WHAT THE EVIDENCE SAYS
Researchers described Microcylloepus dimorphus and Hexacylloepus misteriosa from adults and larvae sampled from macrophytes in Lagoa Misteriosa. These represent the first Brazilian riffle-beetle species described from a still-water habitat.
WHY IT MATTERS / OUR READ
Surveying unusual, apparently isolated microhabitats can change species-range and habitat assumptions even in well-studied taxonomic families.
CAVEATS / UNCERTAINTY
One sinkhole and one year of targeted collection; taxonomic discovery does not quantify regional abundance or endangerment.
SOURCE
Neotropical Entomology — Polizei et al. (2026)
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