188 Journal New York. Entomological Society. [Voi. xvi. 



Hindiving. — Broadly lanceolate, costa arched at base nearly straight to outer 

 fifth, apex obtusely rounded, termen oblique, straight ; dorsal margin nearly parallel 

 to costa. Eight veins, 5 and 6 short stalked, 7 from upper angle of cell ; I* furcate 

 at base ; between 3 and 7 transverse vein is not tubular. Color bronzy brown, slightly 

 shining, but without the brilliant gold reflections of the forewing ; grayish white above 

 cell ; cilia shining grayish brown. Underside both wings shining golden gray. 



Described from about fifty specimens all taken in Essex County 

 Park, New Jersey, flying about or resting on the leaves and flowerets 

 of dogwood, Corn us candidissimus. May 30 to June 15. 



Cotypes, Cat. No. 12,058 U.S.N. M., in Dr. Dietz's and my collec- 

 tions. 



Named in honor of Wm. G. Dietz, M.D., of Hazleton, Pa., who 

 has recently revised the very difficult group to which this species 

 belongs. Dr. Dietz writes me that he believes that this species 

 represents a new and valid genus, but I prefer to leave this for future 

 settlement, which will be aided by the diagnosis and figures. The 

 specimens were all collected on two small clumps of C. candidissimus, 

 flying in the bright sunshine, morning and afternoon ; I visited these 

 clumps nearly every week during the summer and made exhaustive 

 efforts to find some clue to the life history, but without success. 



This species is much like P. acerifoliella Fitch but besides the 

 structural differences, the forewings of latter are brilliant metallic blue, 

 the hindwings are grayer and the head tuft is a deeper, brighter orange. 



Explanation of Plate. 



Fig. I. Venation Sfeganoptycha bolliana Sling. 



Fig. 2. Venation Covimophila timbrabasana sp. nov. 



Fig. 3. Venation Chrysopora versicolorella sp. nov. 



Fig. 4. YtnAiion , Chrysopora lingiilacella (Z\tn\. 



Fig. 5. Venation Argyresthia laricella sp. nov. 



Fig. 6. Venation Incurva7-ia dietziella sp. nov. 



Fig. 7. Venation forewing, Coleophoia elcEagnisella sp. nov. 



Fig. 8. Cases of Coleophorn eheagnisella sp. nov. 



