932 PROCEEDINGS OF THE NATIONAL MUSEUM. vol xxv. 



This type proves the species to belong- to the above g'enus, very 

 close to Telphasa (jaercintg/'acMa Chambers.^ It is easily mistaken 

 for this species, especially if only flown specimens are at hand. I 

 have, however, good series of V)oth species bred from oak and have 

 blown larvffi of both, and the}" are undoubtedly distinct. Quet^cini- 

 graceUa has a darker ground color than fusco^ninctella and has a dis- 

 tinct oblique dark fascia of raised scales at basal third of the wing, 

 which is absent in fuscojyuncteUa. Distinction can only be made with 

 certainty between perfect specimens. When a little flown and rubbed 

 the two species are extremel}^ alike, and are also hard to separate 

 from imperfect specimens of Telphtisa palliderosacella Chambers. 

 The larvae of the two species are equally easily mixed up, the more 

 so as they both feed on oak in a similar manner, and both are found 

 together in the District of Columbia. 



Careful examination discloses certain constant differences. On the 

 head, which in both species is yellow, fmcopunctella has two separate 

 black eye marks on each side, while in qite7'cinigracella they are con- 

 nected and form a longitudinal line; the thoracic shield, which in both 

 species is yellow, is xwfuscojjunctelhinvAV^i^di with two central anterior 

 and two larger posterior black spots, while in quercinlgraceUa no 

 anterior black marking is found, and the posterior ones are more lat- 

 eral and more extended, forming a nearly complete black edge. The 

 tubercels are very small, shining, black, and similarly placed in both 

 species, but the hairs in quereinfgrace//a are light, whitish, while in 

 fuscojmncteUn they are dark. When mature, the larva? of both species 

 assume a conspicuous deep reddish coloration, with transverse whitish 

 rings, but the whitish rings are on the middle of the segments in 

 J^vscopuneteUa^ while in qnercinigi'acella it is the intervals between the 

 segments that remain white. 



CHRYSOPORA LINGULASELLA Clemens. 

 Chrijsoporii lingulasella Bu8CK, Proc. U. S. Nat Mus., XXV, p. 792. 

 Clemens' type of Nomia lingidaseUa^ No. 81, lacks the wings on the 

 right side, but is easily recognizable and verifles my conception of the 

 species. 



ARISTOTELIA ROSEOSUFFUSELLA Clemens. 

 Aridotelia roxeosuffmella Busck, Proc. U. S. Nat. Mus., XXV, p. 796. 

 Two types in good condition were found of Gelechia r'oseosuffu^ella^ 

 Clemens' No. Tt». 



These types can not be distinguished from the present conception of 

 the species, but do not thereby remove the uncertainty shown by the 

 writer to exist. Breeding of similar adults from the racemes of Rhus, 

 together with careful notes on the larvae, is still necessary to settle it. 



iBusck, Proc. U. S. Nat. Mus., XXV, p. 781. 



