An annotated checklist of the Diptera of the Galápagos Archipelago (Ecuador) Author Sinclair, Bradley J. 0000-0001-6413-1606 bradley.sinclair@inspection.gc.ca text Zootaxa 2023 2023-05-09 5283 1 1 102 http://dx.doi.org/10.11646/zootaxa.5283.1.1 journal article 30017 10.11646/zootaxa.5283.1.1 02c7ce64-10d5-4a88-9844-0570c9a54e54 1175-5326 7912667 FFACFB44-873F-4C12-90CF-D8442910659A quadrifilis Edwards (Lehnen et al . unpubl.). Psychoda quadrifilis Edwards, 1928: 73 . Distribution. Introduced. Australasian, Hawaii ; Galápagos : Isabela , Santa Cruz. Remarks. In the Galápagos this species was reared from tortoise dung collected fresh in the agricultural zone in the highlands of Santa Cruz (Reserva Pajáro Brujo) and sea lion dung collected fresh in the urban littoral lowlands on Santa Cruz. On Isabela , this species was reared from oranges in the pampa zone highlands (Lehnen et al . unpubl.). In Hawaii , this species has been reared from decaying plant materials ( Hardy 1960 ).