14, 15 Myiocephalus niger Fischer, ♀ 14 first metasomal tergites, dorsal aspect 15 head, lateral aspect 16, 17 Myiocephalus boops (Wesmael), ♂ 16 head, dorsal aspect 17 head, anterior aspect 18 Myiocephalus laticeps (Provancher), ♂, head, anterior aspect 19 Myiocephalus zwakhalsi van Achterberg, ♀, head, dorsal aspect (figures 14–19 from Tan et al. 2019).