Genus Chrysomya Robineau -Desvoidy 1830 Chrysomya Robineau-Desvoidy manuscript name (Blainville et al., 1826: 11), unavailable name; suppressed by action of ICZN (1990: 162 [Opinion 1601]); treated under Chrysomya Robineau-Desvoidy, 1830. Chrysomya Robineau Desvoidy, 1830: 444. Type species: Chrysomya regalis Robineau-Desvoidy, 1830: 449, by designation of Coquillett, 1910: 523, conserved by ICZN 1988: 236. Chrysomyia Macquart, 1835: 251. Unjustified emendation of Chrysomya and preoccupied by Chrysomyia Macquart, 1834a: 262 (= Microchysa Loew, 1855: 148, Stratiomyidae). Compsomyia Rondani, 1875: 425. Type species: Musca dux Eschscholtz, 1822: 114, by designation of Coquillett, 1910: 526 = Musca megacephala Fabricius, 1794: 317 [= Chrysomya megacephala (Fabricius, 1794)]. Junior synonym. Pycnosoma Brauer & Bergenstamm, 1894: 624. Type-species: Musca marginalis Wiedemann, 1830: 395 junior primary homonym, preoccupied by Musca marginalis Geoffroy, 1785: 497, suppressed by ICZN 1988: 236 = Chrysomya regalis Robineau-Desvoidy, 1830: 449, by original designation. Junior synonym. Paracompsomyia Hough, 1898: 184. Type-species: Paracompsomyia nigripennis Hough, 1898; = Chrysomya regalis Robineau-Desvoidy, 1830: 449, by monotypy. Junior synonym. Microcalliphora Townsend, 1916a: 618. Type species: Lucilia varipes Macquart, 1851: 222, by original designation = Chrysomya varipes (Macquart, 1851: 222). Junior synonym. Psilostoma Surcouf, 1920: 58. Type species: Ochromyia incisuralis Macquart, 1851: 219, by original designation = Chrysomya incisuralis (Macquart, 1851: 219). Junior synonym. Hemichrysomyia Séguy, 1926: 304. Type species: Hemichrysomyia pachymera Séguy, 1926: 304, by original designation. Junior synonym. Hemichrysomia incorrect spelling of Hemichrysomyia Séguy, 1926. Junior synonym. Achoetandrus Bezzi, 1927: 235. Type species: Musca albiceps Wiedemann, 1819: 38 [= Chrysomya albiceps (Wiedemann, 1819)], by original designation. Junior synonym. Eucompsomyia Malloch, 1927: 325. Type species: Eucompsomyia semimetallica Malloch, 1927: 325, by original designation. Junior synonym. Pycnosomops Townsend, 1934b: 277. Type species: Musca putoria Wiedemann, 1830: 403 [= Chrysomya putoria (Wiedemann, 1830)], by original designation. Junior synonym. Ceylonomyia Fan, 1965: 196. Type species: Chrysomya nigripes Aubertin, 1932: 26, by original designation. Achaetandrus, error for Achoetandrus Bezzi, 1927: 235. Junior synonym. Remarks: Originally a tropical genus, however, several species are expanding territory worldwide via commercial shipping and travel. In 1981, Gagne’ reported on the presence of the genus Chrysomya in the New World. More locations for this introduced genus were recorded by Baumgartner & Greenberg (1984, 1986, and 1993). Baja Records: two introduced species.

Published as part of Stotelmyre, Lyle Magee, 2024, Blow flies (Diptera: Calliphoridae) of the Baja California Peninsula, pp. 308-330 in Zootaxa 5468 (2) on page 314, DOI: 10.11646/zootaxa.5468.2.4, http://zenodo.org/record/11615867