Orthoptera includes grasshoppers, katydids, and crickets. Below is a list of the species that have been found in Carleton College's Arboretum in a 2006 summer research survey by Alexander Forde '07, Elisabeth Sederberg '07, and professor Mark McKone. To the side of the page is an attached list of the species found in McKnight Prairie.

Tettigonidae (Katydids)

Gryllidae (Crickets)

Acrididae (Grasshoppers)

Tetrigidae (Pygmy Grasshoppers)

Raphidophoridae (Camel Crickets)

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Tettigonidae (Katydids)

Phaneropterinae

Scudderia furcata

Amblycorypha oblongifolia

Scudderia texensis

Copiphorinae

Neoconocephalus retusus

Neoconocephalus ensiger

Conocephalinae

Orchelimum nigripes

Conocephalus fasciatus

Conocephalus saltans

Orchelimum gladiator

Orchelimum vulgare

Orchelimum nigropleuron

Tettigoninae

Tettigonia lateralis

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Gryllidae (Crickets)

Oecanthinae

Neoxabea bipunctata

Oecanthus nieveus

Oecanthus argentinus

Oecanthus quadripunctatus

Gryllinae

Gryllus pennsylvanicus

Nemobiinae

Allonemobius fasciatus

Eunemobius carolinus

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Acrididae (Grasshoppers)

Cyrtacanthacridinae

Melanoplus differentialis

Melanoplus bivittatus

Melanoplus femurrubrum

Melanoplus contusus

Oedipodinae

Dissostiera carolina

Gomphocerinae

Chloealtis conspersa

Dichromorpha viridis

Chorthippus curtipennis

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Tetrigidae (Pygmy Grasshoppers)

Tetrigidae sp.

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Raphidophoridae (Camel Crickets)

Raphidophoridae sp.

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Total Species: 29