Biology:Corduliidae
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. The distribution range of the Corduliidae family includes the northern United States and Canada, with a typical body length ranging from 1.7 to 2.0 inches.[1] 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.[2]
Selected genera
Some genera included in this family are:[3]
- Aeschnosoma Selys, 1870
- 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[4]
- Heteronaias Needham & Gyger, 1937
- Libellulosoma Martin, 1907
- Metaphya Laidlaw, 1912 – emeralds[5]
- Navicordulia Machado & Costa, 1995
- Neurocordulia Selys, 1871 – shadowdragons
- Paracordulia Martin, 1906
- Pentathemis Karsch, 1890 – metallic tigerhawk[6]
- Procordulia Martin, 1907 – emeralds[7]
- Schizocordulia Machado, 2005
- Somatochlora Selys, 1871 – striped emeralds
- Williamsonia Davis, 1913 – boghaunters
References
- ↑ "WOS: Corduliidae". https://wiatri.net/inventory/odonata/speciesaccounts/SpeciesDetail.cfm?TaxaID=81.
- ↑ 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/.
- ↑ "Genus Hemicordulia Selys, 1870". Australian Biological Resources Study. 18 July 2012. https://biodiversity.org.au/afd/taxa/Hemicordulia.
- ↑ "Genus Metaphya Laidlaw, 1912". Australian Biological Resources Study. 19 July 2012. https://biodiversity.org.au/afd/taxa/Metaphya.
- ↑ "Genus Pentathemis Karsch, 1890". Australian Biological Resources Study. 19 July 2012. https://biodiversity.org.au/afd/taxa/Pentathemis.
- ↑ "Genus Procordulia Martin, 1907". Australian Biological Resources Study. 18 July 2012. https://biodiversity.org.au/afd/taxa/Procordulia.
External links
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