NORTH AMERICAN BUTTERFLIES. 133 



1.35. Habitat, Atlantic States, Mississippi Valley, Montana, and Cal- 

 ifornia. Occurs from May until August. 



333. THECLA MELINUS Bd. 



Allied Hair-streak. 



Quite similar to T. humuli in general coloration, differing in the 

 absence only of the red edging to the black line, crossing both wings. 

 Expands 1.25 to 1.30. Habitat, California, Nevada, and Arizona. 



333a. Thecla melinus pudica, differs from typical T. melinus in 

 being much paler, with markings very faint, they being quite obliterat- 

 ed on fore wing. Size also smaller. Expands .DO. Found in Arizona 



334. THECLA ALCESTIS Edw. 



Tawny Hair-streak. 

 Size, medium. Tails, two, both long. Pale yellowish brown, un- 

 spotted. Grayish, beneath. Both wings have a sub-marginal line of 

 wdiite, black edged, broken by the veinings on fore wings, and on upper 

 half of hind pair. Then forming crescents in middle, and ending at in- 

 ner angle in a straight line. It is edged with orange outwardly, then 

 between this edging and the margin, is a clear grayish space. At inner 

 angle is a round black spot, with an orange stripe, next this is a large 

 black spot, covered with bluish scales ; beyond this is a round black spot. 

 Both wings are crossed by a white line, which is straight to middle of 

 hind wing then zigzag. On middle of wing is a white stripe. Exjiands 

 1.30. Habitat, Texas and Mt. Graham, Arizona. 



335. THECLA ACADICA Edw. 



Pale Hair-streak. 

 Size, large. One tail, long, the other rudimentary. Pale smoky 

 brown above. Sex mark, narrow, and ashy in color. There is a nar- 

 row sub-marginal line of black on both wings. On hind pair, there is 

 a spot of orange between the tails, beneath which is a black line, and 

 below this a second black line, extending to the inner angle, where there 

 is a black spot. Very pale slate beneath, Avith bronzy reflections, mar- 

 gined as above. On fore wings there is a line of black spots, orange 

 edged without, white edged within, then a line of white-ringed black 

 spots, and in the middle of the wing is a short line of black, white-ringed, 

 and having a lighter center. On hind wings these markings are repeat- 

 ed, excepting that the red spots, along outer line of black, arelarger 

 The tail is black, and between it and the black spot on inner angle is a 



