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Common Burrower Mayflies (Ephemeridae)
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Hexagenia
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Hexagenia limbata
Photo#305107
Copyright © 2009
Stephen Luk
Burrowing Mayfly -
Hexagenia limbata
-
Niagara Falls (N43º07'26"W079º04'25"), Welland, Ontario, Canada
July 12, 2009
Size: 22.0 mm
Size measurement excludes cerci. Found this imago resting on foliage.
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Contributed by
Stephen Luk
on 16 July, 2009 - 1:34pm
Last updated 19 July, 2009 - 3:46pm
Moved
Moved from
Hexagenia
.
…
Stephen Luk
, 19 July, 2009 - 3:46pm
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Hex
This male imago is probably
Hexagenia limbata
. As currently conceived, this transcontinental species has 19 synonyms, many of which were once considered to be separate species. The BG
Hexagenia
page demonstrates the incredible variability of this species quite well--the vast majority of those specimens are
limbata
morphs.
…
Lloyd Gonzales
, 18 July, 2009 - 11:11am
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H. limbata
Lloyd, thanks for providing an identification for this nice mayfly. Should I move the image to the species page, then?
…
Stephen Luk
, 18 July, 2009 - 4:08pm
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Yes...
I think that should be OK. About the only catch to identifying the various
limbata
morphs is that
H. rigida
females are nearly indistinguishable from a few of the
limbata
females.
H. rigida
is also recorded in Ontario, and the males can be distinguished by their distinctive genitalia.
…
Lloyd Gonzales
, 19 July, 2009 - 3:00pm
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