Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† Mĭcon, ōnis, m., = Μίκων, the name of a shepherd: cum me arbustum videre Miconis … incidere falce, Verg. E. 3, 10: ramosa Micon vivacis cornua cervi, id. ib. 7, 30.
So, forte Micon senior, Canthusque Miconis alumnus, Calp. Ecl. 5, 1.