Identification
All known Tasmanian Symphyla are in Phylum Arthropoda, Class Symphyla, Order Cephalostigmata, Family Scutigerellidae.
Key to species (adults): (modified from Clark & Greenslade 1996; check this reference and Scheller (1996) for illustrations and full descriptions to confirm identification of native species. Known localities are shown on the distribution page.)
1a. Antennae long, up to 0.8 of body length; body ca. 12 mm long; cave-dweller from Hastings Caves area
Hanseniella magna Scheller, 1996 (map)
1b. Antennae generally 0.3 of body length; body generally less than 7 mm long
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2a. At least some tergites with fine hairs
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2b. No tergites with fine hairs
Hanseniella nuda Clark & Greenslade, 1996 (map)
3a. Macrochaetae at least on tergites 2, 3, 4 and 7
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3b. Macrochaetae only on tergites 2, 3, and 6
Hanseniella hebes Clark & Greenslade, 1996 (map)
4a. Dorsal surface of head smooth, with or without scale-like thickenings of the cuticular cover
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4b. Dorsal surface of head with fine hairs
Hanseniella insequens Clark & Greenslade, 1996 (map)
5a. At least 0.75 of dorsal surface of cerci with fine hairs
Hanseniella audax Clark & Greenslade, 1996 (map)
5b. At most 0.5 of dorsal surface of cerci with fine hairs
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6a. Posterior portion of tergites smooth
Hanseniella pyrethrata Clark & Greenslade, 1996 (map)
6b. Posterior portion of tergites 2-14 with fine hairs
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7a. Macrochaetae present on tergite 14
Hanseniella copiosa Clark & Greenslade, 1996 (map)
7b. No macrochaetae on tergite 14
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8a. All tergites with fine hairs, hairs long and not confined to thickenings of the cuticular cover
Hanseniella pluvialis Clark & Greenslade, 1996 (map)
8b. All tergites with fine hairs, hairs short and generally confined to thickenings of the cuticular cover
Hanseniella conveniens Clark & Greenslade, 1996 (map)
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