Newly identified species Sapintus horii shows distinct features in antennomeres, indicating evolutionary changes in Coleoptera.
Sapintus horii Saitȏ, new species, is described from Hokkaido, Japan. This new species appears to be closely related to Sapintus litorosus (Lewis, 1895), differing from the latter in several respects, but notably by the elongate, cylindrical antennomeres 7-9 in males.
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Masahiro Saitȏ (2025) studied this question.
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