Miscellaneous

Mayflies

Caddisflies

Stoneflies

Closeup insects from Miscellaneous

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Female Acroneuria lycorias (Golden Stone) Stonefly Adult

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Collected May 23, 2007 from Aquarium (collected somewhere in Catskills) in New York
Added to Troutnut.com by Troutnut on June 4, 2007

Paragnetina (Golden Stones) Stonefly Adult

View 10 PicturesUnfortunately I forgot to photograph this one next to the ruler, but I seem to remember it being on the small side for a Perlid, maybe around 2cm.

Collected May 6, 2007 from Aquarium in New York
Added to Troutnut.com by Troutnut on May 18, 2007

Agnetina capitata (Golden Stone) Stonefly Adult

View 8 PicturesThis stonefly emerged in my aquarium, and unfortunately I severely damaged its wings just trying to catch it. It's still an interesting specimen, especially since I was able to also photograph the nymphal shuck (

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Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.

Shuck: The shed exoskeleton left over when an insect molts into its next stage or instar. Most often it describes the last nymphal or pupal skin exited during emergence into a winged adult.) it emerged from. I was surprised by just how light it was shortly after emerging. I photographed it a couple days later when it had darkened considerably; it was a pale, almost pastel yellow at first.

Collected May 1, 2007 from Aquarium in New York
Added to Troutnut.com by Troutnut on May 3, 2007

Female Ephemera varia (Yellow Drake) Mayfly Dun

View 7 PicturesThis yellow drake dun hatched out of my aquarium over a month before her brethren in the wild are slated to emerge. She seems a bit small, and that might be the reason.

Collected May 13, 2007 from Aquarium in New York
Added to Troutnut.com by Troutnut on May 18, 2007

Female Hexagenia limbata (Hex) Mayfly Spinner

View 2 PicturesI found this Hexagenia limbata spinner on a gas station in upstate New York, not a region known for heavy hatches of this species.

Collected July 13, 2005 from Gas station in Whitney Point, NY in New York
Added to Troutnut.com by Troutnut on April 14, 2006

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Jargon Defined:

Dun: Mayflies have two adult stages. They first emerge from the water as duns (scientifically known as the subimago stage). They then molt into the spinner (imago) stage, in which they mate and die. Sometimes the word "dun" is confusingly used to refer to a brownish gray color in fly tying materials.

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Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.

Shuck: The shed exoskeleton left over when an insect molts into its next stage or instar. Most often it describes the last nymphal or pupal skin exited during emergence into a winged adult.

Spinner: There are two winged stages of adult mayflies. They emerge from the water as duns, molt on land (usually) into their fully mature stage, spinners. As spinners, they mate, lay eggs, and die.

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