Megalopsidiinae
| Megalopsidiinae | |
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| Megalopinus caelatus | |
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Megalopsidiinae
Leng, 1920
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The Megalopsidiinae are a monogeneric subfamily of the Staphylinidae, which includes only the genus Megalopinus. They have large eyes, antennae with distinct di- or trisegmented clubs. The tarsal formula is 5-5-5. They have unique elongated processes at the anterior margin of the labrum. They are found in decaying trees and fungus-infested logs. Four species are found in North America: Megalopinus caelatus (Gravenhorst, 1802), Megalopinus punctatus (Erichson, 1840), Megalopinus rufipes (LeConte, 1863) and Megalopinus lingafelteri Mainda, 2023.
So far, 333 species are known from the entire New World. From the Orientalis 74 (+ one fossil, Megalopinus extinctus Yamamoto & Solodovnikov, 2016, described from Burmese amber) species are known.
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Megalopinus caelatus -
M. caelatus
