202 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxv. 



coloradella Walsingham, Dyar List N. Am. Lep., No. 5023. 

 dimidiella Walsingham, Dyar List N. Am. Lep., No. 5925. 

 quadrimaculella Chambers. Dyar List N. Am. Lep., No. 5927. 



13. Genus DECANTHA, new. 



Labial palpi moderately long; second joint somewhat thickened 

 with appressed scales, slightly rough in front; terminal joint shorter 

 than second joint, rather thick, pointed. Antennae with strong 

 pecten on basal joint; simple. Tongue developed. Forewings 

 elongate, pointed; termen very oblique; 11 veins; 7 and 8 coincident 

 to costal edge. Hindwings narrower than the forewings; 8 veins; 

 6 and 7 parallel; 3 and 4 separate; 5 nearest 4, cubital. 



Type. — Decantha borkhausenii (Zeller). 



Includes only the one species, common to Europe and North 

 America : 



borkhausenii Zeller, Dyar List N. Am. Lep., No. 5922, with boreasella 

 Chambers, Dyar List N. Am. Lep., No. 5921, as a synonym. 



14. Genus EUCLEMENSIA Grote. 

 Euclemensia Grote, Can. Entom., X, 1878, p. 69. 

 Labial palpi long, slender, curved, smooth; terminal joint shorter 

 than second joint. Antennae somewhat thickened with scales, without 

 pecten on basal joint. Tongue obsolete. Forewing narrow, elongate, 

 pointed ; 12 veins; 7 and 8 stalked ; both to costa. Hindwings nearly 

 as broad as forewings; 8 veins; 6 and 7 parallel; 3 and 4 separate. 

 Type. — Euclemensia hassettella (Clemens). . 



An American genus, not identified elsewhere; the two species 

 known are parasitic on Kermes. 



hassettella Clemens, Dyar List N. Am. Lep., No. 5918. 

 siltivarziella Busck, Dyar List N. Am. Lep., No. 5919. 



15. Genus FABIOLA, new 



Labial palpi long, curved; second joint with smoothly appressed 

 scales; terminal joint slender, nearly as long as second joint. An- 

 tenna' without pecten on basal joint; in the male with rather long (2) 

 cilia. Tongue developed. Forewings elongate, ovate, obtusely 

 pointed; 11 veins; 7 and 8 coincident to costal edge. Hindwings nar- 

 rower than the forewings; 8 veins; G and 7 parallel; 3 and 4 connate. 



Type. — Fabioht slmlh ii< lln (Chambers). 



The European polcornyi Nickerl belongs to this genus. 



Only the one North American species is at present known : 

 shalleriella Chambers, Dyar List N. Am. Lep., No. 5928. 



16. Genus CECOPHORA Latreille. 

 QScophora Latreille, (Jen. Crust, et Insect., 1806. 

 Labial palpi long, curved; second joint thickened with appressed 

 scales; terminal joint shorter than second. Tongue developed. An- 



