Species: Siphlonurus occidentalis
A Mayfly
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Mandibulata
Class
Insecta
Order
Ephemeroptera
Family
Siphlonuridae
Genus
Siphlonurus
NatureServe
Classification
Informal Taxonomy
Animals, Invertebrates - Insects - Mayflies
Formal Taxonomy
Animalia - Mandibulata - Insecta - Ephemeroptera - Siphlonuridae - Siphlonurus
Conservation Status
NatureServe Global Status Rank
G5
Global Status Last Reviewed
2009-03-16
Global Status Last Changed
1999-11-30
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.AB=SNR&CA.BC=SNR&CA.YT=S4&US.AK=SNR&US.CA=SNR&US.KS=S1&US.MT=SNR&US.NE=SNR&US.NV=SNR&US.OR=SNR&US.SD=SNR&US.UT=SNR&US.WA=SNR&US.WY=SNR" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
South Dakota (Guenther and McCafferty, 2008), Nebraska (McCafferty et al., 2001), and Kansas (Liechti, 1983) constitute the easternmost known distribution limits.