202 Journal New York Entomological Society. [VoI. x. 



A REVIEW OF THE GENUS ETHMIA WITH DE- 

 SCRIPTIONS OF NEW SPECIES. 



By Harrison G. Dyar. 



The North American species now referred to the genus Ethmia 

 {Fsecadia) may be separated by the following: 



Synopsis of Species. 



1. Yore wing black with white discal ray albistrigella 



Fore wing not black 2 



2. Abdomen with basal segment blackish, the rest ocherous, unspotted 3 



Abdomen ocherous or fuscous, the basal segment concolorous 4 



3. Fore wing gray with four or five black dots fuscipedella 



Fore wing with black streaks and dashes monticola 



4. Fore wing with a narrow white shade separating the costal gray portion from the 



lighter inner portion 5 



Fore wing with uniform ground color, the shade not defined 7 



5. This shade interrupted by two black spots 6 



This shade not so interrupted mirusella 



6. Lighter colored arctostaphy lei la 



Darker colored obscurella 



7. With many black streaks and dashes 8 



With rounded spots, comparatively few or no dashes II 



8. Abdomen ochraceous 9 



Abdomen gray dorsally. COnfusella 



9. Wings uniformly colored 10 



Wings with costal half dark, inner half light semitenebrella 



10. Fore wings darkly shaded discostrigella 



Fore wings not darkly shaded subc£erulea 



1 1 . Costal part of wing shaded with black or brown 12 



Costal part white, at most with blackish irrorations 17 



12. Costal shade with attached spots covering cell 13 



Costal shade not covering cell, fused to the discal spots hagenella 



13. Costal shade irregularly edged below, fused to spots 14 



Costal shade sharply edged below, thrice excavate 16 



14. Costal shade diluted, not continuous 15 



Costal shade solidly brown semilugens 



1 5 . Abdomen ochraceous josephinella 



Abdomen pale grayish with tip ochraceous marmorea 



16. Inner marginal area pure white trifurcella 



Inner marginal area grayish irrorate semiombra 



17. Fore wing with many blackish spots 18 



T- • -.u 1 tu . f texanella 



I- ore wing with only three spots { chambersella 



