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**Female Suwallia pallidula (Sallfly) Stonefly Adult Pictures**

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Plecoptera (Stoneflies)

» Family Chloroperlidae (Sallflies)

» Genus Suwallia (Sallflies)

» Species pallidula (Sallfly)

A large number of photos from the microscope allowed a fairly confident ID on this one, which not coincidentally matches very well a previous specimen of Suwallia pallidula that I collected in Washington.

This stonefly was collected from Mystery Creek #237 on August 1st, 2020 and added to Troutnut.com on August 18th, 2020.

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Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

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Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

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Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

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Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

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Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

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Cerci closeup. Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

Cerci closeup.

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Dorsal view of the preserved specimen with wings removed. Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

Dorsal view of the preserved specimen with wings removed.

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Fore wing. Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

Fore wing.

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Hind wing. Note the folded anal area, which is key to identifying this species, actually folded around underneath the rest of the wing in this view (you can see the setae sticking off it). Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

Hind wing. Note the folded anal area, which is key to identifying this species, actually folded around underneath the rest of the wing in this view (you can see the setae sticking off it).

View Full Size and Comment (6X larger)

Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

View Full Size and Comment (6X larger)

Ventral view of terminal abdominal segments. Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

Ventral view of terminal abdominal segments.

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Dorsal view of terminal abdominal segments. Female Suwallia pallidula (Sallfly) Stonefly Adult from Mystery Creek #237 in Montana

Dorsal view of terminal abdominal segments.

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