Biology:Corduliidae
Corduliidae, also knowns as the emeralds, emerald dragonflies, or green-eyed skimmers, is a family of dragonflies.[1][2] 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 (Somatochlora hineana), for example, is an endangered species in the United States.
Corduliidae are known to occasionally take quantities of their eggs at the tip of their stomach, before then sticking their eggs in mud or water using a sprout-like appendage that extends from their abdomens.[3]
Selected genera
Genera included in this family are:[4]
- Antipodochlora Fraser, 1939 – dusk dragonfly
- Cordulia Leach, 1815 – American emeralds
- Corduliochlora Marinov & Seidenbusch, 2007
- Cordulisantosia Fleck & Costa, 2007
- Dorocordulia Needham, 1901 – little emeralds
- Epitheca Burmeister, 1839 – baskettails
- Guadalca Kimmins, 1957
- Helocordulia Needham, 1901 – sundragons
- Hemicordulia Selys, 1870 - emeralds
- Heteronaias Needham & Gyger, 1937
- Metaphya Laidlaw, 1912 – emeralds
- Navicordulia Machado & Costa, 1995
- Neurocordulia Selys, 1871 – shadowdragons
- Paracordulia Martin, 1906
- Rialla Navás, 1915
- Somatochlora Selys, 1871 – striped emeralds
- Williamsonia Davis, 1913 – boghaunters
Etymology
The family name Corduliidae is derived from the type genus Cordulia, with the standard zoological suffix -idae used for animal families. The genus name Cordulia is derived from the Greek κορδύλη (kordylē, "club" or "cudgel"), referring to the shape of the male abdomen.[5]
References
- ↑ Dijkstra, Klaas-Douwe B.; Bechly, Günter; Bybee, Seth M.; Dow, Rory A.; Dumont, Henri J.; Fleck, Günther; Garrison, Rosser W.; Hämäläinen, Matti et al. (2013). "The classification and diversity of dragonflies and damselflies (Odonata). In: Zhang, Z.-Q. (Ed.) Animal Biodiversity: An Outline of Higher-level Classification and Survey of Taxonomic Richness (Addenda 2013)" (in en). Zootaxa 3703 (1): 36–45. doi:10.11646/zootaxa.3703.1.9. ISSN 1175-5334. https://mapress.com/zt/article/view/zootaxa.3703.1.9.
- ↑ "Family CORDULIIDAE". Australian Biological Resources Study. 2022. https://biodiversity.org.au/afd/taxa/Corduliidae.
- ↑ Marshall, Stephen A. (2006). Insects: their natural history and diversity; with a photographic guide to insects of eastern North America. A Firefly book (2. printing ed.). Buffalo, NY: Firefly Books. ISBN 978-1-55297-900-6.
- ↑ "World Odonata List". University of Puget Sound. https://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/world-odonata-list2/.
- ↑ Endersby, Ian; Fliedner, Heinrich (2015). The Naming of Australia's Dragonflies. Eltham, Victoria, Australia: Busybird Publishing. ISBN 9781925260625. https://www.researchgate.net/publication/283318421_The_Naming_of_Australia's_Dragonflies.
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