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Damselflies mirror the closely related dragonflies (scientifically, they are different suborders of the order Odonata) in that the adults are excellent at flight and only the nymphs are likely to fall prey to trout. Their nymphs differ in the way they look, move, and respirate, but they share the same alpha predator status in the world of aquatic insects.

This common name refers to only one order.

Insect Order Odonata-Zygoptera

These are pretty much always called Damselflies.
Beautiful damselflies are a priceless part of a trout stream's aesthetics, but they matter little to our flyboxes. The adults are too good at flying to end up in the water where the trout can reach them very often, but their nymphs are welcome prey at times.

Damselflies and dragonflies are in the same order, Odonata, but they are taxonomically separated on an obscure level not built into this site, the suborder. Damselflies are in the suborder Zygoptera, the scientific name by which they're most known. None of that will help you catch trout, but it explains what the hyphen in this page's title is all about.

Biologically, damselflies are similar to dragonflies (Odonata-Anisoptera) in most of the ways that matter to the angler.
Calopteryx Damselfly NymphCalopteryx  Damselfly Nymph View 7 Pictures
Collected March 29, 2005 from in
Added to by on April 6, 2006
Odonata-Zygoptera (Damselflies) Damselfly AdultOdonata-Zygoptera (Damselflies) Insect Adult View 8 Pictures
Collected June 30, 2019 from in
Added to by on July 17, 2019
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