290 



This species is the most highly specialized of our fauna, according 

 to Mr. Meyrick's views on the phylogeny of the genus, because of 

 the complete absence of the scale tuft in the fringes of the secondaries. 

 This structure is present in all of our other species, though Mr. Mey- 

 rick records its absence from some of the exotic forms, and its absence 

 in this case removes all hesitation which we have felt about describing 

 from a single poor specimen. The parallel stripes of the abdomen are 

 also strikingly different from anything else which we have examined. 



2. Triciioptilus defectalis Walker. PI. XLI, fig. 1. PI. XLIX, fig. 9. 



Ptcrophorus defectalis Walker, List Lep. Ins. B. M. XXX, 943, 1864. 



Pterophorus congrualis id., op. cit. 943-4, 1864. 



Ptcrophorus oxydactylus id., op. cit. 944, 1864. 



Aciptilia haivaiicnsis Butler, Ann. & Mag. Nat. Hist. (S) Vll, 408, 1881. 



TrichoptUus ochrodactylus Fish, Can. Ent. XIII, 142, 1881. 



Femald, Pter, N. A., IS, pi. V, ff. 13, 14, 1898. 



Id., Bull. 52 U. S. N. M., 441, 1902. 

 TrichoptUus coinpsocharcs Meyrick, Trans. Ent. Soc. Lond. 16. 1886. 

 Trichoptiltis ccntctcs id., op. cit. 16, 1886. 



Walsinghani, Proc. Zool. Soc. Lond. 494, 1891. 



Id., op. cit. 1897. 



Grossbeck, Bull. Am. Mus. XXXVII, 135, 1917. 

 TrichoptUus ralumensis Pagenstecher, Zoologica XXIX, 239, 19(T0. 

 Triciioptilus OA'ydactylus Walsinghani, Faun. Haw. I, 471, 1907, 

 TrichoptUus coiigi'iialis Meyrick, Trans. Ent. Soc. Lond. 1907, 473, IWS. 



Id., Gen. Ins., C, 5, 1910. 



Id., Wagner's Lep. Cat. pars 17, 4, 1913. 



Barnes & McDunnough, Check List 150, 1917. 

 TrichoptUus defecluHs Meyrick, Gen. Ins., C, 5, 1910. 



Fletcher, Trans. Linn. Soc. Lond. (2, Zool.) XIII. 312, 1910. 



Walsingham, Biol. Cent. Am., Lep. Het. IV, 434, 1915. 

 Bucklcria defectalis Fletcher, Trans. Linn. Soc. Lond. (2, Zool.) XIII, 398, 1910. 

 Head, thorax and abdomen light brownish ochreous. Posterior end of 

 thorax whitish, abdomen often with divergent light and dark dashes on part of 

 the segments above. Antennae white above with a longitudinal brown line. 

 Third joint of palpi tipped with wliite and in some .specimens touched with 

 brown on the sides. Legs brown and white striped, oflfering the distinctive 

 feature noted in the key. 



Primaries light ochreous-brown, the first lobe more brownisli and crossed 

 by the two ordinary bands which are scarcely, if at all, paler than the ground 

 color. Second lobe hardly darker than the discal area and with the bands 

 scarcely indicated. Fringes brown, containing some whitish hairs and black 

 scales in cleft on each lobe and several tufts of black scales on the inner mar- 

 gin, the last at tlie apex and the preceding one followed by a pencil of white 



