AMERICAN TORTRICIDAE. 285 



Posterior wings very pale shining fuscous. 



Expanse^ 20 mil. 



Ilahitat — Pennsylvania (Theo. Bunte). 



Conchylis ridingsana, n. s. (Plate viii, fig. 77^.) 



Palpi, head and thorax pale ochreous ; patagia touched with silvery. 



Anterior wings pale ochreous with shining silvery-white markings. 

 A narrow silvery stripe runs from the base along internal margin to in- 

 ternal angle. A broader silvery stripe commencing at base runs through 

 the center of the disc to the outer third of the wing, beyond, a slightly 

 irregular spot runs longitudinally nearly to external margin. The cen- 

 ter of the costa is marked with silvery scales which continue as a spot 

 obliquely outwardly to above the center of the irregular spot mentioned 

 above. A small rounded silvery dot on the costa is followed by a large 

 sub-apical costal spot enclosing a pale ochreous dot. A marginal sil- 

 very stripe runs from the apex to the middle of the outer margin. All 

 the silvery markings are narrowly margined with dark brown scales. 

 Fringes pale fuscous with a fine line of black scales internally. 



Posterior wings very pale shining fuscous. Fringes white. 



Expanse. 23 mil. 



Ilahitat. — Colorado Territory (James Ridings). 



Conchylis bimaculana, (Plate viii, fig. 78.) 



Head, thorax and palpi pale testaceous, the latter touched with fus- 

 cous externally. 



Anterior wings pale fawn color, with a large brownish-olivaceous 

 kidney-shaped spot on the disc, and a large blackish-brown, semicircu- 

 lar spot in the outer third of the wing. Costa at base tinged with 

 brownish olivaceous and numerous minute brown dots along internal 

 margin. Fringes pale. 



Posterior wings dark fuscous above, paler beneath 



Expanse^ 15 mil. 



Habitat. — Texas (Belfrage). 



Conchylis dorsimaculana. (Plate viii, fig. 79-) 



Lozopera '! angustana, Clemens, Proe. Ac. N. S. Phil., p. 354, 1860. 



Palpi, head and thorax white. Anterior wings pale greenish-yellow, 

 sometimes white. The costa streaked with greenish-brown, this shade 

 being most prominent on and near the base, on the middle and just be- 

 fore the apex. A greenish brown fascia runs obliquely outwardly from 

 internal margin near the base half across the wing; beyond, on the 

 middle of internal margin a darker greenish-brown patch margined by 

 dark brown scales. A dark brown dot near the middle of external 



TRANS. AMBR. ENT. SOC. (37) FEBRUARY, 1869 



