Eupariini

Schmidt, 1910

eupariine dung beetles, small dung beetles

Genus Guides

Eupariini is a diverse tribe of small dung beetles in the Aphodiinae (Scarabaeidae). The tribe comprises over 40 and approximately 640 described globally, with exceptional diversity in the Neotropics where around 28 genera and 333 species occur. Members are smaller than their sister lineage Scarabaeinae. The tribe has a broad geographic distribution spanning the Australian, Oriental, and Neotropical zoogeographical regions, with fossil representatives known from Eocene Baltic amber.

Ataenius spretulus by (c) Tyler Bishop, some rights reserved (CC BY), uploaded by Tyler Bishop. Used under a CC-BY license.

Pronunciation

How to pronounce Eupariini: /juːˈpærɪˌaɪnaɪ/

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Identification

Eupariini are distinguished from other Aphodiinae tribes primarily by genitalic and mouthpart characters used in tribal classification. Within the tribe, are differentiated by features of the , pronotum, elytral , and male genitalia. The tribe is morphologically diverse, with some genera exhibiting specialized adaptations for myrmecophily or termitophily. -level identification typically requires examination of male genitalia and detailed external .

Images

Habitat

Members of Eupariini occupy diverse terrestrial across tropical and subtropical regions. Specific habitat associations vary by and . Some have been recorded from forested environments in Southeast Asia and Australia. The extinct species Airapus lithuanicus is known from Late Eocene Baltic amber forest deposits.

Distribution

Australian zoogeographical region (including Queensland); Oriental region (mainland Southeast Asia: Malaysia, Thailand, Laos, Vietnam; China: Fujian Province; Sumatra; Wallacea area); Neotropical region (Colombia and broader South America); fossil: Late Eocene Baltic amber deposits.

Similar Taxa

ScarabaeinaeLarger body size distinguishes Scarabaeinae from Eupariini; both are dung beetle lineages but Eupariini are consistently smaller.
Other Aphodiinae tribesEupariini is distinguished from other aphodiine tribes by genitalic and mouthpart ; precise tribal boundaries require detailed anatomical examination.