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
Odontoceridae
genus
Psilotreta
“Strong Casemaker Caddisflies”
Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 0
Upper Midwest: 0
Mid-Atlantic: up to 0
FEEDING HABITS
Collector / Gatherer
Scraper / Grazer
Scraper / Grazer
MOVEMENT
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Lotic-erosional
Lotic-erosional
Diagnostic Characters
Order
Prolegs With Single Hook
Family
Mesonotum sclerotized
Sturdy Sand Case
​Metanotum Usually with 4 Sclerites
​Pronotum with Pointed Anterolateral Corners
+ Expanded Character List
Order:
Larvae: Wings/wing pads absent. Eye spots present, but compound eyes absent. Antennae usually small, inconspicuous. Three pairs of segmented legs present on thorax. Pair of anal prolegs, each with single hook, located on last abdominal segment. Larvae can be free-living, in silken retreats attached to substrate, or in usually-portable tubes or cases made of sand, rocks, or plant material.
Family:
The larva lives in a stout cylindrical case, slightly curved and made of small stones; the tops of the first two thoracic segments are covered by sclerites; the top of the third thoracic segment usually has two transverse sclerotized straps or two pairs of large sclerites; there is no prothoracic horn (stiff needle between the front legs); the posterior end of the body is not unusually hairy; anal prolegs are mostly fused with the end of the abdomen except their apical hooks.
Genus:
Not defined.
Dorsal
Lateral
Ventral
Case