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genus
Ptilostomis
“Giant Caddisflies, Giant Casemakers”
Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 6.7
Upper Midwest: 5
Mid-Atlantic: 5
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
Shredder / Detritivore
Shredder / Herbivore
MOVEMENT
Climber
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Lotic-erosional
Diagnostic Characters
+ 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: Not defined.
Genus: Not defined.