WITTERS Spring 2018 Final Review - benthic macroinvertebrate id Flashcards
1
Q
A
- Crayfish
- 2 large claws, 8 legs
- lobster-like
- GROUP 2 TAXA/SOMEWHAT POLLUTION SENSITIVE
2
Q
A
scud
3
Q
A
Damselfly nymph
4
Q
A
Caddisfly larva
5
Q
A
- Damselfly nymph
- 6 thin hooked legs
- 3 broad oar-shaped tails positioned like tripod
- Feathery tails large
- Hinged mouth
- GROUP 2 TAXA/SOMEWHAT POLLUTION SENSITIVE
6
Q
A
scud
7
Q
A
mayfly nymph
8
Q
A
- Mayfly nymph
- 6 large hooked legs
- 2 or 3 long hair like tails
- GROUP 1 TAXA/POLLUTION SENSITIVE
9
Q
A
Crayfish
10
Q
A
Caddisfly larva
11
Q
A
Clam or Mussel
12
Q
A
mayfly nymph
13
Q
A
Damselfly nymph
14
Q
A
- Scud
- 6+ legs
- shrimp-like
- narrow side to side
- curved in middle
- GROUP 2 TAXA/SOMEWHAT POLLUTION SENSITIVE
15
Q
A
- Clam or Mussel
- 2 shells
- GROUP 2 TAXA/SOMEWHAT POLLUTION SENSITIVE
16
Q
A
- Caddisfly larva
- 6 hooked legs on upper 3rd of body
- 2 hooks at back end
- May be in a stick, rock or leaf case with its head sticking out
- May have fluffy gill tufts on lower half
- Exactly 6 legs, wormlike, gills on Abdomen
- GROUP ONE TAXA/POLLUTION SENSITIVE
17
Q
A
Damselfly nymph
18
Q
A
Caddisfly larva
19
Q
A
Caddisfly larva
