ZZ SMC pit trap page

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Streams logo web.jpg ZZ SMC pit trap page
Basin:Winooski Basin
State or Province:Vermont
Country:USA
Latitude:44.514376
Longitude:-73.163379
School:Saint Michael's College



Snails and Slugs

Order
Pulmonata



Common name
Snails and Slugs
Body is slender

Moves using single foot

2 upper tentacles (eyes)

2 lower tentacles (feelers)




Earthworm



Common name
Earthworm
Long segmented tubular body



Arthropods

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Common name
Arthropod
Bilateral symmetry

Jointed appendages

Segmented body

External skeleton

Arachnids, crustaceans, insects, etc…



Arachnids



Common name
Arachnid
Chelicerae (mouthparts)

Lack antennae and wings

2 body regions- Cephalothorax (fused head and thorax) and Abdomen

4 pairs of walking legs (as adults)

Pedipalps- pair of appendages attached to the cephalothorax



Spiders

Order
Araneae



Common name
Spider
Spinnerets at the end of the abdomen

0-8 pairs of eyes

Chelicerae that end in fangs



Harvestmen

Order
Opiliones



Common name
Harvestmen
Body appears to be one oval structure due to the broad connection between the cephalothorax and the abdomen



Mites

Order
Acari



Common name
Mite
Small (generally less than 1mm)

No narrowing between cephalothorax and the abdomen



Pseudoscorpions

Order
Pseudoscorpiones



Common name
Pseudoscorpion
Small 2-8mm

Flat oval body and pincers



Myriapods



Common name
Millipedes, Centipedes
Elongated arthropods

Usually more than 10 pairs of legs



Centipedes



Common name
Centipede
One pair of legs per body segment

Long antennae

Forcipules in place of first pair of legs on the head



Millipedes



Common name
Millipedes
Two pairs of legs per body segment



Snake-like Millipedes

Order
Julida



Common name
Snake-like Millipedes
Two pairs of legs per body segment

Rounded and fairly smooth bodies

Dark brown/ black bodied




Flat-back Millipedes

Order
Polydesmida



Common name
Flat-back millipede
Two pairs of legs per body segment

Flattened and segmented bodies

Light to dark brown




Polyzoniidae

Order
Polyzoniida
Family
Polyzoniidae


Common name
Millipede
Two pairs of legs per body segment

Flat on the ventral surface with domed back (semicircular)

Tend to be dark brown in color




Sowbugs

Order
Isopoda



Common name
Sowbug, Woodlice, Pill bug
Hard exoskeleton

8 pairs of thoracic legs and 8 thoracic segments

Segmented body and can curl into a ball

Usually about half an inch



Hexapoda



Common name
Hexapod
6 legged

3 body segments



Springtails



Common name
Springtails
Very small (1-3mm in length)

Wingless

Soft-bodied



Globular Springtails

Order
Symphypleona



Common name
Globular Springtails
Round-bodied

Long antennae



Elongate-bodied Springtails

Order
Entomobryomorpha



Common name
Elongate-bodied Springtails
Long-bodied



Insecta



Common name
Insect
Hard exoskeleton

2 pairs of wings

Ants, beetles, bees, flies, etc.



Cockroaches

Order
Blattodea



Common name
Cockroach
Flattened brown bodies

Head concealed by the pronotum (part of the thorax)



Beetles

Order
Coleoptera



Common name
Beetle
Hardened forewings (elytra) covering the abdomen



Ground Beetles

Order
Coleoptera
Family
[{{{link}}} Carabidae]


Common name
Ground Beetle
Detached trochanter

Grooved elytra

Shiny Black and sometimes Green



Leaf Beetles

Order
Coleoptera
Family
Chrysomeleidae


Common name
Leaf Beetle
4 tarsal segments

Less than 12mm



Weevils

Order
Coleoptera
Family
Curculionidae


Common name
Weevil
Most have a long proboscis (snout)

Clubbed and elbowed antennae



Click Beetles

Order
Coleoptera
Family
Elateridae


Common name
Click Beetle
Spines at the base of the prothorax

Elongate Body

Serrate antenna



Fireflies

Order
Coleoptera
Family
Lampyridae


Common name
Firefly
Leathery brown/black elytra

Prothorax (shield) covers head



Sap Beetles

Order
Coleoptera
Family
Nitidulidae


Common name
Sap Beetle
Club-shaped antennae

Head not concealed

Small orange beetle



Scarab Beetles

Order
Coleoptera
Family
Scarabaeidae


Common name
Scarab Beetles
Lamellate antennae

Metallic shiny coloring

Front tibia widened with outer edges toothed



Carrion Beetles

Order
Coleoptera
Family
Silphidae


Common name
Carrion Beetle
Bump on each elytron

11 segments of antenna



Rove Beetles

Order
Coleoptera
Family
Staphylinidae


Common name
Rove Beetle
Most have short elytra leave abdomen exposed

Elongated



Unknown Beetle

Order
Coleoptera
Family
Unknown


Common name
Unknown



Beetle Larvae

Order
Coleoptera



Common name
Beetle Larvae
3 pairs of segmented legs on thorax

No fleshy “legs” on abdomen



True Flies

Order
Diptera



Common name
True Fly
One set of wings and one set of halteres (smaller “wings”)

Sucking mouthparts/ no chewing mouthparts



Mosquitoes

Order
Diptera
Family
Culicidae


Common name
Mosquito
Long slender body

Females with needle like mouthparts

Males have feathery antennae

Slender, long legged



Fungus Gnats

Order
Diptera
Family
Mycetophilidae


Common name
Fungus Gnat
Humped thorax

Pointy abdomen

Small



Housefly

Order
Diptera
Family
[{{{link}}} Muscidae]


Common name
Housefly
Antennae are three-segmented and bristly



Scuttle Fly

Order
Diptera
Family
[{{{link}}} Phoridae]


Common name
Scuttle Fly
Hind leg, femur, is laterally flattened

Small

Antennae are three-segmented and bristly



Crane Flies

Order
Diptera
Family
Tipulidae


Common name
Crane Fly
Y shaped line on thorax

Large

Terminal (fourth) segment of maxillary palpus elongate



Fruit Flies

Order
Diptera
Family
Drosophila


Common name
Fruit Fly
Bright red eye

Male black tip on abdomen

Stripped abdomen



True Bugs

Order
Hemiptera



Common name
True Bug
Beak arising from front/top of the head



Ants, Bees and Wasps

Order
Hymenoptera



Constricted waist (abdomen narrows where it meets the thorax)

Hind wings are smaller than front wings (wings not always present)

Chewing moutparts

Long antenna, 10< segments



Ants

Order
Hymenoptera
Family
Formicidae


Common name
Ant
Petiole between the thorax and abdomen

Most are wingless (only reproductive ants have wings then lose them after mating)



Spider Wasps

Order
Hymenoptera
Family
Pompilidae


Common name
Spider Wasp
Larger Wasps

Dark colored with smoky or yellowish wings

Long and spiny legs, hind femora extending beyond tip of abdomen



Yellow Jackets, Hornets, and Paper Wasps

Order
Hymenoptera
Family
Vespidae


Common name
Yellow Jacket, Hornet, Paper Wasp
Most have yellow and black warning colors

Slender, smooth body

Legs with relatively few hairs



Bees

Order
Hymenoptera
Family
Apidae


Common name
Bee
Hairy



Unknown Hymenoptera

Order
Hymenoptera



Common name
Unknown
Not any of the above Ants, Bees or Wasps



Butterflies and Moths

Order
Lepidoptera



Common name
Butterfly and Moth
Scales that cover the bodies

Proboscis

2 pairs of membranous wings



Butterfly and Moth Larvae

Order
Lepidoptera



Common name
Caterpillar
3 pairs of segmented legs on thorax

2-5 pairs of fleshy “legs” on abdomen



Scorpionflies

Order
Mecoptera



Common name
Scorpionfly
Long flat snout

Four long, narrow wings

Males have genitalia which resemble scorpion stinger

Females have long abdomen with no stinger like feature



Grasshoppers and Crickets

Order
Orthoptera



Common name
Grasshopper, Cricket
Cylindrical body

Most have long, angled hind legs for jumping

Most have 2 pairs of wings held parallel over abdomen



Short-horned Grasshopper

Order
Orthoptera
Family
Acrididae


Common name
Short-horned Grasshopper
Well developed wings

Very long hind legs

Short antenna



Field Crickets

Order
Orthoptera
Family
Gryllidae


Common name
Field Cricket
Flattened bodies

Long antenna



Camel Cricket

Order
Orthoptera
Family
Rhaphidophoridae


Common name
Camel Cricket
Very long legged crickets

Humped back with no wings



Unknown Grasshopper or Cricket

Order
Orthoptera
Family
Unknown


Common name
Grasshopper, Cricket



Barklice

Order
Pscoptera



Common name
Barklouse
Tiny insects

4 wings or no wings

Front of head bulging