Margaiostus
Stibick, 1978
Margaiostus is a of () established in 1978. It was long considered restricted to the New World, with known from North and South America. The genus was first recorded in the Palaearctic region in 2015 with the description of M. sundukovi from the Russian Far East, significantly expanding its known geographic range. The genus belongs to the diverse click beetle , whose members are characterized by their ability to right themselves using a prosternal that clicks against the mesosternum.
Distribution
North America, South America, and the Russian Far East (Palaearctic region). The was originally described from the New World; the Palaearctic occurrence represents a substantial range extension.
More Details
Taxonomic history
The was established by Stibick in 1978. For approximately 37 years, it was considered to the Americas. The 2015 description of M. sundukovi from Primorsky Krai, Russia marked the first Palaearctic record and demonstrated a trans-Pacific or Beringian distribution pattern shared by several other groups.
Research gaps
Available literature provides minimal biological information beyond taxonomic descriptions and distribution records. , larval biology, and remain undocumented for this .