Bembidion Latreille, 1802

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 347-348

Genus Bembidion Latreille, 1802

Bembidion Latreille, 1802: 82. Type species: Carabus quadriguttatus Fabricius, 1775 (= Cicindela quadrimaculata Linnaeus, 1760) designated by Andrewes (1935: 17). Etymology. From the Greek bembix (whirl, top) and the suffix - idion (little), probably alluding to the erratic movements of adults of these small species in the field [neuter]. Note. Notwithstanding Maddison’s (1993: 151) remarks and Toledano’s (1999: 197-199) lengthy discussion, the first valid type species designation for Bembidion Latreille, 1802 is that of Andrewes (1935: 17) who designated Cicindela quadrimaculata Linnaeus, 1760. Even if this species was not an originally included species, the fact that Andrewes (1935: 17) listed it in synonymy with Carabus quadriguttatus Fabricius, 1775, a species originally included, he is deemed to have designated the latter species as type species (ICZN 1999: Article 69.2.2).

Bembidium Gyllenhal, 1810: 12. Unjustified emendation of Bembidion Latreille, 1802.

Bembecidium Agassiz, 1846: 45. Unjustified emendation of Bembidium Gyllenhal, 1810.

Bembicidium Gemminger and Harold, 1868a: 405. Unjustified emendation of Bembidion Latreille, 1802.

Diversity.

Worldwide, with about 1,250 species (Lorenz 2005: 215-236, as Bembidiina excluding Phrypeus , Amerizus , Lionepha ,and Asaphidion ) arrayed in about 105 subgenera. The Northern Hemisphere includes roughly 75% of the species and the Westhern Hemisphere approximately 30% of the species. The North American fauna alone is represented by 253 species (about 20% of the world fauna) placed in 37 subgenera. Eight of the North American species are adventive and 20 species are Holarctic.

Identification.

Hayward (1897) reviewed the North American species but his work is now outdated. Lindroth (1963b) covered 191 (six of them in the key alone) of the 253 species found in North America (about 75% of the fauna).

Taxonomic Note.

Maddison (2012: 570) presented an entirely new classification of this genus based on molecular data analyses. He found support for monophyly of Bembidion exclusive of the subgenus Phyla ; however, he retained the taxon in the genus pending further study. He recognized three series, the Odontium , Ocydromus , and Bembidion Series with the following subgenera represented in North America left unplaced: Blepharoplataphus , Plataphus (including Plataphodes ), Hydrium (including Eurytrachelus ), Metallina , Lindrochthus , Eupetedromus , Trechonepha , Liocosmius , Melomalus , Trichoplataphus , Phyla , and Lymnaeum . The North American taxa in the Odontium Series were placed in two complexes, the Hydriomicrus ( Hirmoplataphus and Hydriomicrus ) and Odontium ( Odontium , Bracteon , Ochthedromus , and Pseudoperyphus ) Complexes. The North American taxa in the Ocydromus Series were placed in two complexes, the Princidium ( Cillenus and Actedium ) and Ocydromus ( Ocydromus , Peryphus , Terminophanes , Asioperyphus , Peryphanes , Testediolum , and Leuchydrium ) Complexes. The North American taxa in the Bembidion Series were placed in three complexes, the Bembidion ( Bembidion s.str. and Cyclolopha ), Furcacampa ( Furcacampa and Neobembidion ) and Diplocampa ( Diplocampa and Semicampa ) Complexes with Notaphus , Trepanedoris , Peryphodes , and Emphanes left unplaced.

Faunistic Note.

Edwards (1975: 53) recorded a " Bembidion nigricornis Hayward" from Glacier National Park in Montana. I was unable to find any Bembidion of that name or with a similar name described by Hayward or any other North American authors.