Photo of an alderfly larva among rocks and gravel in an aquarium.

    Alderfly Larvae

    Sialis spp.
    Photo of a blusher, a tan gilled mushroom, showing injured spot turning rust red

    Amanitas

    Amanita spp. (about 600 species, worldwide)
    Poisonous Icon

    Poisonous

    Jagged ambush bug on a plant stem

    Ambush Bugs

    Phymata spp. and others in subfamily Phymatinae (ambush bugs)
    Venomous Icon

    Venomous

    Photo of an American burying beetle

    American Burying Beetle

    Nicrophorus americanus
    exclamation mark

    Endangered

    Photo of an American lady butterfly, wings folded.

    American Lady

    Vanessa virginiensis
    American snout butterfly resting with wings folded

    American Snout

    Libytheana carinent
    Acrobat ants on a leaf

    Ants

    More than 700 species in North America
    several yellow aphids on plant

    Aphids

    More than 1,300 species in North America north of Mexico
    brokenray

    Arkansas Brokenray

    Lampsilis reeveiana
    Arkansas Darter Male

    Arkansas Darter

    Etheostoma cragini
    Photo of arrow-shaped micrathena spider

    Arrowshaped Micrathena

    Micrathena sagittata
    Photo of two ash tree boletes, tan pored mushrooms, one overturned showing pores

    Ash Tree Bolete

    Boletinellus merulioides
    fork and knife icon

    Edible

    Two Asian lady beetles, one orange with several black spots, the other red with no spots

    Asian Lady Beetle

    Harmonia axyridis
    image of Assassin Bug crawling on a leaf

    Assassin Bugs

    Nearly 200 species in North America north of Mexico
    Venomous Icon

    Venomous

    Baltimore checkerspot, perched, with wings folded

    Baltimore Checkerspot

    Euphydryas phaeton
    Image of a banded scuplin

    Banded Sculpin

    Cottus carolinae
    Photo of a Banded Tiger Moth

    Banded Tiger Moth

    Apantesis vittata
    Photo of a beautiful wood-nymph
    image of Bee Fly on leaf

    Bee Flies

    About 800 species in North America
    Photo of beefsteak polypore, a rust-colored bracket fungus growing on tree base

    Beefsteak Polypore

    Fistulina hepatica
    fork and knife icon

    Edible

    No photo available

    Big Laughing Gym (Big Laughing Jim)

    Gymnopilus junonius (formerly G. spectabilis)
    Poisonous Icon

    Poisonous

    Photo of two gigantic red false morels, cut and laying on a ground

    Big Red False Morel

    Gyromitra caroliniana
    Poisonous Icon

    Poisonous

    image of a Toad Bug

    Big-Eyed Toad Bug

    Gelastocoris oculatus
    Photo of a Black-and-Yellow Lichen Moth
    Photo of black-footed polypore, mature specimens, with photographer's foot.

    Black-Footed Polypore

    Polyporus badius
    Image of black-legged meadow katydid

    Black-Legged Meadow Katydid

    Orchelimum nigripes
    Photo of cluster of bleeding mycenas, small, capped, reddish mushrooms

    Bleeding Mycena

    Mycena haematopus
    Photo of a meloe blister beetle, female, on ground

    Blister Beetles

    More than 400 species in North America north of Mexico
    image of greenbottle fly on carcass

    Blow Flies (Bottle Flies)

    About 84 species in North America.
    Illustration of a male bluegill

    Bluegill

    Lepomis macrochirus
    Photo of a bold jumping spider.

    Bold Jumper

    Phidippus audax
    Photo of a bristly cave crayfish, viewed from the side.

    Bristly Cave Crayfish

    Cambarus setosus
    Photo of Broad-headed skink on ground among leaves

    Broad-Headed Skink

    Plestiodon laticeps
    Bronze copper butterfly perched on a grass blade, wings closed

    Bronze Copper

    Lycaena hyllus (syn. Hyllolycaena hyllus; Lycaena thoe)
    Image of brown trout

    Brown Trout

    Salmo trutta
    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    photo of bumblebee on a wild rose flower

    Bumble Bees

    Bombus spp.
    Several regal fritillaries feeding on butterfly weed

    Butterflies and Skippers

    More than 700 species in North America north of Mexico
    image of Caddisfly on leaf

    Caddisflies

    Various species in the order Trichoptera
    Photo of caddisfly larva with case made of detritus

    Caddisfly Larvae

    Various species in the order Trichoptera
    Photo of a papershell crayfish, also called calico crayfish.

    Calico Crayfish (Papershell Crayfish)

    Faxonius immunis (formerly Orconectes immunis)
    Photo of a Caney Mountain cave crayfish out of water on a wet, red-coated cave rock.

    Caney Mountain Cave Crayfish

    Faxonius stygocaneyi (formerly Orconectes stygocaneyi)
    Image of Tomentose Burying Beetle crawling on the ground

    Carrion Beetles (Burying Beetles)

    Nicrophorus, Necrophila, Necrodes, and other Silphid genera
    Image of a cave salamander

    Cave Salamander

    Eurycea lucifuga
    Image of a Cecropia moth.

    Cecropia Moth

    Hyalophora cecropia

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