| 词条 | Leptodiaptomus sicilis |
| 释义 |
Leptodiaptomus sicilis is a calanoid copepod native to the Laurentian Great Lakes and its basin. {{Italic title}}{{Taxobox| image = Leptodiaptomus_sicilis.jpg | image_caption = Female and male L. sicilis | name = Leptodiaptomus sicilis | regnum = Animalia | phylum = Arthropoda | subphylum = Crustacea | classis = Maxillopoda | subclassis = Copepoda | ordo = Calanoida | familia = Diaptomididae | genus = Leptodiaptomus | genus_authority = S.A. Forbes, 1882 | species = sicilis | species_authority = S.A. Forbes, 1882 }} DistributionThe species is found all over North America, north of Missouri, in fresh and saline waters. It is found in all the Great Lakes but is most abundant in Lake Superior.[1] IdentificationLeptodiaptomus sicilis adult females are distinguished by their three-segmented urosome; pointed, triangular metasomal wings with minute sensilla; and the genital segment without obvious lateral projections. In the mature male, the right exopod lateral spine of leg 5 is located in the middle of the segment, is quite long, and projects almost perpendicularly to the segment. In addition, the projections on the left exopod terminal segment are short, blunt, and well-separated. The right antennule on the male has a long, slender process coming off the terminal end of the third segment from the distal end and the metasomal wings are expanded and triangular in shape.[2] These species are physcially similar to other Leptodiaptomids (Leptodiaptomus ashlandi, Leptodiaptomus minutus and Skistodiaptomids (Skistodiaptomus oregonensis). References1. ^Mary D. Balcer, Nancy L. Korda & Stanley I. Dodson (1984). "Life history and ecology of the major crustacean species". Zooplankton of the Great Lakes: a guide to the identification and ecology of the common crustacean species. University of Wisconsin Press. pp. 49–109. {{ISBN|978-0-299-09820-9}}. {{Taxonbar|from=Q6553150}}2. ^Hudson, Patrick L., and Lynn T. Lesko. 2003. Free-living and Parasitic Copepods of the Laurentian Great Lakes: Keys and Details on Individual Species. Ann Arbor, MI: Great Lakes Science Center Home Page. http://www.glsc.usgs.gov/greatlakescopepods/MainMenu.php? 1 : Calanoida |
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