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Macro Invertebrates Water Quality
Terms in this set (36)
-very short lived, adults live 2-48 hours before dying
-mouthparts are reduced in adults
Water Scorpions - Class 1
Have wings, different from the scorpion. Jack knife like hands for clasping live prey
Midge - Class 3
minute two-winged mosquito-like fly lacking biting mouthparts. Like mosquito.
Mosquito - Class 5
two-winged insect whose female has a long proboscis to pierce the skin and suck the blood of humans and animals
Caddisfly - Class 1
Life Cycle- Egg>Larvae>Pupa>Adult; adults have 4 wings held over the back in a "V" or tent shape at rest; no tails
Scuds - Class 2
shrimp like crustaceans with seven sets of legs first to have claws and has to sets of antenna on the head
Aquatic Sowbug - Class 2
Insects that skim along lakes and ponds. Also known as the isopod.
Damesfly - Class 2
They are like dragonflies, but the adults wings are parallel to the body when at rest.
Dragonfly - Class 2
slender-bodied non-stinging insect having iridescent wings that are outspread at rest
Crane Fly - Class 2
long-legged slender flies that resemble large mosquitoes but do not bite
Stonefly - Class 1
primitive winged insect with a flattened body
Dobsonfly - Class 1
Dobsonflies appear to be quite fearsome, having what appears to be tentacle-like appendages for mouth parts. In fact, the males of the species cannot even bite though females can deliver quite a painful bite if agitated.
Gilled Snails - Class 1
They are snails whose shells are made of calcium carbonate. Their most important fact about the snails is that they breathe air.
Water Penny - Class 1
They are called water pennies because when the beetles are children they are shaped as pennies.
Riffle Beetle - Class 1
Adult: very small, black beetle with 6 legs and antennae
Larvae: small caterpillar like "worm"
Water Mite - Class 3
Tiny parasites which feed off of things bigger than it.
Blackfly - Class 3
small blackish stout-bodied biting fly having aquatic larvae
Flatworm - Class 3
A group of invertebrates with a flattened body. Characteristics include a head and bilateral symmetry. Some are parasitic whereas others can live on their own. An example includes tapeworms.
Leeches - Class 3
A class of annelids. Some are predators and some are parasites that suck blood. It secretes anesthesia and hirudin, which prevents blood clotting, to help it suck blood.
Air Breathing Snail - Class 4
Snails that can breathe air, but are not the same as gilled snails.
Deer/Horse Fly - Class 4
Female Deer and Horse flies can bite warm blooded animals.
Tubifex - Class 4
small red annelid worm that lives in fresh water, partly buried in the mud. Also called bloodworm
Blood midge - Class 4
They are the most prolific to trout. They are useful in wet areas.
Whirligig Beetle - Class 5
aquatic beetle that circles rapidly on the water surface
Water Strider - Class 5
It floats on top of the water, but they depend on the cohesion of the water to float. If there isn't enough cohesion then they will sink.
Giant Water Bug - Class 5
large water bug with piercing and sucking mouth parts
Back Swimmer - Class 5
predaceous aquatic insect that swims on its back and may inflict painful bites, Air Breathing,, looks like little bug with sharp legs
carnivorous aquatic bug having paddle-like hind legs, -family-corixidae
Predacious Diving Beetle
predator, live in slow water, adults go to surface to get air, larva are predators
Invasive - marsh herb with a long spike of purple flowers, an invasive plant found near river, lakes and fields, Perennial, invasive plant that grows in wetlands. Imported to U.S. as an ornamental plant, but can produce 2.5 million seeds/year and reduce wetland biodiversity by displacing native vegetation.
Eurasian Water Milfoil
Invasive - This plant, while not considered a great food source for waterfowl, provides excellent cover for young fish, crabs and invertebrates. Fishermen recognize watermilfoil beds as excellent places to catch large mouth bass, which are often found lying in ambush near and amongst the stems of watermilfoil plants.
a tropical floating aquatic plant having spikes of large blue flowers - Floating plant, completely covers lakes, ponds, and slow moving rivers, federally listed noxious weed
are tiny, ranging from approximately 1/64th of an inch (0.5 mm) to 2 inches (50.80 mm), bivalve mollusks that inhabit fresh to brackish, at this time, there are relatively few ways to control zebra mussels It is illegal in Maryland to fish with bait that is contaminated by zebra mussels
Spiny Water Flea
- bottom of the food chain
- can rapidly reproduce on its own and has few predators
- competes with other zooplankton for food
- secrets a thick material that has a pungent odor
Asian Tiger Mosquito
white stripes on its legs and thorax, can carry disease, bite during the day and night
carp eat aquatic vegetation in huge amounts, particularly preferring submerged aquatic vegetation - There are two barbels on each side of the mouth. No other species that closely resembles the carp has these barbels
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