Animal Phylum Arthropoda (Arthropods)
Taxonomic Navigation -?-
Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
| Class in Arthropoda | ||
| ArachnidaMites and Spiders | 2 | 9 |
| Crustacea-MalacostracaCrayfish, Scuds, and Sowbugs | 8 | 39 |
| InsectaInsects | 713 | 3733 |
Common Name
| Match | Common Name |
| Arthropods |
This is page 7 of streamside pictures of Arthropoda. Visit the main Arthropoda page for:
- The behavior and habitat of Arthropoda.
- Studio pictures of 730 Arthropoda specimens.
- 120 underwater pictures of Arthropoda.
67 Streamside Pictures of Arthropods:

I'm not sure what the caddisflies in this tight cluster are doing, but I'd guess it has something to do with mating. They scooted all around the rock, with some flies leaving the cluster and new ones coming all the time.
In this picture: Insect Order Trichoptera (Caddisflies).
In this picture: Insect Order Trichoptera (Caddisflies).

The underside of a freshly emerged Ephemerella invaria dun.
In this picture: Mayfly Species Ephemerella invaria (Sulphur).
In this picture: Mayfly Species Ephemerella invaria (Sulphur).

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).
In this picture: Mayfly Species Paraleptophlebia adoptiva (Blue Quill).

This winged ant was on a mossy rock in the middle of a small stream.
In this picture: Insect Family Formicidae (Ants).
In this picture: Insect Family Formicidae (Ants).



An early season stonefly nymph looking to hatch crawls across a snow-covered midstream boulder.
In this picture: Insect Order Plecoptera (Stoneflies).
In this picture: Insect Order Plecoptera (Stoneflies).

This Peltoperlid stonefly (roachfly) was crawling around on this rock looking for a comfortable place to emerge.
In this picture: Stonefly Family Peltoperlidae (Roachflies).
In this picture: Stonefly Family Peltoperlidae (Roachflies).

Here's a fresh ball of eggs from a Hendrickson spinner, photographed to show the proper color for the egg-ball on spinner patterns.
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).

This Peltoperlid stonefly (roachfly) was crawling around on this rock looking for a comfortable place to emerge.
In this picture: Stonefly Family Peltoperlidae (Roachflies).
In this picture: Stonefly Family Peltoperlidae (Roachflies).
