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Insect Order Ephemeroptera (Mayflies)

Pictures Below ↓

This is page 3 of streamside pictures of Ephemeroptera. Visit the main Ephemeroptera page for:

  • The behavior and habitat of Ephemeroptera.
  • Studio pictures of 657 Ephemeroptera specimens.
  • 67 underwater pictures of Ephemeroptera.

35 Streamside Pictures of Mayflies:

Streamside Photo Page:12345
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Spider webs are nature's hatch charts. They often tell you what's been hatching recently. This one reveals a Trico hatch. In this picture: Mayfly Genus Tricorythodes (Tricos). From the Rush River in Wisconsin.
Spider webs are nature's hatch charts. They often tell you what's been hatching recently. This one reveals a Trico hatch.

In this picture: Mayfly Genus Tricorythodes (Tricos).
StateWisconsin
LocationRush River
Date TakenJul 21, 2005
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Mayfly Species Isonychia bicolor (Mahogany Dun). From Schoharie Creek in New York.


In this picture: Mayfly Species Isonychia bicolor (Mahogany Dun).
StateNew York
LocationSchoharie Creek
Date TakenSep 7, 2006
Date AddedOct 4, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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I found this little Paraleptophlebia dun along a Catskill stream, but not enough of her brethren were emerging to get the early-season trout to rise. In this picture: Mayfly Genus Paraleptophlebia (Blue Quills & Mahogany Duns). From the Beaverkill River in New York.
I found this little Paraleptophlebia dun along a Catskill stream, but not enough of her brethren were emerging to get the early-season trout to rise.

In this picture: Mayfly Genus Paraleptophlebia (Blue Quills & Mahogany Duns).
StateNew York
LocationBeaverkill River
Date TakenMay 7, 2005
Date AddedMar 25, 2006
AuthorTroutnut
CameraCanon EOS 20D
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Giant Hexagenia limbata spinners leave ghostly trails around the glow of a full moon. In this picture: Mayfly Species Hexagenia limbata (Hex). From the Namekagon River in Wisconsin.
Giant Hexagenia limbata spinners leave ghostly trails around the glow of a full moon.

In this picture: Mayfly Species Hexagenia limbata (Hex).
StateWisconsin
LocationNamekagon River
Date TakenJun 18, 2005
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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This is Troutnut.com's first picture of a springtail, a type of six-legged, non-insect arthropod. It's riding on the surface film under the mayfly's left tail. In this picture: Arthropod Class Collembola (Springtails), True Fly Family Chironomidae (Midges), and Mayfly Family Heptageniidae (March Browns, Cahills, Quill Gordons). From the Kuparuk River in Alaska.
This is Troutnut.com's first picture of a springtail, a type of six-legged, non-insect arthropod. It's riding on the surface film under the mayfly's left tail.

In this picture: Arthropod Class Collembola (Springtails), True Fly Family Chironomidae (Midges), and Mayfly Family Heptageniidae (March Browns, Cahills, Quill Gordons).
StateAlaska
LocationKuparuk River
Date TakenSep 4, 2007
Date AddedApr 22, 2011
AuthorTroutnut
CameraPENTAX Optio WPi
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Two Ephemera simulans (Brown Drake) spinners hang from tree leaves along the river. It's worthwhile to look for these in afternoons during the Brown Drake hatch, because their presence may reveal the best place to fish in the evening. In this picture: Mayfly Species Ephemera simulans (Brown Drake). From the Namekagon River in Wisconsin.
Two Ephemera simulans (Brown Drake) spinners hang from tree leaves along the river. It's worthwhile to look for these in afternoons during the Brown Drake hatch, because their presence may reveal the best place to fish in the evening.

In this picture: Mayfly Species Ephemera simulans (Brown Drake).
StateWisconsin
LocationNamekagon River
Date TakenJun 11, 2005
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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Several Isonychia bicolor nymphs had recently crawled out onto these rocks to emerge, leaving behind their telltale shucks. In this picture: Mayfly Species Isonychia bicolor (Mahogany Dun). From the West Branch of Owego Creek in New York.
Several Isonychia bicolor nymphs had recently crawled out onto these rocks to emerge, leaving behind their telltale shucks (
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Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Shuck: The shed exoskeleton left over when an insect molts into its next stage or instar. Most often it describes the last nymphal or pupal skin exited during emergence into a winged adult.).

In this picture: Mayfly Species Isonychia bicolor (Mahogany Dun).
StateNew York
LocationWest Branch of Owego Creek
Date TakenAug 9, 2006
Date AddedAug 10, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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This is the skin a brown drake dun shed when it molted into a spinner. Many of these were on the surface one afternoon, having been blown in after the flies molted on overhanging alders. They were our most noticeable sign of an intense brown drake hatch the previous night and a spinner fall to come. In this picture: Mayfly Species Ephemera simulans (Brown Drake). From the Namekagon River in Wisconsin.
This is the skin a brown drake dun shed when it molted into a spinner. Many of these were on the surface one afternoon, having been blown in after the flies molted on overhanging alders. They were our most noticeable sign of an intense brown drake hatch the previous night and a spinner fall to come.

In this picture: Mayfly Species Ephemera simulans (Brown Drake).
StateWisconsin
LocationNamekagon River
Date TakenJun 16, 2006
Date AddedJul 1, 2006
AuthorTroutnut
CameraCanon EOS 20D
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After I took this photo, this specimen was swept out of this tiny pool into a riffle downstream, where I swooped it up with my aquarium net and brought it home to photograph. See it up close here. In this picture: Mayfly Species Paraleptophlebia adoptiva (Blue Quill). From Dresserville Creek in New York.
After I took this photo, this specimen was swept out of this tiny pool into a riffle downstream, where I swooped it up with my aquarium net and brought it home to photograph. See it up close here.

In this picture: Mayfly Species Paraleptophlebia adoptiva (Blue Quill).
StateNew York
LocationDresserville Creek
Date TakenApr 30, 2007
Date AddedMay 3, 2007
AuthorTroutnut
CameraPENTAX Optio WPi
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From Dresserville Creek in New York.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
StateNew York
LocationDresserville Creek
Date TakenApr 30, 2007
Date AddedMay 3, 2007
AuthorTroutnut
CameraPENTAX Optio WPi
Streamside Photo Page:12345
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