70 DRAGONFLIES OF NORTH AMERICA 
8. Ophiogomphus colubrinus Selys 
Selys 54, p. 40: Mtk. Cat. p. 84: Howe 18, p. 29: ’23, p. 128: Garm. ’27, p. 133. 
Length 51 mm. Expanse 64 mm. Me., N. F. 
A greenish species rather heavily marked with black. Face greenish cross 
lined with black on all the sutures and around the free border of the labrum. 
Occiput greenish. Thoracic stripes of the first pair confluent, rather narrower 
than the bordering pale stripes, and slightly widened forward. Stripes 2 and 3 
well developed, separated by a narrow green line, 4 and 5 obsolete. Legs blackish 
except at extreme base. Wings hyaline with yellow stigma. Abdomen with the 
usual maculose middorsal line. Appendages yellowish, the inferior blackish on 
its edges. 
9. Ophiogomphus anomalus Harvey 
Hrvy. ’98, p. 60 (fig.): Calv. ’01, p. 241: Mtk. Cat. p. 83: Howe ’18, p. 28: Garm. 
727, p. 133. 
Length 47 mm. Expanse 58 mm. Me. 
A slender greenish species rather heavily striped with black. Face greenish 
cross-striped with black on both the frontal and labral and on the middle of 
the clypeal sutures, and around the front border of the labrum. Occiput greenish 
with blackish on outermost angles that are continued in a black ridge behind 
the eye. Thoracic stripes of the first pair confluent and slightly widened forward 
2 a Op) 
colubrinus 
to the collar. Stripe 2 presents a free angle above and then is fused with 3 for a 
space, then separated by a greenish line for most of its length, and then fused 
with 3 again below. Stripe 4 is obsolete above the spiracle; from that level a 
blackish bar runs backward and downward to join the lower end of stripe 5, 
making a black N. Stripe 5 complete continuous. Wings hyaline; stigma brown. 
Legs black. Abdomen black with middorsal and lateral yellow stripes the 
whole length; reduced basal spots on the middle segments; on 8 clubshaped; on 
9 square; on 10 round, pointed behind. Side margins of 9 and 10 entirely yellow; 
on 9 a C-shaped mark. Appendages black. 

phaleratus 
