Stonefly Family Chloroperlidae (Little Yellows and Little Greens)

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Plecoptera (Stoneflies)

» Family Chloroperlidae (Little Yellows and Little Greens)

Genus in Chloroperlidae
AlloperlaSallflies	0	0
SuwalliaSallflies	0	0
SweltsaSallflies	2	14

10 genera aren't included.

Common Names

Match	Common Name
	Little Yellows and Little Greens
	Sallflies

Pictures Below ↓

These stoneflies, the "little yellows" and "little greens," are quite common. The yellow and green ones are spread out in a mix between the different genera.

Hatching Behavior

Time Of Day (?): Morning

Egg-Laying Behavior

Time Of Day: Afternoon and evening

4 Stonefly Specimens in the Family Chloroperlidae:

Specimen Page:12

Sweltsa onkos (Sallfly) Stonefly Adult

View 8 PicturesI'm just guessing this is Chloroperlidae, since it's little and yellow. If anyone has a less haphazard identification, feel free to post it.

Region: Northeast

Collected May 15, 2007

Added May 18, 2007

Sweltsa (Sallflies) Stonefly Nymph

View 6 Pictures

Region: Catskills

Collected May 13, 2007

Added May 18, 2007

Chloroperlidae (Little Yellows and Little Greens) Stonefly Adult

View 6 PicturesThis specimen was completely green when I collected it from among many others gathered on a midstream rock along with their nymphal shucks (

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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.) early in the morning. There was also a yellow one with them, which I assumed was a different species. Now that I've seen how this one started changing from green to yellow, I have to wonder if they weren't the same species and the yellow one was just older.

Region: Poconos

Collected May 29, 2007

Added Jun 4, 2007

Specimen Page:12

2 Streamside Pictures of Chloroperlidae Stoneflies: