Tetrabothrus pubescens BERNHAUER, 1915

Assing, Volker, 2016, On some Lomechusini of the Palaearctic and Oriental regions (Coleoptera: Staphylinidae: Aleocharinae), Beiträge Zur Entomologie = Contributions to Entomology 66 (1), pp. 13-111 : 95-96

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https://doi.org/ 10.21248/contrib.entomol.66.1.13-111



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Tetrabothrus pubescens BERNHAUER, 1915


Tetrabothrus pubescens BERNHAUER, 1915 View in CoL

( Figs 154–156 View Figs 144–159 )

Tetrabothrus pubescens BERNHAUER, 1915b: 241 View in CoL f.

Type material examined: Syntype ♀: “Banjoewangi, Java 1910, Mac Gillavry / Tetrabothrus pubescens Brh , Typus / Chicago NHMus, M. Bernhauer Collection / Syntypus Tetrabothrus pubescens Bernhauer , rev. V. Assing 2016 ” ( FMNH) .

Comment: The original description is based on an unspecified number of syntypes from “ Java: Bajoewangi (Mac Gillavry), Preanger (P.F. Sijthoff)” ( BERNHAUER 1915b). The sole syntype located in the BERNHAUER collection is a female and consequently not designated as the lectotype. The depository of the type material from Preanger is unknown.

The external characters ( Figs 154–156 View Figs 144–159 ) are practically identical to those of the holotypes of T. indicus and of T. femoralis PACE, 2014 (Borneo: Sabah). Coloration: body reddish with the elytra, except for the base, darker; antennae uniformly reddish; legs yellow with the apices of all femora black. Tergite VII without non-setiferous punctation anteriorly. Males from Java would be required for a reliable identification and for clarifying if T. indicus and/or T. femoralis are junior synonyms of T. pubescens .

Not only the external characters, but also the lateral aspect of the median lobe of the aedeagus of T. indicus ( Figs 437–439 View Figs 420–441 ), T. rougemonti ( PACE 1998: figures 211–212), T. femoralis ( PACE 2014: figures 120–121), and T. inflexus ( Figs 440–441 View Figs 420–441 ) are highly similar. However, based on currently available material, these species seem to be distinguished by the ventral aspect of the ventral process of the aedeagus (broad and strongly sinuate in T. rougemonti and T. femoralis ; narrow, small, and with sinuate lateral margins in T. inflexus ; weakly sinuate in T. indicus ). Moreover, T. inflexus is distinguished from the other species by generally darker coloration of the body and particularly by blackish-brown antennomeres IV–X (more or less uniformly reddish in T. pubescens , T. indicus , T. rougemonti , and T. femoralis ).

Aside from Java, T. pubescens has been recorded from Java, Sumatra, and from the Philippines. However, the reference specimens from the Philippines are not conspecific with the type material (see the section on Tetrabothrus spec. 2 ) and no material from Sumatra has been revised. At present, T. pubescens is reliably known only from Java.


USA, Illinois, Chicago, Field Museum of Natural History (also used by Finnish Museum of Natural History)


Field Museum of Natural History














Tetrabothrus pubescens BERNHAUER, 1915

Assing, Volker 2016

Tetrabothrus pubescens BERNHAUER, 1915b: 241

BERNHAUER, M. 1915: 241
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