| 词条 | Band-winged meadowhawk |
| 释义 |
|name=Sympetrum semicinctum | image = Libellulidae - Sympetrum semicinctum (male).JPG | image_width = 250px | image_caption = Band-winged meadowhawk | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Odonata | subordo = Anisoptera | familia = Libellulidae | genus = Sympetrum | species = S. semicinctum | binomial = Sympetrum semicinctum | binomial_authority = (Say, 1839) | synonyms =
}} The band-winged meadowhawk (Sympetrum semicinctum) is a dragonfly of the genus Sympetrum belonging to the family Libellulidae. [1][2] TaxonomySympetrum semicinctum is closely related to, and may not be a distinct species from, the western meadowhawk (Sympetrum occidentale). Other geographical variants are S. californicum and S. fasciatum. [3][4]DistributionThis species is native to Canada and Continental United States, from coast to coast. It is present in Canada (Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan); United States (Alabama, Arizona, California, Colorado, Connecticut, Delaware, District of Columbia, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming). [5] HabitatThis dragonfly can be found perched on vegetation along the edges of meadows, in weedy ponds, marshes and lakes, also in the hills or mountains. [6][7] DescriptionSympetrum semicinctum can reach a length of {{convert|28|-|36|mm}}, with a wingspan of {{convert|45|-|55|mm}}. [7] The male has a bright red abdomen[6] with black markings on the lower sides and on the top of the segments 8 and 9, creating a U like pattern. The thorax is brownish red and the sides show three irregular black stripes. Face and eyes are dark red. The legs are black. The hind wings have a rusty patch at the base, [6] covering one-third of the wings, while the front wings are almost completely transparent. Pterostigma is blackish red. The female is mainly greenish-yellowish or orange, [6] with red over green on eyes and extended blackish markings on the abdomen.[6] Mature females sometimes turn red like males, while immature males are yellow like females and slowly reach their red coloration. [7][14][8] Biology and behaviorThe flight period extends from April to mid October, [7] [9] but this dragonfly is more common in late summer. Adults feed on soft-bodied flying insects. After mating females usually fly in tandem with males during oviposition, performed in flight by dipping the tip of the abdomen into the water. Larvae live in aquatic vegetation. They feed on many different aquatic insects (mosquito larvae, mayfly larvae, other fly larvae, small fish and tadpoles). [10] References{{wikispecies}}{{commons}}1. ^[https://www.biolib.cz/en/taxon/id230589/ Biolib] 2. ^Catalogue of life 3. ^BugGuide 4. ^ Pilgrim, E.M. and C.D. von Dohlen. 2007. Molecular and morphological study of species-level questions within the dragonfly genus Sympetrum (Odonata: Libellulidae). Annals of the Entomological Society of America 100: 688–702 5. ^IUCN Red List 6. ^1 2 3 4 Hopscotch 7. ^1 2 3 [https://web.archive.org/web/20130219012602/http://southwestdragonflies.net/caphotos/2_Anisoptera.html#Meadowhawks South West Dragonflies] 8. ^[https://web.archive.org/web/20120701231925/http://kern.audubon.org/dragonflies.htm Audubon California Kern River Preserve] 9. ^1 Dragonflies & Damselflies of New Brunswick 10. ^Montana Field Guide External links
5 : Libellulidae|Odonata of North America|Insects of Canada|Insects of the United States|Insects described in 1839 |
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