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Caddisfly Family Hydropsychidae

Taxonomic Navigation -?-
Genus in HydropsychidaeNumber of SpecimensNumber of Pictures
ArctopsycheGreat Gray Spotted Sedges00
Arctopsyche00
CeratopsycheSpotted Sedges00
CheumatopsycheLittle Sister Sedges528
HydropsycheSpotted Sedges536
MacrostemumGlossy Wing Sedges00
Parapsyche00
Potamyia00

5 genera aren't included.
Pictures Below

This is page 2 of specimens of Hydropsychidae. Visit the main Hydropsychidae page for:

  • The behavior and habitat of Hydropsychidae.
  • 1 underwater picture of Hydropsychidae.

Pictures of 19 Caddisfly Specimens in the Family Hydropsychidae:

Specimen Page:123
Cheumatopsyche (Little Sister Sedges) Caddisfly PupaCheumatopsyche (Little Sister Sedges) Caddisfly Pupa View 10 PicturesThis is the first fully formed caddis pupa (technically, a pharate adult (Pharate adult: Caddisflies are considered to be pupae during their transformation from larva into adult. This transformation is complete before they're ready to emerge. The emerging insect we imitate with the "pupa" patterns we tie is technically called a pharate adult. It is a fully-formed adult caddisfly with one extra layer of exoskeleton surrounding it and restricting its wings.)) that I've collected and photographed alive and healthy. I'll put a video of this specimen online soon, too.
Collected April 14, 2007 from Cayuta Creek in New York
Added to Troutnut.com by Troutnut on April 22, 2007
Cheumatopsyche (Little Sister Sedges) Caddisfly PupaCheumatopsyche (Little Sister Sedges) Caddisfly Pupa View 3 PicturesI photographed this one recently dead. It's hard to keep caddis pupae alive for very long in a collection container.
Collected May 18, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Hydropsychidae Caddisfly LarvaHydropsychidae  Caddisfly Larva View 4 Pictures
Collected January 14, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Hydropsyche californica (Spotted Sedge) Caddisfly LarvaHydropsyche californica (Spotted Sedge) Caddisfly Larva View 5 PicturesSize - 14 mm

Condition - preserved

Habitat - cobble bottom, moderate flow run, at a depth of approx. 1 1/2 feet.

Key Characters - pair of large prosternal sclerites (Sclerite: A hard plate of chitinous material, such as those that form the exoskeletons of arthropods, uninterrupted by cracks or sutures.)


This is a very common taxon at this location. I collected using a kick net. In life, it is bright olive green ventrally, shading to a dull olive at its dorsal (Dorsal: Top.) abdominal surfaces. In the hand, the legs, thoraxic regions, and head appear medium chocolate brown. The stark contrast of the thoraxic plate's dark edges and light legs are effects of preserving. The plumouse anal hooks were duck down gray, not the color of the gills as appears in the preserved specimen.

The Lower Yuba River is a good habitat for this species, being a larger river with an open canopy. The Feather River just to the north of the Yuba system also finds H. californica in abundance. The other common Hydropsyche species in the area, Hydropsyche occidentalis, seems to prefer smaller, shaded streams.

Entoman
Collected March 9, 2011 from the Lower Yuba River in California
Added to Troutnut.com by Entoman on November 2, 2011
Hydropsyche (Spotted Sedges) Caddisfly NymphHydropsyche (Spotted Sedges) Caddisfly Nymph View 1 PicturesThis genus can get incredibly abundant especially below dams.This specimen shows the two sclerotized bars needed to identify it to genus. These usually curl up like this one when preserved.
Collected June 12, 2007 from the Flathead River-lower in Montana
Added to Troutnut.com by Bnewell on June 26, 2011
Hydropsychidae Caddisfly LarvaHydropsychidae  Caddisfly Larva View 2 Pictures
Collected February 7, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Hydropsychidae Caddisfly LarvaHydropsychidae  Caddisfly Larva View 2 Pictures
Collected March 13, 2005 from Cascadilla Creek in New York
Added to Troutnut.com by Troutnut on April 5, 2006
Hydropsychidae Caddisfly LarvaHydropsychidae  Caddisfly Larva View 2 Pictures
Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Cheumatopsyche (Little Sister Sedges) Caddisfly PupaCheumatopsyche (Little Sister Sedges) Caddisfly Pupa View 3 PicturesI was surprised how bright green this pupa is. It's chartreuse. After collecting it, I experimented with melting down chartreuse jigs and making little translucent rubber caddis abdomens on my flies. They looked good, and the trout liked them, but they weren't very durable at all. This specimen is recently deceased in the photographs.
Collected May 18, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Specimen Page:123
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