302 



O.ryl^lilus nigrocUiatus Zeller, Verb. z-b. Ges. Wicn XXIII, 332, 1873. 



Walsingham. Pter. Cal. Ore. 31, pi. II, f. 8, 1880. 



Dimmock, Psycbe III, 403, 1882. 



Packard, Kept. U. S. Dept. Agr. 326, 1886 {fide Hy. Edw.). 



Ply. Edwards, Bull. 35, U. S. N. M. 136, 1889. 



Saunders, Ins. Inj. Fruits 314, 1889 (bio!.). 



Packard, 5tb Kept. U. S. Ent. Com. 851, 1890. 

 Oxyl^tUus tcnuidaciylus Murtfeldt, Am. Ent. Ill, 235, 1880. 



Fernald. Smith's List Lep. N. A. 88, 1891. 



Dyar, Psyche VIII, 249, 1898 (biol.). 



Fernald, Pter. N. A. 20, 1898. 



Id., Bull. 52, U. S. N. M. 442, 1902. 



Dyar, Proc. U. S. N. M. XXVII, 923, 1904, (bid). 



Anderson, Cat. B. C. Lep. 50, 1904. 



B. C. Ent. See. Check List 42, 1906. 



Forbes, Psyche XVI, 136, 1909. 



Meyrick, Gen. Ins. C, 7, 1910. 



Winn, List Ins. Que. 85, 1912. 



Meyrick, Wagner's Lep. Cat. pars 17, 8, 1913. 



Barnes & McDunnough, Check List ISO, 1917. 



Britton, Ins. Conn. 103, 1920. 

 ■\0.ryplilus dclavarims Forbes, Rept. Ent. II!. XIV, 91, 1885 (biol.). 



Very dark brown, with a coppery tinge. Antennae white, dotted witli 

 brown above. Palpi white with lateral brown stripes, the third joint sometimes 

 entirely brown. Thorax wliite behind. Legs white, first and second pairs 

 striped with dark brown except tarsi, which are touched with brown on one 

 .side of each joint. Hind legs as in pcriscelidactylns but with dark brown mark- 

 ings. Abdomen brown, with diverging pairs of white stripes on t!ie third seg- 

 ment. Fourth segment entirely brown above, fifth mostly white, due to the 

 extension of stripes similar to those on the third. Beneath, the abdomen is more 

 licaviiy marked with white, tlie fourth segment almost entirely wliite. 



Primaries with a fine transverse white line across outer !ialf of both lobes. 

 First lobe willi a broader stripe basad of tliis. Second lobe with this stripe 

 represented Ijy a small white patch. Fringes and secondaries as in (icriscelidac- 

 tylus but much darker. Exp. 13-17 mm. 



Fernald's figuies of genitalia under this name appear to l)e!ong 

 to the following species. 



Distribution: Quebec to W. Va., west to Vancouver Id. (Day), 

 Tex. and Cal. Ma)- to Aug. 



Tlicre are three specimens in the Fernald collection among Fitch's 

 material. tv,-o of which bear P'ernald's type labels. One of these is 

 fragmentary and the other a 9 in good condition. 



