OPHIOGOMPHUS 73 
14. Ophiogomphus rupinsulensis Walsh 
W alsh ’62, p. 388: Mtk. Cat. p. 85: Howe ’18, p. 29: ’23, p. 129, Garm. ’27, p. 138. 
Syn: pictus Ndm. 
Length 50 mm. Expanse 62 mm. Me. to Pa., to Wis., to Kan. 
A fine greenish species with brown shoulder stripes, and a rusty tipped ab- 
domen. Face and occiput yellow. The blunt and wrinkled occipital horns of the 
female are situated behind the eyes and their tips are directed toward the 
median line. Thoracic stripes of the first pair wanting. Stripe 2 abbreviated 
above, not reaching the crest, widely separated from 3 by a greenish line better 
Tupinsulensis 

defined on rear margin than on the front. Stripe 3 continuous, widest toward 
the upper end. Stripes 4 and 5 obsolete. Legs brown, pale to near the knees 
and on the outside of the tibiae. Wings hyaline costa yellow, stigma rufous. 
The middorsal pale line of the abdomen is continuous on the basal segments 
and becomes diffuse and obscure on 5 and 6, and has a russet tinge on the 
remaining segments. Segments 7 to 9 are black above in the apical half, narrowly 
divided by rufous on the middle line in the male. Appendages pale or rufous. 
Muttkowski (’08) reports this species as occurring about moist 
Woods and marshes from May to July. 
15. Ophiogomphus arizonicus Kennedy 
Kndy. 717, p. 538 (figs.). 
Length 54 mm. Expanse 72 mm. Ariz. 
This is a pale yellowish desert species, with stripes of thorax reduced to a 
minimum. Face and occiput yellow. Female with one pair of occipital horns. 
Thoracic stripes 1 and 4 are wanting; 2 is represented by a roundish spot mid- 
way the space that stripe usually occupies; 3, a narrow but complete line, and 
5, @ point of brown in the lower end of its suture. Legs black with yellow bases; 
the tibiae are pale externally. Feet black. Wings hyaline, stigma tawny. The 
