17. Head yellowish, at least on the frontal 

 tubercle; male antennje more or less 



elongate . . . . , 18. 



Head entirely dark ; antennae alike in 

 the two sexes 21. 



