Taxonomy
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Insecta
- Order: Coleopica
- Family: Carabidae (ground beetles)
- Subfamily: Pterostichinae
- Genus: Blennidus
- Species: Blennidus olivaceus
Authority
The species was formally described by the entomologist Straneo in 1951.
Description
Blennidus olivaceus is a member of the ground‑beetle genus Blennidus, which comprises medium‑sized, predatory beetles typically characterized by elongated bodies, well‑developed legs for running, and a hardened elytral cover. The specific epithet “olivaceus” suggests an olive‑brown coloration, a trait observed in several Blennidus species, though detailed morphological measurements for this species are not widely published.
Distribution and Habitat
The genus Blennidus is primarily distributed in the Andean regions of South America, including countries such as Colombia, Ecuador, Peru, Bolivia, and Chile. While exact locality records for B. olivaceus are limited, it is presumed to inhabit montane forest or high‑altitude grassland ecosystems typical of other Blennidus species.
Ecology
As a ground beetle, B. olivaceus is presumed to be a nocturnal predator, feeding on other small invertebrates. Like its congeners, it likely plays a role in soil aeration and the regulation of arthropod populations.
Conservation Status
No specific assessment for Blennidus olivaceus appears in major conservation databases (e.g., IUCN Red List). Consequently, its conservation status remains unevaluated.
Remarks
The scientific literature on Blennidus olivaceus is sparse, and detailed information regarding its precise distribution, biology, and ecology is limited to the original taxonomic description and occasional checklist entries. Further field studies would be required to elaborate on its habitat preferences and population trends.