Megalopsidiinae | |
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Megalopinus caelatus | |
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Subfamily: | Megalopsidiinae Leng, 1920 |
The Megalopsidiinae are a monogeneric subfamily of the Staphylinidae, which includes only the genus Megalopinus . [1] 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. [2] 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. [3] From the Orientalis 74 (+ one fossil, Megalopinus extinctus Yamamoto & Solodovnikov, 2016, described from Burmese amber [4] ) species are known. [5]
The rove beetles are a family (Staphylinidae) of beetles, primarily distinguished by their short elytra that typically leave more than half of their abdominal segments exposed. With over 66,000 species in thousands of genera, the group is the largest family in the beetle order, and one of the largest families of organisms. It is an ancient group that first appeared during the Middle Jurassic based on definitive records of fossilized rove beetles, with the Late Triassic taxon Leehermania more likely belonging to Myxophaga. They are an ecologically and morphologically diverse group of beetles, and commonly encountered in terrestrial ecosystems.
Pselaphinae are a subfamily of beetles in the family Staphylinidae, the rove beetles. The group was originally regarded as a separate family named Pselaphidae. Newton and Thayer (1995) placed them in the Omaliine group of the family Staphylinidae based on shared morphological characters.
Staphylinoidea is a superfamily of beetles. It is a very large and diverse group with worldwide distribution.
Georissus, also called minute mud-loving beetles, is the only genus in the beetle family Georissidae. They are tiny insects living in wet soil, often near water. They are found on every continent except Antarctica.
Kachinus is an extinct genus of ant-like stone beetle in the family Staphylinidae containing the single species Kachinus antennatus.
The Paederinae are a subfamily of the Staphylinidae, rove beetles. As of 2024, three tribes are accepted within this subfamily: Lathrobiini, Paederini, and Pinophilini. This insect is commonly known as Tomcat.
Dasycerinae is a subfamily of rove beetles. Dasycerinae currently only contains 1 extant genus and 3 extinct genera.
The Aleocharinae are one of the largest subfamilies of rove beetles, containing over 12,000 species. Previously subject to large-scale debate whether the subfamily deserved the familial status, it is now considered one of the largest subfamilies of rove beetles.
The Empelinae are a subfamily of rove beetles; their biology is virtually unknown. Their anatomy and ecology resemble many rove beetles.
The Euaesthetinae are a subfamily of the Staphylinidae (Coleoptera) containing six tribes.
The Habrocerinae are a subfamily of the Staphylinidae, rove beetles.
The Leptotyphlinae are a subfamily of the Staphylinidae, rove beetles. They are very small, less than 1.8 mm long, and are eyeless and wingless. These beetles appear to have seven abdominal segments, and 3-3-3 is their tarsal formula. They are found in leaf litter or deep soil, possibly as predators of mites, collembola, and other soil arthropods. Nine genera and 13 species are known from North America, in western states and Florida, but they may be more widespread.
The Oxyporinae are a subfamily of the Staphylinidae discovered in 1839 by Erichson. One genus, Oxyporus Fabricius, with 132 species, is found worldwide.
The Oxytelinae are a subfamily of the Staphylinidae, rove beetles. There are about 20 genera and at least 320 described species in Oxytelinae.
Phloeocharinae is a subfamily of beetles in the family Staphylinidae.
Fustiger is a genus of ant-loving beetles in the family Staphylinidae. There are at least 3 described species in Fustiger.
Micropeplus is a genus of rove beetles in the family Staphylinidae. There are at least 40 described species in Micropeplus.
Omaliini is a tribe of ocellate rove beetles in the family Staphylinidae. There are about 45 genera and 450 described species in Omaliini.
Pinophilini is a tribe of rove beetles in the family Staphylinidae.
Burmese amber is fossil resin dating to the early Late Cretaceous Cenomanian age recovered from deposits in the Hukawng Valley of northern Myanmar. It is known for being one of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions. A mostly complete list of all taxa described up to the end of 2023 can be found in Ross (2024).