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
Polycentropodidae
genus
Nyctiophylax
“Trumpet-net, Tube Maker Caddisflies”
Genus Overview
10 species in North America, They live in lakes and streams (in pools and reduced current)
Characteristics
POLLUTION TOLERANCE
No pollution tolerance ranges defined.
FEEDING HABITS
Collector / Filterer
Engulfer / Predator
Shredder / Herbivore
Engulfer / Predator
Shredder / Herbivore
MOVEMENT
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Lotic-erosional
Lotic-depositional
Lotic-erosional
Diagnostic Characters
order
Prolegs With Single Hook
family
Abdominal Segment IX Membranous
Membranous Mesonotum
Membranous Metanotum
Mesonotum with 3 Pairs of Setae
Metanotum with 3 Pairs of Setae
Long, Free Anal Prolegs
genus
Small Teeth On Anal Claw
+ 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 silken net that is funnel-shaped, tubular, flattened, or like a spider web; the top of the first thoracic segment is covered by sclerites, but the tops of the second and third thoracic segments are membranous; at the front of the base of each front leg is a foretrochantin that is pointed apically (not hatchet-shaped); the tarsi of all legs are more or less cylindrical, not flattened; tibiae are at least as long as the tarsi; anal prolegs are long and freely moveable.
Genus:
anal claw with small teeth,
Lateral
Ventral