Aquatic Ent: Trichoptera

Hydropsychidae

3 Sclerites (Pro, Meta, Mesothoracic)

Ventral branched gills

Proleg with single hook

Brush-like settee on prolegs

Philopotamidae
1 Thoracic Sclerite

9 membranous abdominal segments

T-Shaped Membranous Labrum

Single Tarsal hook without sclerotization

Polycentropodidae

1 thoracic sclerite

9 membranous abdominal segments

Long anal prolegs

Rhyacophilidae

1 Thoracic Sclerite

Meta/Mesothoracic segments membranous

9 Membranous Absominal Segments

9th abdominal segment sclerotized

Anal prolegs not closely fused to abdomen

Single hook on prolegs

Glossosomatidae

1 Sclerotized thoracic segment

Meta/Meso-thoracic segments membranous

9 membranous abdominal segments

9th abdomen with small sclerite

Stubby prolegs

“Turtle shell” case made of sand and pebbles

Brachycentridae

2 fully sclerotized thoracic segments

Mesothoracic segment with small sclerites

“Log Cabin” case

Sclerotized prolegs fused to 9th abdominal segment

Phryganeidae

Giant

1 Sclerotized Thoracic Segment

Meta/Mesonotum membranous

9 membranous abdominal segments

Prolegs fused to abdomen

Prosternal Horn

Filamentous fleshy bits on abdomen

Limnephilidae — Platycentroppus

1 sclerotized throacic segment

Meta/Mesothoracic segments membranous

1st abdominal segment “humped”

9 membranous abdominal segments

Anal prolegs fused to abdomen

Limnephilidae — Pycnopsyche

Lepidostomatidae

Antennae right next to eye

2 Sclerotized thoracic segments

Metathoracic segment membranous

Lateral hump on 1st abdominal segment

9 membranous abdominal segments

Prolegs fused to abdomen

Case made of wood flakes

Molannidae

“Sleepingbag” style case made out of sand

Long protarsal claws

Short metatarsal claws

Long metathoracic leg

Prolegs fused to abdomen

Helicopsychidae

“Snail Shell” case made out of sand

Hydroptilidae

Thoracic segments sclerotized

Enlarged abdomen

Small size (1/2in max)

Leptoceridae

“Long” antennae

Long leg attached to mesothoracic segment

“Racer stripe head”

Leptoceridae

Body small compared to case

Uenoidae

tubular sand case with pebbles on the sides

“Cookie bite” notch out of of mesonotum near pronotum

Goeridae

Anterior sclerite projections on mesonotum

Case made of sand with ballast stones on the sides

Dipsuedopsidae

Needle-like spinneret near mandibles

Flattened tarsi

Hump between meta/mesonotum

Dipseudopsidae

Case made out of sand particles