Brachyglutini

Raffray, 1904

Tribe Guides

Brachyglutini is a tribe of rove beetles in the Pselaphinae ( Staphylinidae). These beetles are minute, typically measuring 1–2 mm in length, and exhibit the characteristic compact body form and reduced typical of pselaphine rove beetles. The tribe was established by Raffray in 1904 and contains numerous distributed across multiple continents. Members of this tribe are primarily found in forest litter and soil where they function as micro- or scavengers.

Reichenbachia tumorosa by (c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon. Used under a CC-BY license.

Rybaxis conjuncta by no rights reserved, uploaded by Nick Bédard. Used under a CC0 license.

Pronunciation

How to pronounce Brachyglutini: /ˌbrækɪˈɡluːtɪnaɪ/

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Identification

Brachyglutini can be distinguished from other pselaphine tribes by the structure of the and the form of the abdominal tergites. The tribe is characterized by a compact body with short that leave most of the exposed, and antennae that are often clubbed or with modified terminal segments. Detailed identification to or level requires examination of male genitalia and other minute morphological features visible only under high magnification.

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Habitat

Forest floor litter, decaying wood, moss, and soil . Members are found in humid microhabitats with abundant organic matter.

Distribution

distribution with records from North America, South America, Europe, Asia, Africa, and Australasia. The tribe is particularly diverse in tropical and subtropical regions.

Similar Taxa

GoniaceriniAnother tribe in the supertribe Goniaceritae; distinguished by differences in antennal structure and abdominal segmentation
EuplectiniTribe in Pselaphinae with similar minute size and preferences; differs in details of mouthpart and leg structure

More Details

Taxonomic note

Brachyglutini is placed in the supertribe Goniaceritae. The classification of Pselaphinae tribes has undergone revision, and some former members of Brachyglutini may have been transferred to other tribes. The tribe contains many , but comprehensive -level inventories remain incomplete for most regions.