Plauditus dubius
(Walsh, 1862)
small minnow mayfly
Plauditus dubius is a of small minnow mayfly in the Baetidae. It has been documented across a broad geographic range including all of Canada, the northern and southeastern United States, and Alaska. The species belongs to a of mayflies commonly associated with running water . Limited observational records exist, with only three documented observations in iNaturalist.
Pronunciation
How to pronounce Plauditus dubius: //plaʊˈdiːtəs ˈduːbius//
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Identification
As a member of Baetidae, Plauditus dubius can be distinguished from other by the absence of hindwings or their extreme reduction, and the presence of two caudal filaments (tails) rather than three. -level identification within Plauditus requires examination of genitalia and wing venation details. The specific epithet 'dubius' suggests historical taxonomic uncertainty regarding its distinctness from related species.
Images
Distribution
All of Canada; northern United States; southeastern United States; Alaska.
Similar Taxa
- Baetis spp.Baetis is the most -rich in Baetidae and overlaps broadly in geographic range and ; are distinguished by subtle differences in genitalia and wing venation, requiring microscopic examination.
- Other Plauditus speciesCongeneric share the same general body plan and preferences; identification relies on detailed morphological examination of male genitalia and abdominal color patterns.