Arthropod Class Insecta (Insects)
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This is page 3 of streamside pictures of Insecta. Visit the main Insecta page for:
- The behavior and habitat of Insecta.
- Studio pictures of 720 Insecta specimens.
- 112 underwater pictures of Insecta.
64 Streamside Pictures of Insects:

Epeorus nymphs with their flat profile and wide gills are excellent at clinging to rocks in fast water. This one clings to the surface of a rock covered with only a thin layer of water rushing over it in a riffle.
In this picture: Mayfly Genus Epeorus (Little Maryatts).
In this picture: Mayfly Genus Epeorus (Little Maryatts).



Closeup of some recently emerged Isonychia bicolor nymphs from a small stream.
In this picture: Mayfly Species Isonychia bicolor (Mahogany Dun).
In this picture: Mayfly Species Isonychia bicolor (Mahogany Dun).

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).
In this picture: Mayfly Genus Paraleptophlebia (Blue Quills).


Giant Hexagenia limbata spinners leave ghostly trails around the glow of a full moon.
In this picture: Mayfly Species Hexagenia limbata (Hex).
In this picture: Mayfly Species Hexagenia limbata (Hex).


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).
In this picture: Mayfly Species Ephemera simulans (Brown Drake).

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).
In this picture: Mayfly Genus Tricorythodes (Tricos).
