order
![](/images/illustrations/illustration_coleoptera_adult_v_160.png)
Coleoptera
“Adult Beetles”
![](/images/illustrations/illustration_coleoptera_larva_v_160.png)
Coleoptera
“Larval Beetles”
![](/images/illustrations/illustration_diptera_larva_v_160.png)
Diptera
“True Flies”
![](/images/illustrations/illustration_ephemeroptera_larva_v_160.png)
Ephemeroptera
“Mayflies”
![](/images/illustrations/illustration_hemiptera_adult_v_160.png)
Hemiptera
“True Bugs”
![](/images/illustrations/illustration_lepidoptera_larva_v_160.png)
Lepidoptera
“Aquatic Caterpillars, Snout Moths”
![](/images/illustrations/illustration_megaloptera_larva_v_160.png)
Megaloptera
“Alderflies, Dobsonflies, and Fishflies”
![](/images/illustrations/illustration_odonata_larva_v_160.png)
Odonata
“Dragonflies and Damselflies”
![](/images/illustrations/illustration_plecoptera_larva_v_160.png)
Plecoptera
“Stoneflies”
![](/images/illustrations/illustration_trichoptera_larva_v_160.png)
Trichoptera
“Caddisflies”
family
Leptoceridae
genus
Oecetis
“Long-horned Caddisflies”
Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 5.7
Upper Midwest: 8
Midwest: 3
Mid-Atlantic: 8
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
Shredder / Herbivore
Shredder / Herbivore
MOVEMENT
Climber
Clinger
Sprawler
Clinger
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Lotic-erosional
Lotic-depositional
Lotic-erosional
Diagnostic Characters
Order
![](https://static.macroinvertebrates.org/gigapans/188579/images.9d2912d259e1f289333605401e7a8592/188579-120x120-6223-6540-1820-2137.jpg)
Prolegs With Single Hook
Family
![](https://static.macroinvertebrates.org/gigapans/188579/images.9d2912d259e1f289333605401e7a8592/188579-120x120-910-1243-2082-2415.jpg)
"Long" Antenna
Genus
![](https://static.macroinvertebrates.org/gigapans/193960/images.7bc413bf5d9d1f1ab7f10c98980af221/193960-120x120-2317-6805-0-4488.jpg)
Case of various materials: plant and rocks
![](https://static.macroinvertebrates.org/gigapans/193962/images.d31390ee8d090db4a457b94aa7ad856a/193962-120x120-1245-3088-2144-3987.jpg)
Maxillary palpi elongated usually extended beyond the labrum
+ 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:
Antennae usually long for caddisflies, at least 6 times as long as thick. Mesonotum light in color, except sometimes with pair of dark curved lines; these lines present in species with short antennae. Metanotum membranous. Larvae constructing portable tube-shaped cases of various materials and shapes.
Genus:
Not defined.
![](https://static.macroinvertebrates.org/gigapans/193961/images.f0f9a4a7a0d604f183ae9e770ac9fae0/193961-338x240.jpg)
![](https://static.macroinvertebrates.org/gigapans/193962/images.d31390ee8d090db4a457b94aa7ad856a/193962-435x240.jpg)
![](https://static.macroinvertebrates.org/gigapans/188579/images.9d2912d259e1f289333605401e7a8592/188579-354x240.jpg)
![](https://static.macroinvertebrates.org/gigapans/193960/images.7bc413bf5d9d1f1ab7f10c98980af221/193960-488x240.jpg)
Dorsal
Lateral
Ventral
Case