130 NORTH AMERICAN BUTTERFLIES. 



GENUS L. THECLA. HAIR-STREAKS. 



Small, colors usually dark above, lighter below, orna- 

 mented with small s23ots of brighter color along outer bor- 

 der of hind wings. Fore wings, triangular. Hind wings, 

 rounded and often tailed. There is usually an oval sex 

 mark on fore wing of male. Type, T. poeas. ( Plate, 

 IX, 7. ) 



323. THECLA GRUNUS Bd. 

 Bosduval's Hair-streak. 

 Size, large. Yellowish-brown above (Females more yellow in cen- 

 ter of wing). Beneath, yellowish white, with a central band of pale 

 black. On outer margin of hind wings are some pale crescents. Ex- 

 pands 1.50. Habitat, Northern and Southern Nevada. 



327. THECLA CRYSALUS Edw. 

 Colorado Hair-streak. 



Size, large. One tail. Purple above, with outer margin of both 

 wings, and upper margin of hind pair broadly edged with black, and 

 more narrowly on upper margin of hind pair, depending from this in the 

 middle, is a large black spot. In the marginal band on the lower side 

 of fore wings are four yellowish spots, and in the angle is another trian- 

 gular spot. On hind wings are two oval yellowish spots, with black pu- 

 pils. Tail, long, black and white tipped. Lower side brown, faintly 

 i ngedwith purplish. Fore wings, with a sub-marginal band of black 

 spots, preceded by a white line, and the yellowish spots are repeated. 

 There is a second line of bark brown crossing wing, white edged on both 

 sides. Hind wings, with a marginal series of 3'ellow spots, with one on 

 inner angle, black, and one or two in middle of wing have black pupils, 

 but those towards upper margin are pale. Outside these spots, is a black 

 line. Crossing middle of wing is a brow^sh line, white bordered. 

 There is a line in cell, and a dark brown stripe extendmg from upper 

 border to middle of wing. Expands 1.50 to 1.70. Habitat, Southern 

 Colorado. 



327a. Thecla CRYSALUS citima H.Edw. Differs from the type, T. 

 crysalus, in having the yellowish spots above very faintly indicated. The 

 color beneath is more ashy, and the markings are less prominent, often 

 nearly wanting. Habitat, Mt. Nemo, Utah, and South Western Colo- 

 rado. 



