Common name: Tomah Mayfly
Scientific name: Siphlonisca aerodromia Needham, 1909

Class:
Insecta (Insects)
Order:
Ephemeroptera (Mayflies)
Family:
Siphlonuridae
Synonyms:
Other common names:

Habitat type(s):
Habitat description(s)
Palustrine:
Bog/fen, FORESTED WETLAND
Riverine:
Pool, Low gradient, CREEK

Ecological systems and subsytems (about):
RIVERINE - NATURAL STREAMS:
Unconfined river (guide)
The aquatic community of large, quiet, base level sections of streams with a very low gradient.

Conservation:
Global conservation status rank:
G2G3
Imperiled or Vulnerable globally - At high or moderate risk of extinction due to rarity or other factors; typically 80 or fewer populations or locations in the world, few individuals, restricted range, few remaining acres (or miles of stream), and/or recent and widespread declines. More information is needed to assign either G2 or G3.
State conservation status rank:
S1
Critically Imperiled in New York - Especially vulnerable to disappearing from New York due to extreme rarity or other factors; typically 5 or fewer populations or locations in New York, very few individuals, very restricted range, very few remaining acres (or miles of stream), and/or very steep declines.
Federal protection:
Not Listed
State protection:
Endangered
Listed as Endangered by New York State: in imminent danger of extirpation in New York. For animals, taking, importation, transportation, or possession is prohibited, except under license or permit. For plants, removal or damage without the consent of the landowner is prohibited.
SGCN:
NYNHP track status:
Y: Track all extant and selected historical EOs

More information:
Conservation guide:
https://guides.nynhp.org/tomah-mayfly/
NatureServe explorer link:
https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.108203/Siphlonisca_aerodromia/