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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Gunnysack Creek in Alaska

Stream photos

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Doroneuria baumanni (Golden Stone) Stonefly NymphDoroneuria baumanni (Golden Stone) Stonefly Nymph
Dorsal view of a Doroneuria baumanni (Perlidae) (Golden Stone) Stonefly Nymph from Sears Creek in Washington
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27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Caddisfly Genus Polycentropus (Brown Checkered Summer Sedges)

See Polycentropus cinereus for details. Of the nearly four dozen species in this genus, only it has been mentioned as significant to fly anglers.

Where & when

In 430 records from GBIF, adults of this genus have mostly been collected during June (37%), July (26%), May (14%), and August (13%).

In 113 records from GBIF, this genus has been collected at elevations ranging from 33 to 10663 ft, with an average (median) of 1781 ft.

Genus Range
Map of specific collection sites

Specimens of the Caddisfly Genus Polycentropus

1 Larva
Polycentropus (Brown Checkered Summer Sedge) Caddisfly Larva
4 Pictures
Dorsal view of a Polycentropus (Polycentropodidae) (Brown Checkered Summer Sedge) Caddisfly Larva from the Delaware River in New York
Collected May 12, 2007 from the Delaware River in New York
Added by Troutnut on May 18, 2007
Collected May 12, 2007 from the Delaware River in New York and added by Troutnut on May 18, 2007

Start a Discussion of Polycentropus

References

  • LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.

Caddisfly Genus Polycentropus (Brown Checkered Summer Sedges)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Polycentropodidae
  6. » Genus Polycentropus (Brown Checkered Summer Sedges)
Species in Polycentropus
Polycentropus cinereus
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0
Species in Polycentropus: Polycentropus cinereus
28 species (Polycentropus alabamensis, Polycentropus arizonensis, Polycentropus barri, Polycentropus blicklei, Polycentropus carlsoni, Polycentropus carolinensis, Polycentropus centralis, Polycentropus chelatus, Polycentropus chellus, Polycentropus chenoides, Polycentropus colei, Polycentropus confusus, Polycentropus denningi, Polycentropus elarus, Polycentropus floridensis, Polycentropus gertschi, Polycentropus halidus, Polycentropus maculatus, Polycentropus magnica, Polycentropus neiswanderi, Polycentropus pentus, Polycentropus pixi, Polycentropus rickeri, Polycentropus sabulosus, Polycentropus thaxtoni, Polycentropus variegatus, Polycentropus vernus, and Polycentropus vigilatrix) aren't included.
Genus Range
Map of specific collection sites
Common Name
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