Hex Mayflies
Hexagenia limbata
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.
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This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
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Definition of 'dorsoventral'
Definition of 'dorsoventral'
Dorsoventral: The dorsoventral axis is the axis running from the top to the bottom of the body; for example, a has a flounder is dorsoventrally flattened body shape.
This other word references the same concept: dorsoventrally.
This other word references the same concept: dorsoventrally.