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Great Smoky Mountains National Park

Illustrated Key to Pseudoscorpions: Superfamily Neobisioida


PSEUDOSCORPIONES from TENNESSEE and NORTH CAROLINA

superfamily Neobisioidea

Genera recorded from the GSMNP are listed in purple type. Genera recorded from nearby locations outside of the Park, but which possibly occur in the GSMNP are listed in orange type, and genera known from Tenneessee and North Carolina but not from the immedaite region of the Park are in black type.

Couplet 1

Pleural membranes of abdomen longitudinally striate
Family Syarinidae, Pseudoblothrus = Chitrella

Pleural membranes of abdomen granulate
Family Neobisiidae- go to Couplet 2

Couplet 2- Neobisiidae

Spinneret in the form of a low rounded knob or absent
go to Couplet 3

Spinneret on movable finger of chelicera a long, usually branched or multipartite galea
go to Couplet 5

Couplet 3

Palpal chela with normal complement of 4 trichobothria on movable finger and 8 on fixed finger
go to Couplet 4

Palpal chela with 3 trichobothria on movable finger and 7 on fixed finger
Microbisium

Couplet 4

Sternite III of male with a comb-like row of close-set setae in center of anterior sternal edge and a posterior row of setae
Novobisium

Sternite III of male with a group of anterior and median and a posterior row of setae
Trisetobisium

Couplet 5

Palpal segments smooth
Lissocreagris

Palpal segments granulate
go to Couplet 6

Couplet 6

Chelal trichobothria "sb" and "st" equidistant from "b" and "t", respectively; "st" no closer to interior margin of finger than other trichobothria.
Tuberocreagris

Chelal trichobothrium "st" slightly closer to "t" than to "sb"; "st" closer to interior margin of finger than other trichobothria.
Lissocreagris (see couplet 5 for other members of the genus)


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