Genus

Giant Stoneflies and Salmonflies

Pteronarcys

1 species in our catalog · found in 1 parks

Species in this group

Pteronarcys californica

Probability-weighted average across the group's species

<5%

Jan

<5%

Feb

<5%

Mar

<5%

Apr

<5%

May

~10%

Jun

~10%

Jul

<5%

Aug

<5%

Sep

<5%

Oct

<5%

Nov

<5%

Dec

When the group's species are recorded (aggregated)

Warmer areas are where this group is recorded most often. Our parks

#	Park	Country	Species	Daily sighting probability
1	Yellowstone National Park	🇺🇸 United States	1 of 1	~10%
	California Giant Stonefly			~10%