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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”
Dixidae
genus
Dixa
“Meniscus Midges”
Genus Overview
The genus is commonly found in shallow slow moving water with aquatic plants or shallow ponds or bogs. They breathe air with the spiracles on their abdomen. They have a diet of microorganisms and algae.  There are about 45 species in North America.  
Characteristics
POLLUTION TOLERANCE
Southeast: 2.8 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
Collector / Gatherer
MOVEMENT
Climber
Swimmer
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Lotic-erosional
Diagnostic Characters
Order
Legs Absent
Family
Distinct Thoracic Segments
Flat Lobes Fringed with Hair on Last Segment
Head Capsule Complete and Exposed
Hook-bearing Prolegs on 1-2
Mandibles Moving Horizontally
Genus
Rosettes Of Hair
+ Expanded Character List
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