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
Corixidae
genus
Hesperocorixa
“Water Boatmen”
Genus Overview
19 species in North America.
Characteristics
POLLUTION TOLERANCE
FEEDING HABITS
Piercer / Herbivore
MOVEMENT
Climber
Swimmer
Swimmer
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Diagnostic Characters
Order
Hemelytra
Needle-like Beak
Family
Antennae Shorter than Head
Scoop-like Front Tarsi
Short, Triangular Beak
+ Expanded Character List
Order:
Adults: With or without wings. If wings present, forewings typically leathery or hard basally and translucent and flexible apically. Nymphs: With or without wing pads. Segmented legs present. Mandibles hidden within needle-like beak in adults and nymphs.
Family:
Generally smaller bugs, nearly parallel-sided in dorsal view, slightly convex dorsally. Rostrum (beak) uniquely triangular (not extended as slender needle). Antennae shorter than head and hidden in dorsal view.
Genus:
mature specimen usually longer than 5.9 mm, eyes not protuberant, rostrum with transverse striations
Dorsal