Stenosini

Schaum, 1859

darkling beetles

Genus Guides

Stenosini is a tribe of darkling beetles ( Tenebrionidae, Pimeliinae) containing over 40 . Members are generally small-bodied and have a pantropical distribution. The tribe is characterized by specific morphological features including non-divided and distinctive antennal proportions. Some are associated with ants, rodent nests, and soil.

Pronunciation

How to pronounce Stenosini: /stɛnoˈsiːnaɪ/

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Habitat

Semi-arid on eastern slopes of the Andes; high Andean mountains including Puna and Monte biogeographic provinces. Documented elevations range from approximately 2585–3020 m for some .

Distribution

Pantropical distribution. Documented occurrences include: Argentina (Catamarca, La Rioja, Salta provinces), Peru (Cusco and Apurímac regions).

Behavior

habits have been documented for at least one (Schizaraeus fouquei) based on specimen label data. Some members of the tribe have been observed in association with ants, rodent nests, and soil, though these associations are not confirmed for all .

More Details

Taxonomic composition

The tribe contains more than 40 , including Schizaraeus (previously , now with two described : S. acuticosta from Argentina and S. fouquei from Peru).

Research limitations

and of some remain poorly known due to small numbers of specimens available for study. The ~1300 km air distance between the two known Schizaraeus locations suggests significant geographic disjunction.