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Date ( / / ) School
________________________Group # ___________ Sample # ______
Scientists: Last name: _______________________
First initial: ____ Grade: _______
Last name:
_______________________ First initial: ____
Teacher:_________________
Air Temperature _____°F
______°C Water Temperature
____°F ____°C
Date of last high water event ( / /
)
Stream Flow Rate __________
Stream appears: □ clear
□ cloudy □ muddy
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Aquatic Invertebrate
(Order or Family Name) |
What does it look like? |
How many did you find? |
Pollution
Sensitive Stream Invertebrates
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Mayfly Nymph (Order Ephemeroptera)
Does it have 2 or 3 thin tails?
Does it have gills on its lower body?
Does it have 6 legs and 2 antennae? |
 |
Tally: |
|
Total: |
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Dragonfly Nymph (Suborder Anisoptera)
Does it have very large eyes?
Does it have 6 legs and a fat body?
Does it have a large lower lip? |
 |
Tally: |
|
Total: |
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Damselfly Nymph (Suborder Zygoptera)
Does it have big eyes and three thick tails?
Does it have 6 legs and a slender body?
Does it have a large lower lip? |
 |
Tally: |
|
Total: |
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Stonefly Nymph (Order Plecoptera)
Does it have 2 hairlike tails?
Does it have a smooth lower body?
Does it have 6 legs with hooked tips? |
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Tally: |
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Total: |
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Caddisfly Nymph (Order Tricoptera)
Does it have 6 legs on the upper 1/3 of its
body?
Does it have 2 hooks on its back end?
Is it in some kind of a case (a stick, rock,
leaves) with its head sticking out? |
|
Tally: |
|
Total: |
|
Pollution sensitive invertebrates—count the
number of each type of specimen, NOT the total numbers. |
Total: |
|
Aquatic Invertebrate
(Order
or Family Name) |
What
does it look like? |
How
many did you find? |
Somewhat Pollution Sensitive Stream Invertebrates
|
|
Alderfly Larvae (Family Sialidae)
Does it have one long, thin tail at the back end? |
 |
Tally: |
|
Total: |
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Dobsonfly Larvae-aka-Hellgramite (Order
Megaloptera, Family Corydalidae)
Does it have large pinching jaws?
Is it dark in color with six legs?
Does it have 8 pairs of feelers on the sides
of its body?
Does it have 2 tails and 2 pairs of hooks at the
back end? |
 |
Tally: |
|
Total: |
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Riffle beetle (Order Coleoptera)
Does it have an oval body with tiny hairs?
Does it have 6 legs and 2 antennae?
 |
 |
Tally: |
|
Total: |
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Fishfly Larvae (Family Corydalidae)
Is it reddish-tan in color or have
yellowish streaks? |
 |
Tally: |
|
Total: |
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Crane Fly Larvae (Family Tipulidae)
Is it milky-green or light brown in color?
Does it have a segmented body like a caterpillar
or look like a cigar?
Does it have four finger-like lobes at the back
end? |
 |
Tally: |
|
Total: |
|
Somewhat pollution sensitive invertebrates—count
the number of each type of specimen, NOT the total numbers.
|
Total: |
Pollution Tolerant Stream Invertebrates
|
|
Blackfly Larvae (Family Simulidae)
Is one end of its body wider than the other?
Does it have a black head with a suction pad
on the back end? |
 |
Tally: |
|
Total: |
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Midge Fly Larvae (Family Chironomidae)
Does it have a dark head with a wormlike
segmented body?
Does it have 2 tiny legs on each side? |
 |
Tally: |
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Total: |
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Blood Worm (Family Chironomidae)
Is it red in color?
Does it have a thin wormlike body? |
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Tally: |
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Total: |
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Pollution tolerant invertebrates—count the
number of each type of specimen, NOT the total numbers. |
Total: |
|
Other: (describe)
Unknown: (describe) |
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Tally: |
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Total: |