The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
Option 1 | Option 2 |
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1 or 2 sclerites adjacent to base of each lateral hump of abdominal segment I (sf 19.281–19.286); sclerites often only lightly pigmented and difficult to see, but distinguishable by relatively shinier surfaces | No sclerites adjacent to lateral humps of abdominal segment I |
Remaining genera: Chilostigma, Chyranda, Clostoeca, Desmona, Grensia, Homophylax, Hydatophylax, Monophylax, Psychoglypha, and Pycnopsyche | Remaining genera: Chilostigma, Clostoeca, Ecclisocosmoecus, Grensia, Philocasca, and Pseudostenophylax |
5 Example Specimens | 1 Example SpecimenThis one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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Go to Couplet 6 | Go to Couplet 13 |