308 DRAGONFLIES OF NORTH AMERICA 
segments of the antennae ringed with black. Top of head black. Thorax and 
abdomen much as in irene except as noted in key. 
This species is found at the edges of upland bogs where cotton grass and 
sphagnum grow. 
299. Nehalennia integricollis Calvert 
Calv. 13, pp. 312; p. 373: Garm. ’27, p. 50. 
Length 22 mm. Expanse 26 mm. Noel 
This is one of the smallest of the damselflies. Face pale with black post- 
clypeus and a trilobed black line across the base of the labrum. Top of head 
black. Front of thorax black with metallic reflections becoming green towards 
the fore wing roots. Sides, below the middle, line yellow. Legs yellow; the 
femora lined and the tibiae dotted with black. Abdomen dark bronze green 
above becoming bluish toward the apex; yellow beneath. 8 above, wholly black; 
10 blue; 9 blue with a pair of large basal black spots. Appendages black in the 
male, yellowish in the female. 
300. Nehalennia irene Hagen 
Hag. ’61, p. 74: Mtk. Cat. p. 65: Butler ’14, p. 346: Whed. ’14, p. 92: Garm. 
717, p. 559 and ’27, p. 51. 
Syn: carlotta Butler 
Length 27 mm. Expanse 30 mm. Me. and N. D. to Fla. 
This is a delicate bronzy green species with blue tipped abdomen. Face pale, 
cross striped with black on the postclypeus and base of labrum. Basal segment 
of antennae ringed with black and white. Top of head metallic green. Front 
DARL 
pallidula 
Gg toe 
integricollis gracilis irene 
gracilis conditum 

of thorax wholly metallic green except for narrow black lines on the carinae, and 
the sutures. Sides yellow below the mid line. Legs yellow with black marginal 
lines on the femora and tibiae, and with black spines. Abdomen bronzy green 
above, yellowish beneath; the yellow extending, encircling the base of segments 
1-7. Black of dorsum restricted apically on 8-10; little on 8, two half length 
spots on 9, two basal spots on 10.: Appendages black in male, brown in female. 
Whedon (’14, p. 92) says: “It is usually found in the tall grasses 
about marshy places and kettle holes, never venturing into the higher 
