KÝm­macroinvertebrates1uCreated by Tracy Cindric in 2002 for use with ecology classes using macroinvertebrates to moniter creek water quality%˙˙ CXAttdata1/4" - 1/2" (6mm-1cm)€less than 1/4" ( 6mm)€1/2-3/4" (1cm-2cm)€3/4-1" (2cm-2.5cm)€1-1 1/2" (2.5cm-4cm)€1 1/2-2" (4cm-5cm)€longer than 2" (5 cm)€'Shell has a swirl with opening on rightjHold the organism so the apex (pointy part) of the shell is at the top. Opening to shell is on the right,€ Shell is flat€several thin tailslook like long hairs€ 2 thin tailstwo hair-like tails extend€2 legs present€6 legs present€8 legs present€ Hooked legs€Segmented, unhooked legs€Large, easily seen eyes€$Eyes difficult to see or not present€Saucer shaped body€Worm-shaped body€Lobster-like body€ /lkmn€ 2 thin tails € 3 thin tails€Fan-shaped tail€3 broad, oar shaped tails€Suction pad on end€5End appears swollen (1.5 times as large as other end)€Finger-like lobes at end€2 hooks at end€4 hooks at end€˙˙€ Antennae presentJAntennae (whisker-like projectiong from the front of the head) are present antennae.jpg€˙˙€˙˙€"Many feelers present on lower half€$Shell has swirl with opening on leftiHold the organism so the apex (pointy part) of the shell is at the top. Opening to shell is on the left. ˙˙ CXMenudata˙˙kn '€SizeŠMeasure the body of the critter (include tails and antennae) using the ruler provided. Try to make your measurements gently and quickly return the critter to the creek.Stonefly w meas line.gif'€Shell VHard outer shell can be swirled like an ice cream cone or flat and joined at one area. Slide1.JPG$'€LegssCount the number of legs and type of legs present, if there are any. Be careful to avoid counting feelers as legs.Macroinveritbrates.jpg'€Number of legs '€ Type of legs'€Eyes=Quickly glance at the critter. Are eyes immediately visible?Eyes.jpg'€ Body Shape+Determine the general shape of the critter.Body Shape.jpg'€Tails or caudal end features&Look at the opposite end from the headTail shape.jpg # '€Antennae\Be careful when using this characteristic. Remember that antennae can be broken off easily. antennae.jpg '€Tail(s) '€ Thin, hairlike tails '€ jn bbjhČStream Quality Assessment Biological Monitoring Power Point by Linda Pettit (Franklin Soil and Water Conservation District- Address: 1660 Gateway Cr Suite 2 Grove City, OH 43123 Phone: 614-801-9450)˙˙ CXItemname Aquatic worm (Class Oligochaeta)5€$Black fly larvae (Phylum Simuliidae)5€$Caddislfy larvae (Order Trichoptera)5€ Clam (Class Bivalvia)5€ #Crane fly Larvae (Phylum Tipulidae)5€Crayfish (Family Cambaridae)5€%Damselfly Nymph (Suborder Zygoptera )5€5Dobsonfly Larvae or Hellgrammite (Family Corydalidae)5€&Dragonfly nymph (Suborder Anisoptera )5€Gilled Snail (Class Gastropoda)5€ Leech (Class Hirudinea)5€"Mayfly nymph (Order Ephemeroptera)5€ "Midge larvae (Order Ephemeroptera)5€'Pouch (lunged) snail (Class Gastropoda)5€!Stonefly nymph (Order Plecoptera)5€.Water penny beetle larvae (Family Psephenidae)˙˙ CXItemrec˙˙˙˙˙˙˙˙˙˙˙˙(Stonefly has two tails and long antennae Slide1a.JPGF€ ˙˙˙˙˙˙˙˙˙˙˙˙)Mayfly has three tails and short antennae Slide2.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙`Flat, circular body. Usually found attached under rocks in quickly flowing areas of the stream. Slide3.JPGF€ ˙˙˙˙˙˙˙˙˙˙˙˙kShell opens to the right when the snail is held so the apex is at the top and the opening is at the bottom. Slide4.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙ˇWorm-like body with 6 legs near head. Body is usually greenish with a dark head. Found under rocks located in swiftly moving current in "rock house" (see picture) on bottom of rock. Slide5.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙}Has 6 legs on upper third of body and many paired feelers on lower two-thirds of body. Has pinchers near mouth - be careful! Slide6.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙gLooks like small lobsters. Moves quickly in water. Has two large claws. Be careful - they may pinch! Slide8.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙AHas 6 hooked legs and very large eyes (take up most of its head). Slide9.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙J3 delicate, feathery, oar shaped extensions of tail. 6 thin, hooked legs. Slide10.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙rCaterpillar-like segmented body. Usually white but can be green or brown. Finger-like lobes at rear end of body. Slide11.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙,Hard outer shell. Two equal parts to shell. Slide12.JPGF€ ˙˙˙˙˙˙˙˙˙˙˙˙(Worm-like body with suction pads at end. Slide13.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙Look like thin earthworms Slide14.JPGF€ ˙˙˙˙˙˙˙˙˙˙˙˙sBody looks like segmented worm with one leg in the front and one in the back on each side. Squirm quickly to move. Slide15.JPGF€˙˙˙˙˙˙˙˙˙˙˙˙EOne end of body appears swollen and has suction pad. Has black head. Slide16.JPGF€ ˙˙˙˙˙˙˙˙˙˙˙˙jShell opens to the left when the snail is held so the apex is at the top and the opening is at the bottom. Slide17.JPG˙˙ CXDatablock =PBPƒ‘€˙€Đ  @ }Ą?P€P? €? „ €ˆ   €