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Uhler's Sundragon



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Helocordulia uhleri

Selys, 1871


Order Odonata
Suborder Anisoptera
Superfamily Libelluloidea
Family Corduliidae
Genus Helocordulia
Species uhleri (Selys, 1871) [Cordulia]


Identification

This uncommon species is similar to the preceding one, but Uhler's Sundragon has a small amber spot adjacent to the dark er basal spot in each wing. Its range is more restricted within the south-central United States.

Size

Total length: 41-46 mm; abdomen: 28-33 mm; hindwing: 25-30 mm.

Similar Species

Differences between Selys' Sundragon are given above and under the description for that species along with differences between other species.

Habitat

Small, rapid forest streams, often with impeded flow, and occasionally lakes.

Discussion

One author said this species "...is inconspicuous and flies with great speed, within two or three feet of the water, following the shore line closely." This species has only rarely been reported from Oklahoma and Arkansas. Uhler's Sundragon was reported from Louisiana, but it was later determined that all specimens were actually Selys' Sundragon, and the Louisiana records can probably be attributed to the past confusion in separating these two species.

Distribution

Widespread, eastern U.S. and Canada.