Rhadalus testaceus
Rhadalus testaceus is a of in the Rhadalidae. The species is documented from extremely limited observation records, with only two observations recorded in iNaturalist. As a member of Coleoptera, it possesses hardened forewings () characteristic of beetles. The specific epithet "testaceus" refers to a brick-red or brownish-orange coloration. Beyond basic taxonomic placement, little detailed biological information has been published for this species.
Pronunciation
How to pronounce Rhadalus testaceus: /rɑˈdɑ.lus tɛsˈtɑ.ke.us/
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Distribution
Documented occurrence records are sparse; iNaturalist reports two observations, suggesting a restricted or poorly sampled distribution. Specific geographic range boundaries remain undefined.
More Details
Taxonomic Note
Rhadalidae is a small family of beetles formerly treated as part of Staphylinidae (rove beetles) or as a thereof, now generally recognized as distinct. The family contains few and , and Rhadalus represents one of the included genera. The familial classification has been unstable historically, contributing to sparse literature on constituent species.
Data Limitations
The extreme paucity of observation records (two iNaturalist observations, no Wikipedia entry, minimal NCBI taxonomic data) indicates this is either genuinely rare, geographically restricted, cryptic in habits, or simply understudied. No original species description or subsequent taxonomic revisions were accessible in the provided sources.