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
Siphlonuridae
“Primitive Minnow Mayflies”
Family Overview
Siphlonuridae
Primitive Minnow Mayflies
The labrum (upper lip) is not notched in the middle; the antennae are shorter than twice the width of the head; the maxillae on the underside of the head lack prominent rows of golden spines; the abdominal gills are rounded and similar to each other in structure; 3 long slender filaments at the end of the body are about equally long.
Characteristics
POLLUTION TOLERANCE
Mid-Atlantic: up to 2
Upper Midwest: 2 - 7
Southeast: 2.6 - 3.1
FEEDING HABITS
Collector / Gatherer
MOVEMENT
Climber
Swimmer
Swimmer
Diagnostic Characters
order
Abdominal Gills
Single Tarsal Claw
Usually 3 Tails
family
3 "Tails" Subequal
Distal Margin of Labrum Straight
Gills on 1-7 Plate-like
Short Antennae
+ Expanded Character List
Order:
Wings developing in wing pads. Mouthparts suitable for chewing. Gills present on tops and sides of abdomen. Segmented legs present. One tarsal claw per leg. Usually with 3 tails (sometimes 2).
Family:
The labrum (upper lip) is not notched in the middle; the antennae are shorter than twice the width of the head; the maxillae on the underside of the head lack prominent rows of golden spines; the abdominal gills are rounded and similar to each other in structure; 3 long slender filaments at the end of the body are about equally long.
Dorsal
Ventral