Helocordulia
Needham, 1901
sundragons
Species Guides
2- Helocordulia selysii(Selys' Sundragon)
- Helocordulia uhleri(Uhler's Sundragon)
Helocordulia is a of in the Corduliidae, commonly known as sundragons. The genus contains two and is restricted to eastern North America. These are medium-sized odonates with distinctive coloration.
Pronunciation
How to pronounce Helocordulia: //ˈhɛloʊˌkɔːrˈduːliə//
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Identification
Medium size (38–46 mm) distinguishes Helocordulia from smaller corduliids. The combination of dark brown body with orange markings separates it from other eastern North American Corduliidae. The two within the require examination of abdominal patterning for definitive identification.
Images
Appearance
Medium-sized , 38–46 mm in length. Dark brown body with orange markings.
Habitat
Clear streams and lakes with sandy bottoms.
Distribution
Eastern United States and Canada. Distribution records include Vermont and other eastern US localities.
Similar Taxa
- Other Corduliidae generaHelocordulia is distinguished from other eastern corduliids by its medium size (38–46 mm) and specific color pattern of dark brown with orange markings.
More Details
Species diversity
The contains only two .
Etymology
'sundragons' likely refers to association with sunlit clear waters.