116 DRAGONFLIES OF NORTH AMERICA 
narrow and divergent, and abbreviated below, not reaching the collar. Stripe 2 
wider than 1 but not as wide as the intervening spaces, and well separated from 
stripe 3 by a green line. Stripe 3 is narrower than 2 except at a depression toward 
its upper end. Stripes 4 and 5 are very incomplete. Wings hyaline with black 
veins and tawny stigma. Legs black, yellow to middle of femora, black beyond. 
we 
furcifer 
villosipes 

Hind femora of male with only a few long white hairs. Middorsal line of yellow 
triangles on the abdomen narrowly lanceolate on the middle segments, becoming 
obsolete on the eighth; segment 9 wholly black above; 10 yellow, and there are 
apical touches of yellow on the lateral margins of 7, 8 and 9. 
72. Gomphus villosipes Selys 
Selys 54 53: Mtk. Cat. p. 98: Wlsn. ’09, p. 656: Lyon, 715, p. 46: Howe ’23 
p. 132: Garm. ’27, p. 159. 
Length 54 mm. Expanse 68 mm. Mass., Pa., to Mich., Ill. 
A large greenish species striped with brown on the thorax, and with blackish 
abdomen. Face and occiput yellow, the latter black margined in the male, and 
with a median marginal tooth in both sexes. Thoracic stripes of the first pair 
narrower than the adjacent green areas, a little widened forward, abbreviated 
in front and separated by the carina. Stripe 2 free above, separated from 3 by 
a pale line. Stripe 3 complete, 4 and 5 obsolete, except at extreme ends. Wings 
hy aline; costal margin yellow; stigma yellowish. Legs black except at base. 
H ind femora of male densely clad with long soft hairs commingled with numerous 
slender spines. Tibiae pale externally. Middorsal pale line of abdomen obscure, 
abbreviated on segments 3-7; 8 and 9 black above on male, paler in female; 10 
and superior appendages yellow, blackish at sides. 
This is a common species at Ithaca N. Y., where its nymphs burrow 
in the mud of the settling basins of all the larger hill streams. The 
middle of May is the time of emergence. The handsome strong-flying 
greenish gray adults are hard to follow with the eye as they dart about 
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