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Double-ringed Pennant



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Celithemis verna

Pritchard, 1935


Order Odonata
Suborder Anisoptera
Superfamily Libelluloidea
Family Libellulidae
Genus Celithemis
Species verna Pritchard, 1935 [Celithemis]


Identification

This species is different from the other small pennants in the south-central United States, because it lacks pale spots dorsally on abdominal segments 5-7, and the hindwing has only a small black basal spot. Its face and thorax are yellowish becoming black in older males. The black middorsal and humeral stripes are confluent at their lower ends. The mid- and third lateral stripes are present, but interrupted and irregular. The wings have only a small black basal spot. The abdomen is black except for pale basal segments in tenerals and females.

Size

Total length: 31-36 mm; abdomen: 20-24 mm; hindwing: 25-29 mm.

Similar Species

Seaside Dragonlet (Erythrodiplax berenice ) lacks a dark basal spot in the hindwing.

Habitat

Newly formed lakes and ponds with emergent vegetation.

Discussion

This species was originally described from Quinton, Oklahoma where Pritchard stated he "...had very little success...in finding verna in the day time. At daybreak, however, ...numbers were found emerging among water lilies. During the day, several teneral specimens which were flushed from the vegetation bordering the lake fluttered to the tree tops." Minter Westfall noted this species as locally common near Henersonville, North Carolina, but difficult to capture. It is an active species often found out over the water just beyond reach. Westfall used a slingshot to capture single males. Females lay eggs accompanied by the male, dipping the abdomen in the water along the shore at frequent intervals.

Distribution

Southeastern U.S. from New Jersey to Florida and Texas.