Laetulonthus Moore & Legner 1973
Laetulonthus Moore & Legner 1973: 213, ex Philonthus . Type species: Staphylinus laetulus Say, 1830, by original designation. Note: Smetana (1995) and Herman (2001d) give 1834 as publication date for S. laetulus, but its original description was actually first published in 1830.
Note: Laetulonthus, so far as currently known, is an endemic North American genus (southernmost record is Jalisco) with two species at present (Smetana 1995: 505–513).
Laetulonthus nobilis (Bernhauer 1910)
Philonthus nobilis Bernhauer 1910: 381 . Type locality: Porvenir, New Mexico, USA. Type depository: FMNH HT. Distribution: USA, Mexico. Note: distribution, also within Mexico (Navarrete-Heredia et al. 2002). Leptopeltoides Chani-Posse & Asenjo 2013
Leptopeltoides Chani-Posse & Asenjo 2013: 450 . Type species: Leptopeltoides ecuatoriensis Chani-Posse & Asenjo, 2013, by original designation.
Note: Leptopeltoides is a Neotropical genus with four species currently known from the Andes of Colombia and Ecuador (Chani-Posse & Asenjo 2013).
Leptopeltoides chingazensis Chani-Posse & Asenjo 2013
Leptopeltoides chingazensis Chani-Posse & Asenjo 2013: 451 . Type locality: Colombia: PN Chingaza Alto de la Bandera, 3660m, 0.4°31'N, 73°45'W . Type depository: SEMC HT ♂. Distribution: Colombia .
Leptopeltoides columbiensis Chani-Posse & Asenjo 2013
Leptopeltoides columbiensis Chani-Posse & Asenjo 2013: 451 . Type locality: Colombia: Boyacá, SFF Iguaque La Planada, 5°25'N, 73°27'W, 2850m. Type depository: SEMC HT ♂, 3 PT. Distribution: Colombia .
Leptopeltoides ecuatoriensis Chani-Posse & Asenjo 2013
Leptopeltoides ecuatoriensis Chani-Posse & Asenjo 2013: 452 . Type locality: Ecuador : Pichincha, Quito, 27 km WNW, Campamiento Pichán (above Nono), 3350 m, 0°7'31"N, 78°33'56"W. Type depository: SEMC HT ♂, 1 PT ♀. Distribution: Ecuador .
Leptopeltoides napoensis Chani-Posse & Asenjo 2013
Leptopeltoides napoensis Chani-Posse & Asenjo 2013: 452 . Type locality: Ecuador : Napo, 42 Km NW Baeza, 3300'[1005.84 m]. Type depository: CNC HT ♂, 1PT ♀. Distribution: Ecuador .