BUTTERFLIES OF MAINE. 83 
beyond the middle, and edged with white on the outside. 
Between this last and the outer border, is a row of black 
spots, which are more or less wedge-shaped. The outer 
space is somewhat sprinkled with whitish scales. | 
The larva of this species feeds on various kinds of pine, 
and is described as being green and pubescent, with three. 
longitudinal stripes on the back, the middle one pale yellow,, 
the other two white. Near the feet there is usually a small 
marginal white line. The head is brown. 
The pupa is grayish, with four rows of small spots, of 
which the two middle ones are blackish and indistinct, and 
the others ferruginous. 
The butterfly is on the wing in Orono during the middle of 
May. 
45, THECLA LAETA, Edw. 
Thec’-la lae’-ta. 
Expanse of wings, one inch. 
Upper side of the wings in the males, black with a few: 
metallic blue scales near the base of the fore wings, and a. 
band of the same color on the hind wings, extending from 
the anal angle half way along the outer margin. Under side. 
of the hind wings, apex and costal margin of the under side. 
of the fore wings, slate blue with greenish reflections. Cos-- 
tal edge of the fore wings, red. Disk of the same, smoke. 
color. A series of five small red spots, edged on the outside 
with white, starts from the outer fourth of the costa, on the 
under side, and extends a little more than half way across the. 
wing. 
The under side of the hind wings have two series of red’ 
spots parallel to the outer margin, those of the outer series 
being small, and more or less surrounded by a delicate white 
border in which are a few black scales. The inner series. 
crosses the middle of the wing, and is somewhat sinuous, the 
spots larger, brighter red, and crescent shaped, bordered on 
the outside with white in which are a few black scales. 
