108 DRAGONFLIES OF NORTH AMERICA 
4 complete and rather broad, the area between them sometimes obscure. Wings 
hyaline, costa yellow, stigma brown. Legs brown, marked with yellow under- 
neath the femora, on the outer face of the tibiae, and the tarsi. Abdomen brown 
with the pale middorsal line obscure, yellowish, continuous, becoming diffuse 
on segments 9 and 10. The little dilated sides of segments 7 to 10 are yellowish. 
Appendages pale brown. 
58. Gomphus exilis Selys 
Selys. ’54, p. 55: Mtk. Cat. p. 92: Howe 18, p. 32:23, p. 184: Garm. ’27, p. 153. 
Length 43 mm. Expanse 54 mm. Me., Wis. to Ky. and Pa. 
This is a small dull greenish species striped with pale brown. Face and occiput 
green. Thoracic stripes of the first pair broad, fused except on the middle of the 
carina, dilated forward, together forming a median triangle. Striped 2 incurved 
above to the collar: 2 and 3 are of about equal width, more or less fused for a 
distance, but separated both above and below the fusion by narrow pale lines. 
Stripes 4 and 5 and the entire area between them dull brown. Wings hyaline, 
stigma brown. Legs brown; tibiae externally yellow; tarsi black. The middorsal 
pale line on the abdomen is nearly continuous, narrowed on segment 8, broadened 
and diffused on 9 and 10. The slightly dilated side margins of segments 7 to 9 
are dull yellow. Appendages brown. 
A common species of the northeastern United States, about the 
shores of canals lakes and ponds, frequenting the more sheltered places. 
Williamson (’20) noted it ‘‘resting on blue grass heads and on the 
leaves of maples not over two feet high.’”’ ‘‘On dead weed stems, and 
on the windrow of debris along the lake.” 
59. Gomphus spicatus Hagen 
Hag. ’54, p. 54: Mtk. Cat. p.97: Stout 718, p. 68: Howe ’18, p. 34: ’23, p. 133. 
Garm. ’27, p. 156. 
Length 47 mm. Expanse 56 mm. Me., Ont., Wis., and Pa. to IIl. 
spicatus 
| 
australis 

A greenish species striped with dull brown. Face and occiput green. Thoracic 
stripes of the first pair broad, diffuse, widened a little toward the collar; laterally 
