Platytomus longulus
(Cartwright, 1948)
Platytomus longulus is a small aphodiine dung beetle described by Cartwright in 1948. It belongs to the tribe Psammodiini, a group often associated with sandy or loose substrates rather than dense . The occurs across a broad geographic range spanning the southeastern United States and much of South America.
Pronunciation
How to pronounce Platytomus longulus: /ˌplæ.tɪˈtoʊ.məs ˈlɒŋ.ɡjuː.ləs/
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Identification
As a member of Psammodiini, Platytomus longulus likely exhibits the tribe's characteristic compact body form and adaptations for burrowing in sandy substrates. Specific diagnostic features distinguishing it from are not documented in available sources. The specific epithet "longulus" (somewhat long) may refer to a subtly elongated body proportion relative to related .
Distribution
Nearctic: southeastern United States (Alabama, Florida, Mississippi, South Carolina, Texas). Neotropical: Argentina, Bolivia, Brazil (Mato Grosso do Sul, São Paulo), Guyana, Honduras, Suriname, Uruguay. The disjunct distribution pattern suggests either broad ecological or potential cryptic diversity requiring further study.
Similar Taxa
- Other Platytomus species share the -level characteristics of small size and psammophilous (sand-loving) habits; precise identification requires examination of male genitalia and subtle morphometric differences.
- Other Psammodiini generaTribe members share adaptations and sandy preferences; Platytomus is distinguished by specific antennal and leg structures.
More Details
Nomenclatural note
The original description by Cartwright (1948) established this within the aphodiine fauna of the Americas. The broad distribution spanning both Nearctic and is notable for a relatively small and may warrant future phylogeographic investigation.