Abstract
Abstract. Based on a well-preserved specimen from Eocene Baltic amber, a new
weevil – Baltacalles triumurbium gen. et sp. nov. – is described and illustrated. The new fossil genus
is similar to the extant Acalles Schoenherr, 1825 but differs from it in the
denticulate femora, abdominal ventrites 1–2 combined about 2.8 times as
long as ventrites 3–4 combined, distinct scutellum, narrow, subparallel
metepisternum, not flattened rostrum, and narrow forehead. This is the first
described representative of the Tylodina (Molytinae: Cryptorhynchini)
described from Baltic amber. The data on the geographically and
stratigraphically distinct local sources of Baltic amber in the Kaliningrad
Region are provided; the main sampling localities are listed and
photographed. The importance of the possible exact labeling of the material
is emphasized.
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