A Visual Key to Pselaphine and Protopselaphine Genera
Known from ASIA

KEY 0: Protopselaphine, Pselaphine or Another Group?


Select corresponding taxa name or pictures.

<1>. Body elongate; elytra shortened; tarsi each 3-segmented;
abdominal segments IV to VIII exposed;
sternite VIII with diffence gland at basimedian part
................. 2

<->. Body rounded, elytra covering abdominal segments IV to VIII
tarsi each not 3-segmented; sternite VIII without diffence gland
at basimedian part
................. not pselaphine nor protopselaphine.

<2>. Abdomen elongate, acuminate toward apex;
each elytron about twice as long as wide, without basal fovea;
pretarsi each with symmetrical tarsal claws and a pair of parungeal setae
................. Subfam. PROTOPSELAPHINAE

<->. Abdomen elongate or shortened, never flexible, rounded at apex in many cases;
each elytron less than twice as long as wide, with basal foveae in general;
pretarsi with more or less reduced parungeal seta.
................. Subfam. PSELAPHINAE


PROTOPSELAPHINAE

Abdomen flexible, acuminate
elytron without basal fovea


PSELAPHINAE

Abdomen never flexible,
rounded at apex;
elytron usually with basal foveae

SCYDMAENIDAE
Not STAPHYLINIDAE


Dasycerus (DASYCERINAE)

Not Pselaphinae
nor Protopselaphinae
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