Key to the species of Myxia 1. Body dark fuscous, vertex bicolored (tannish caudally, fuscous distally), wings patterned, lacking ir crossvein (im also missing); flagellum large bearing four long sclerotized processes.................................. Myxia baynardi sp. n. 1’. Body testaceous or yellow, vertex pale, not bicolored; wings clear............................................... 2 2. Body uniformly yellow, face without markings, periandrium with large retrose spine and two subapical anterior angled spines.......................................................................... Myxia belinda Bahder & Bartlett 2’. Body testaceous, face with white markings and orange patch traversing median carina, periandrium with two apical spines..................................................................................... Myxia delta (Kramer)

Published as part of Zumbado Echavarria, Marco A., Barrantes Barrantes, Edwin A., Bartlett, Charles R., Helmick, Ericka E. & Bahder, Brian W., 2021, A new species of planthopper in the genus Myxia (Hemiptera: Auchenorrhyncha Cixiidae) from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica, pp. 351-363 in Zootaxa 4915 (3) on page 361, DOI: 10.11646/zootaxa.4915.3.4, http://zenodo.org/record/4456518