Myloechus

Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114 : 63

Key to Subgenera of Colon of Latin America (from Szymczakowski, 1964b and Salgado, 2017c)

1a Elytron with distinct tooth at humerus, and with subapical longitudinal rows of distinct punctures..... subgenus Chiloecolon

1b Elytron with the humeral angle rounded or very slightly toothed, without subapical longitudinal rows of punctures........ 2

2a Apical lobes of aedeagus as long as basal capsule, almost as wide above as in profile, their internal edge with a basal appendix..................................................................................subgenus Myloechus

2b Apical lobes of aedeagus short and very robust, at least two times shorter than basal capsule, not wider above than in profile, their internal edge without basal appendix.................................................. subgenus Chelicolon