493 



sometimes smooth, sometimes ornamented with small trapezoidal tubercles, 

 but without any other eminence ; head flattened ; living on trees." — (Guene'e.) 



Synopsis of the Species. 



A. Wings well bent, with a distinct angle on the hinder pair: 



Suboehreous, with dark Hues edged with ochreous T. fervidaria. 



Whitisb-ochreous, with two parallel straight lines T. endropiaria. 



B. Wings slightly bent; hind wings rounded: 



Dusky; hyaline ; veins dark T. seminudaria. 



Therina fervidaria Hiibner. Plate 12, figs. 2, 3; larva, plate 13, fig. 34; 



pupa, fig. 34 a. 



Therina fervidaria Hiibner, Geyer's Zutr., 8, figs. 499,500, 18'£>. 



Ellopia fervidaria Guen., Phal., i, 13 - 2, l-.">7. 



Ellopia fiscellaria Guen., Phal., i, 133, 1857. 



Ellopia flagitiaria Guen., Thai., i. 133, 1857. 



EUopia fervidaria Walk., List Lep. Het. Br. Mus., xx, 161, 1860. 



EUopia fiscellaria Walk., List Lep. Het. Br. Mus., xx, 161, 1860. 



Ellopia scitata Walk. ! ! !, List Lep. Het. Br. Mus., xxvi, 1510, 1862. 



12 $ and 2 9. — Pale ochreous, more so than usual; head and front of 

 the thorax and antennae deep ochreous. Wings densely speckled with smoky 

 spots (though varying in degree of irroration). Wings well angulated, the 

 angle on the fore wings often acute, on the hind wings forming a slight tail. 

 Outer line dark brown, bordered externally with ochreous. Inner line 

 situated either on or a little within the inner third of the wing, a little 

 curved. Discal dot dark, distinct, sometimes wanting on the hind wings. 

 Outer line sinuate, or zigzag, varying greatly, the angle on the first median 

 venule being slight or very marked on both wings. On the hind wings, a 

 single line only. Beneath, much paler ; the lines re-appear, but are diffuse 

 and smoky. Legs: tibiae and tarsi of the two pairs of fore legs brown; hind 

 legs pale ochreous. 



Length of body, S, 0.60; of fore wing, <?, O.G5-0.85, 9, 0.73; ex- 

 panse of wings, 1.50 inches. 



Montreal, Canada (Lyman) ; Dublin, N. H. (Leonard, Harris Coll.) ; 

 Massachusetts (Sanborn and Harris Coll.); Amherst (Packard); Maine, 

 common in hard woods late in September and early in October (Packard 

 and Morse) ; Salem, Mass., October 1 (Cassino) ; New York (Angus and 

 Grote) ; Albany, N. Y. (Lintrier and Meske) ; Philadelphia, Pa. (Ent. Soc.) ; 

 Victoria, Vancouver's Island, July (Edwards and Crotch, Mus. Comp. Zool.). 



