Chroaptomus Sharp 1885

Chroaptomus Sharp 1885: 437 . Type species: Philonthus flagrans Erichson, 1840, designated by Lucas 1920: 184.

Notes: Chroaptomus is an endemic Neotropical genus with five valid species known at present, distributed from Mexico to northern Argentina, through Guatemala, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Ecuador, Peru, Bolivia and Brazil (Chani-Posse 2006). The genus has been recently revised (Chani- Posse 2006) and its monophyly confirmed (Chani-Posse et al. 2018).

Chroaptomus centralis Chani-Posse 2006

Chroaptomus centralis Chani-Posse 2006: 373 . Type locality: Honduras: Olancho: La Unión, Parque Nac. La Muralla. Type depository: FMNH HT ♂, etc. Distribution: Mexico, Guatemala, Honduras, Colombia, Venezuela.

Chroaptomus coelites (Erichson 1840)

Philonthus coelites Erichson 1840: 440 . Type locality: Brasilia. Type depository: ZMHB LT. Distribution: Brazil (Bahia, Paraná, Pernambuco, Rio de Janeiro, Santa Catarina, São Paulo). Notes: comb. nov. ex Philonthus (Scheerpeltz, 1933: 1376, as var. of flagrans); lectotype designation, redescription and distribution (Chani- Posse 2006: 373); distribution within Brazil (Asenjo et al. 2013).

Chroaptomus flagrans (Erichson 1840)

Philonthus flagrans Erichson 1840: 441 . Type locality: Columbia. Type depository: ZMHB LT ♂, 3 PLT. Distribution: Mexico, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Ecuador, Peru, Bolivia, Brazil, Argentina. Notes: comb. nov. ex Philonthus (Sharp 1885: 437); Peru (Asenjo 2004); lectotype designation, redescription and distribution (Chani-Posse 2006: 370); distribution, also within Mexico (Navarrete-Heredia et al. 2002, Márquez 2006).

Chroaptomus mexicanus Chani-Posse & Navarrete-Heredia 2006

Chroaptomus mexicanus Chani-Posse & Navarrete-Heredia in Chani-Posse 2006: 376 . Type locality: Jalisco, Tequila, Volcán de Tequila, 2500m . Type depository: CZUG HT, etc. Distribution: Mexico .

Chroaptomus regalis Sharp 1885

Chroaptomus regalis Sharp 1885: 438 . Type locality: Bugaba, Panama. Type depository: BMNH LT, FMNH 3 PLT. Distribution: Costa Rica, Panama. Note: lectotype designated by Chani- Posse (2006: 375).

Delgadobius Chani-Posse & Couturier 2012

Delgadobius Chani-Posse & Couturier 2012: 82 . Type species: Delgadobius amazonensis Chani-Posse & Couturier, 2012, by original designation.

Note: Delgadobius is an endemic Neotropical genus with a single species recorded so far.

Delgadobius amazonensis Chani-Posse & Couturier 2012

Delgadobius amazonensis Chani-Posse & Couturier 2012: 84 . Type locality: Peru: Loreto: Iquitos Nauta road, km 46, 04° 02'S 73° 24'W. Type depository: MNHN HT ♂; FMNH 4PT, etc. Distribution: Brazil, Peru. Notes: in male inflorescences of palms Mauritia, Oenocarpus, Euterpe spp ( Arecaceae) (Chani-Posse & Couturier 2012); not in Asenjo et al. 2013.