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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”
Diptera
family
Athericidae
“Watersnipe Flies, Aquatic Flies”
Blephariceridae
“Net-winged Midges”
Ceratopogonidae
“Biting Midges”
Chironomidae
“Non-Biting Midges, Midges”
Culicidae
“Mosquitoes”
Dixidae
“Meniscus Midges”
Empididae
“Dance Flies”
Ephydridae
“Shore Flies”
Limoniidae
“Limoniid Crane Flies”
Muscidae
“House Flies”
Pediciidae
“Hairy-eyed Crane Flies”
Psychodidae
“Moth Flies”
Ptychopteridae
“Phantom Crane Flies”
Simuliidae
“Black Flies”
Stratiomyidae
“Soldier Flies”
Syrphidae
“Hover Flies”
Tipulidae
“Large Crane Flies”
Limoniidae
genus
Antocha
Hexatoma
Hexatoma
“Limoniid Crane Flies”
Genus Overview
37 species in North America. 
Characteristics
POLLUTION TOLERANCE
Southeast: 4.7 and higher
Upper Midwest: 2 and higher
Midwest: 2.3 and higher
Mid-Atlantic: 2 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
MOVEMENT
Burrower
Clinger
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Lotic-erosional
Diagnostic Characters
order
Legs Absent
family
Head Retracted in Thorax
Posterior Spiracles with Lobes
+ Expanded Character List
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Dorsal
Ventral