order
Coleoptera
“Adult Beetles”
Coleoptera
“Larval Beetles”
Diptera
“True Flies”
Ephemeroptera
“Mayflies”
Hemiptera
“True Bugs”
Lepidoptera
“Aquatic Caterpillars, Snout Moths”
Megaloptera
“Alderflies, Dobsonflies, and Fishflies”
Odonata
“Dragonflies and Damselflies”
Plecoptera
“Stoneflies”
Trichoptera
“Caddisflies”
family
Peltoperlidae
genus
Tallaperla
“Roach-like Stoneflies”
Genus Overview
A large genus, within the family, containing 6 six species in North America. Typically found in leafpacks of small streams or headwaters.
Characteristics
POLLUTION TOLERANCE
Southeast: 1.4
FEEDING HABITS
Shredder / Detritivore
MOVEMENT
Clinger
Sprawler
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Lotic-erosional
Lotic-erosional
Diagnostic Characters
order
Two Tails
Two Tarsal Claws
family
Conical Thoracic Gills
Paraglossae And Glossae Subequal
Roach-like Body
Thoracic Sterna Overlapping
+ Expanded Character List
Order:
Wings developing in wing pads. Mouthparts suitable for chewing. Gills digitiform and located near mouthparts, on neck, sides of thorax, or underside of base of abdomen, never on top or sides of abdomen. Two tarsal claws per leg. Only two tails (cerci).
Family:
The body is small (1/4–1 inch), stocky, with tapered and pointed gills that are partly hidden by the large, overlapping thoracic plates, giving this stonefly a cockroach appearance from dorsal view.
Genus:
Thoracic gills present, thoracic segments expanded to be shield-like, mature specimens needed
Dorsal
Lateral
Ventral