ortalid

noun

1. (obsolete)A fly of the family Ortalidae (now Ulidiidae).

   “He exhibited, also, two rare ortalid flies which resemble ants in appearance, Myrmecomyia myrmecoides Loew and Odontomera ferruginea Macquart.”

   “The present paper is the result of a survey of the ortalid flies of the genus Pseudotephritis in the collections of the United States Biological Survey and the United States National Museum collection.”

   “Although this family has some forms transgressive to the ortalids, it consists of a rather uniform monophyletic group, having not only morphological but also biological features in common.”