66 Journal New York Entomological Society, t^'o'- xxv. 



4. Brown, the markings closely similar to Percnoptilota, §25. 



mirabilata, medeifascia. 

 4. Black or gray and white, the hind wing usually marked about 

 like the fore wing or black. 



(Rheumaptera Hulst, not of Hiibner). 

 5. Eyes smallish, palpi and frontal tuft short, §26. 



luctuata (tristata of American workers), tristata 

 (probably not American). 

 5. Eyes, palpi and frontal tuft normal, ^27. 



lugubrata (luctuata of American workers), sociata 

 (unangulata of Packard and others). 

 4. Eyes smallish, fore wing dark, hind wing yellow ; genitalia of 



Euchcea, §28 Euchoeca (?) rubrosuffusata. 



2. Two accessory cells (occasionally a single large triangular one as an 

 aberration). 

 3. Male antennae bipectinate. 



4. Costal edge of hind wing notably longer than inner edge of 



fore wing Ortholitha (Europe). 



4. Wings proportionate, §29 (Xanthorhoe Hiibner, Petrophora of 

 the Tentamen ; Larentia and Epyaxa of Meyrick's New Zea- 

 land paper, but not Larentia as restricted by Curtis). 

 incursata, montanata, munitata, borealis, nemorella, con- 

 vallaria, algidata, defensaria, californiata, labradoriensis, 

 pontiaria, etc., iduata (which is abrasaria of American 

 workers). 

 3. Male antennse very shortly doubly bipectinate and fasciculate. 



4. Pectinations equal and stout, §30 abrasaria.- 



4. Alternate pectinations rudimentary, §31 fluctuata. 



3. Male antennae fasciculate and somewhat serrate. 1 

 4. Wings similar in markings, §32. 



stellata (sitellata is a misprint). 

 4. Hind wings simply marked, §33. 



designata, intermediata and various exotics. 

 3. Male antennae simple or nearly so, not fasciculate or deeply laminate. 

 4. Hind wings, and often fore wings yellow, §34. 



A large old-world group. 

 4. Fore wings with a more or less contrasting dark median area, 

 hind wings whitish. 



5. Coremata rudimentary, §35 silaceata 



5. Coremata large, §36. 



lacustrata, unangulata (probably not American), etc. 

 3. Male antennae more deeply prismatic. 



4. Larger, dark brown, markings about as in Triphosa, outer 

 margin wavy ; coremata doubtful. 



* This is Gypsochroa of Hulst, but not of Hiibner, 



