pionia (Walker)
Musca pionia Walker, 1849: 880 .
Lucilia (Viridinsula) piona: Shannon 1926: 129 [new genus].
Viridinsula pionia: Curran 1934: 166 [records]; Linsley & Usinger 1966: 171 [checklist].
Phaenicia (Viridinsula) pionia: James 1966a: 477 [review]; James 1970: 11 [catalogue].
Phaenicia pionia: Linsley 1977: 42 [checklist].
Lucilia pionia: Aubertin 1934: 399 [review]; Tantawi & Sinclair 2013: 238 [remarks, records]; Whitworth 2014: 39 [remarks]; Moreno et al. 2020: 121 [checklist].
Distribution. Endemic. Galápagos: Fernandina, Floreana, Genovesa, Marchena, Pinta, Santa Cruz, Santiago.
Remarks. This species ranges from the littoral to highland humid zones.