LYCAENINAE: THECLA ONTARIO. 875 



Table of species, based on the imago. 



Dsrkcr colors of llie l).aiul crossing miiUIlo of outer half of iiiulor surface of fore wing edged 

 on the exterior, l)Ut not on interior, side with white; upper veinlet closing the cell bent 



strongly, the lower limb enormously elongated Ontario. 



These same darker colors edged on l)otli sides with white; upper veinlet closing cell straight, no 

 longer than the lower. 

 These same colors forming quadrate spots, generally edged only with straight white 

 lines on exterior and interior sides. 

 The white edging forming a broken line by being cousiderably shifted in |)Osition on 



cither side of the nicilian area ..liparops. 



Th<> white edging forming a continuous or crcnulate line calanus. 



These colors forming circular spots, generally completely encircled with white. 



Ground color of under surface slate brown edwardsii. 



Ground color of under surf ace pearl gray acadica. 



THECLA ONTARIO —The northern hair streak. 



[The northern hair streak (Scudder) ; Ontario streakeil butterfly Maynard).] 



Tkecla Ontario Edw., Trans. Amcr. ent. U. S., 265-266 (1886);— Mayn., Butt. N. Engl. 

 80C., ii: 209-210 (1868) ; Butt. N. Araer., i, The- 31-32. not the plate (1886). 

 clttii, figs. 1, 2 (1869);— French, Butt. East. 



And darted up and down the butterfly, 

 That seem'd a living blcssom of the' air. 



Bkyant. 

 . . . I'll lead you about a round. 

 Through bog, through bush, through brake, through brier. 

 SnAKi!SPEARK. — A Mtdsiimmer-NiyhVs Dream. 



Imago (6 : 15). Head blackish, the eyes encircled, excepting next antennae and the 

 usual space in its vicinity, with snow white scales, narrowly interrupted beneath, con- 

 nected by a similar transverse band just above the tongue ; a narrow longitudinal 

 stripe of long, mixed white and brownish hairs on the vertex, connected by a similar 

 but slighter line just in front of the antennae; basal antennal joint edged behind with 

 ■white; antennae purplish black, aunulated with white at the base of the joints of the 

 stalk, narrowly above, broadly beneath, forming by their confluence at the base of the 

 club, a pretty large, white patch, with a few scattered blackish scales ; club velvety 

 black above, slightly obscured with hoary beneath, the terminal two joints orange. 

 Basal and middle joints of palpi white within and without; the upper outer apex of 

 the basal and the upper outer margin of tlie middle joint blackish brown ; terminal 

 joint blackish brown, the apex and extreme base white and a few white scales 

 beneath. Tongue luteous at base, fuscous beyond. 



Thorax covered above with dark mouse brown hairs, the prothoracic lobes with 

 blackish brown and the front of the thorax with greenish and bluish gray hairs; 

 beneath, with pale bluish hoary and on the pronotum with grayish hoary hairs. Fe- 

 mora covered with nacreous scales, flecked with dark brownish scales, especially along 

 the lower, inner border, the lower edge well tufted with grayish pearly aud dark 

 brown hairs, the former in excess; tibiae white, flecked with dark brown scales, 

 which especially collect along the median line of the upper surface, which is broken 

 subapically and terininates before the apex; tarsi bi,ack, broadly annnlated at the apex 

 of each joint, and at the middle of the flrst, with white ; under surface f usco-lutcous ; 

 spines testaceous, black tipped ; claws ferruginous, darker apically. 



Wings above lustrous blackish brown with .a very slight ferruginous reflection, the 

 veins very slightly, the scales surrounding the discal spot of fore wings in the m.ale 

 decidedly, black; outer edge of all the wings black, preceded, in the lower median 

 Interspace of the liiud wiugs and below that, by a slender line of white scales; in the 



