Wisconsin's Northwoods invertebrates - terrestrial and freshwater
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Lake darner (Aeshna eremita)
A large and brightly coloured dragonfly, the lake darner (Aeshna eremita) is the largest Aeshna…
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Slippershell mussel (Alasmidonta viridis)
The slippershell mussel (Alasmidonta viridis) is a small freshwater mollusc with a yellow to dark…
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Common green darner (Anax junius)
One of North America’s most common and widespread dragonflies , the common green darner (Anax…
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Small pearl-bordered fritillary (Boloria selene)
This species is similar in appearance and size to the pearl-bordered fritillary , but has darker…
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Swamp metalmark (Calephelis mutica)
The swamp metalmark (Calephelis mutica) is an orange-brown butterfly of North America that is…
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Chequered skipper (Carterocephalus palaemon)
As the name suggests, this small, fast-flying, chocolate-brown butterfly has a chequered patterning…
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Large heath (Coenonympha tullia)
Adult large heath butterflies always have their wings closed when at rest; males are smoky…
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Purple wartyback (Cyclonaias tuberculata)
The purple wartyback (Cyclonaias tuberculata) is a rather distinctive mollusc, named partly for the…
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Monarch butterfly (Danaus plexippus)
One of the best-known butterfly species, the beautiful monarch butterfly (Danaus plexippus) is…
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Eastern pondhawk (Erythemis simplicicollis)
The eastern pondhawk (Erythemis simplicicollis) is a stunning dragonfly that displays extreme sexual…
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Dragonhunter (Hagenius brevistylus)
The largest of the North American clubtail dragonflies (Gomphidae family), the dragonhunter…
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Cherrystone drop (Hendersonia occulta)
The only species in its genus, the cherrystone drop (Hendersonia occulta) is a tiny terrestrial…
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Chalk-fronted corporal (Libellula julia)
The chalk-fronted corporal (Libellula julia) is a distinctive dragonfly with two white bars on the…
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Widow skimmer (Libellula luctuosa)
The widow skimmer (Libellula luctuosa) is a large, attractive dragonfly with uniquely patterned…
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Twelve-spotted skimmer (Libellula pulchella)
The twelve-spotted skimmer (Libellula pulchella) is a large, striking dragonfly which gains its…
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Four-spotted chaser (Libellula quadrimaculata)
The four-spotted chaser (Libellula quadrimaculata) gets its name form the four dark spots present at…
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Small copper butterfly (Lycaena phlaeus)
One of the UKs smaller butterflies, the small copper makes up for its diminutive size by being one…
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Eastern tiger swallowtail (Papilio glaucus)
Information on the eastern tiger swallowtail is currently being researched and written and will…
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Small white (Pieris rapae)
This widespread and familiar white butterfly is one of the most common butterflies in Europe . As…
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Common whitetail (Plathemis lydia)
A stout, medium-sized dragonfly , the common whitetail (Plathemis lydia) is widespread throughout…
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Northern blue butterfly (Plebejus idas)
The northern blue butterfly (Plebejus idas) is a small North American butterfly with bright…
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Cherry-faced meadowhawk (Sympetrum internum)
Information on the cherry-faced meadowhawk (Sympetrum internum) is currently being researched and…
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House spider (Tegenaria domestica)
The house spider (Tegenaria domestica) is probably the best known and perhaps the most hated of the…
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Red admiral (Vanessa atalanta)
The red admiral (Vanessa atalanta) is a familiar butterfly, and is easy to identify thanks to its…
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Painted lady (Vanessa cardui)
The beautiful painted lady butterfly is a long-distance migratory species, and is easily recognised…