| Boghaunters | |
|---|---|
 | |
| Williamsonia fletcheri | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Odonata |
| Infraorder: | Anisoptera |
| Family: | Corduliidae |
| Genus: | Williamsonia Davis, 1913 |
Williamsonia is a genus of small dragonflies in the family Corduliidae. They are commonly known as boghaunters. Unlike other genera of emerald dragonflies, they have dark eyes and nonmetallic bodies. [1]
The genus consists of only two living species: [2]
| Image | Species | Distribution |
|---|---|---|
 | Williamsonia fletcheri Williamson, 1923 – ebony boghaunter [1] [3] | southeastern Canada and the northeastern United States. |
 | Williamsonia lintneri (Hagen in Selys, 1878) – ringed boghaunter [3] | United States ( Wisconsin, Michigan, New England, New York, and New Jersey) |
Corduliidae, also knowns as the emeralds, emerald dragonflies, or green-eyed skimmers, is a family of dragonflies. These dragonflies are usually black or dark brown with areas of metallic green or yellow, and most of them have large, emerald-green eyes. The larvae are black, hairy-looking, and usually semiaquatic. This family include species called "baskettails", "emeralds", "sundragons", "shadowdragons", and "boghaunters". They are not uncommon and are found nearly worldwide, but some individual species are quite rare. Hine's emerald dragonfly, for example, is an endangered species in the United States.
Somatochlora, or the striped emeralds, is a genus of dragonflies in the family Corduliidae with 42 described species found across the Northern Hemisphere.
Hemicordulia is a genus of dragonfly in family Corduliidae. It occurs in Africa, southern Asia, Australasia and Pacific Islands such as the Bonin Islands, Fiji and French Polynesia. Species of Hemicordulia are small to medium-sized dragonflies, coloured black or metallic, with yellow.
Lestes is a genus of damselfly in the family Lestidae. The family hold their wings at about 45 degrees to the body when resting. This distinguishes them from most other species of damselflies which hold the wings along, and parallel to, the body when at rest.
Macromia is a genus of large dragonflies in the family Macromiidae. Species of the genus Macromia are commonly known as river cruisers from their habit of cruising long distances along river banks. Most species occur in the tropical Australasian region, with one species being found in Europe , and a few species occurring in North America.
Macromidia is a genus of dragonfly in family Synthemistidae, which is earlier treated as a subfamily of Corduliidae. According to World Odonata List, this genera is best considered incertae sedis. It contains the following species:
Neurocordulia is a genus of dragonfly in the family Corduliidae. They are commonly known as shadowdragons.
Somatochlora sahlbergi, the treeline emerald, is a species of dragonfly in the family Corduliidae. It is found at high latitudes across northern Eurasia and North America, and occurs farther north than any other dragonfly.
Williamsonia lintneri, the ringed boghaunter, is a species of dragonfly in the emerald family (Corduliidae). It is found at acid bogs in the northeastern United States and southeastern Canada.
Cordulia is a genus of dragonfly in the family Corduliidae.
Helocordulia is a genus of dragonfly in the family Corduliidae. They are commonly known as sundragons.
Idionyx is a genus of dragonflies in the family Synthemistidae, which is earlier treated as a subfamily of Corduliidae. According to World Odonata List, this genera is best considered incertae sedis.
The Synthemistidae are the family of dragonflies commonly known as tigertails, or sometimes called southern emeralds. This family is sometimes treated as a subfamily of Corduliidae. This is an ancient dragonfly family, with some species occurring in Australia and New Guinea. Most species are small in size and have narrow abdomens. Their nymphs are bottom dwellers, and resist droughts by burying themselves very deeply. Synthemistid dragonflies frequently prefer marshy areas, as well as fast-flowing streams. The family Synthemistidae is sometimes called Synthemidae.
The brilliant emerald, Somatochlora metallica, is a middle-sized species of dragonfly. It is the largest and greenest of the Somatochlora species; 50–55 millimetres (2.0–2.2 in) long.
Williamsonia fletcheri, the ebony boghaunter, is a species of dragonfly in the emerald family Corduliidae. It is found in southeastern Canada and the northeastern United States. Larvae occur in acidic bogs.
Somatochlora alpestris, or the alpine emerald, is a species of dragonfly from the family Corduliidae. It is found in European highlands, southern Scandinavia, and east to southern Siberia in Asia.
Idionyx minimus is a species of dragonfly in the family Corduliidae. It is known only from the Western Ghats of Kerala, India.
Somatochlora daviesi is a species of dragonfly in the family Corduliidae. It was first described in 1977 based on specimens from Meghalaya, India, and is also known from Nepal and Bhutan. It resembles the east Asian S. dido in its small size and lack of yellow markings on most of the abdomen. Like other species in the genus, S. davisi is predominantly dark metallic brown to green. The formerly recognised Somatochlora nepalensis is now considered to be a synonym of S. daviesi.
Somatochlora exuberata is a species of dragonfly in the family Corduliidae. It is found in eastern Russia, northern China, Korea, and Hokkaido, Japan.
Somatochlora graeseri is a species of dragonfly in the family Corduliidae. It is found in Asia, where it occurs in Japan, Korea, northern China, and Russia.
Media related to Williamsonia at Wikimedia Commons
Data related to Williamsonia (Corduliidae) at Wikispecies  | This article related to Corduliidae is a stub. You can help Wikipedia by expanding it. |