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> > Mystery Creek # 199



About "Mystery Creeks": I love small streams, but some of my favorite little trout streams are too small and too fragile to publicize here. If you recognize one of these, you already understand why I'm keeping it a secret. These are the kinds of places that lose a little bit of their charm if you see someone else's week-old footprint, and I don't want to do that to them.

Closeup insects from Mystery Creek # 199

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Kogotus nonus Stonefly NymphKogotus nonus Stonefly Nymph View 10 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Dolichopodidae True Fly AdultDolichopodidae True Fly Adult View 10 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Female Kogotus nonus Stonefly AdultFemale Kogotus nonus Stonefly Adult View 18 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Lepidostoma (Little Brown Sedges) Little Brown Sedge LarvaLepidostoma (Little Brown Sedges) Little Brown Sedge Larva View 12 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Kogotus nonus Stonefly NymphKogotus nonus Stonefly Nymph View 9 PicturesAlthough Kogotus and Rickeri nymphs may be difficult or impossible to tell apart, I captured an adult Kogotus nonus specimen in the air on the same day as several of these nymphs, and they are likely the same species.
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Cinygmula (Dark Red Quills) Mayfly NymphCinygmula (Dark Red Quills) Mayfly Nymph View 7 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Serratella micheneri (Little Western Dark Hendrickson) Mayfly NymphSerratella micheneri (Little Western Dark Hendrickson) Mayfly Nymph View 6 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Suwallia pallidula (Sallfly) Stonefly NymphSuwallia pallidula (Sallfly) Stonefly Nymph View 6 PicturesThis specimen keys out to Suwallia, for which I did not find any nymph species keys. However, I'm placing it in Suwallia pallidula because I caught a few adults in the same spot that closely resembled the abundant nymphs and keyed them out to species. Features I noted under the microscope when keying this specimen to genus included apical (Apical: Close to the apex; tip or end.) hairs of cercal segments that were directed at posterior (Posterior: Toward the back of an organism's body. The phrase "posterior to" means "in back of.") angles, and the longest apical (Apical: Close to the apex; tip or end.) hairs of distal (Distal: Far from the point of attachment or origin; near the tip.) segments were shorter than their following segment.
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Ameletus (Brown Duns) Mayfly NymphAmeletus (Brown Duns) Mayfly Nymph View 6 Pictures
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Female Ameletus (Brown Duns) Mayfly SpinnerFemale Ameletus (Brown Duns) Mayfly Spinner View 13 PicturesI found this female already spent (Spent: The wing position of many aquatic insects when they fall on the water after mating. The wings of both sides lay flat on the water. The word may be used to describe insects with their wings in that position, as well as the position itself.) and nearly dead, laying in the surface film of a very tiny spring seep (inch-deep water) in the valley of a very small trout stream.
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
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