TRICHOPTERA

1
TRICHOPTERA (caddisflies)
2
Hexapod Orders
Trichoptera
Tricho - hair, ptera - wing
Number of Species
11,500
Common names
caddisflies
Typical habitats
Larvae - aquatic, adults - aerial
Distinguishing characteristics
-wings with hairs
Most larvae build cases
Other features
3
Trichoptera adults
4
Trichoptera
Ecological Division of Larval Types
1. Retreat makers (net spinners)
2. Free living
3. Saddle case makers
4. Purse case makers
5. Tube case makers
5
Trichoptera
Ecological Division of Larval Types
1. Retreat makers (net spinners)
Hydropsychidae
6
Trichoptera
Ecological Division of Larval Types
2. Free living
Rhyacophilidae
7
Trichoptera
Ecological Division of Larval Types
3. Saddle case makers
8
Trichoptera
Ecological Division of Larval Types
4. Purse case makers
Hydroptilidae
9
Trichoptera
Ecological Division of Larval Types
5. Tube case makers
10
Evoutionary change in Trichoptera
Evolved in cool streams
Move to lentic water
Cool streams
Warm streams
Lentic water
Temporary ponds
(100 of familes)
(95 of familes)
(50 of familes)
(17 of familes)
11
Habitat Differentiation
Limnephilidae
Leptoceridae
Rhyacophilidae
Hydropsychidae
12
Respiratory adaptations