A Visual Key to Pselaphine and Protopselaphine Genera
Known from ASIA

KEY 1 -Subfamily PSELAPHINAE


Select corresponding taxa name

<1>. Tarsi each seemingly 2-segmented
..................... Supertribe Bythinoplectitae

<->. Tarsi each apparently 3-segmented
..................... 2

<2>. Mid and hind trochanters each elongate, thickened distally;
mid and hind femora each distant from coxae at base
..................... 3 (Division Macroscelia)

<->. Mid and hind trochanters each short;
mid and hind femora each closed to coxae at base
.................... 4 (Division Brachyscelia)

<3>. Antennae normal, 11-segmented in general;
abdomen normal; tarsal segment II long
..................... Supertribe Pselaphitae

<->. Antennae each much thickened, reduced in number of segments from 6 to 2;
abdomen with very large composite tergum formed by tergites III to VI;
tarsal segment II short in many cases
..................... Supertribe Clavigeritae

<4>. Tarsi each composed of short segments I and II, and large III;
tarsal claws paired, symmetrical
..................... [Supertribe Faronitae]

<->. Tarsi each composed of short segment I, and large II and III;
tarsal claw(s) asymmetrical or single
..................... 5

<5>. Hind coxae contiguous
..................... Supertribe Euplectitae

<->. Hind coxae clearly separated from each other
..................... 6

<6>. Antennal segment I subcylindrical,
more or less projected at the external side of the apex;
male genitalia with indistinct or atrophied parameres
..................... Supertribe Batrisitae

<->. Antennal segment I without projection at the external side of the apex;
male genitalia with a pair of complete parameres in general
..................... Supertribe Goniaceritae


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