Rio lacera, Wiedemann, 1830: 585

Murphy, William L., Abercrombie, Jay, González, Christian R. & Knutson, Lloyd, 2023, Overview of the Sciomyzidae (Diptera: Sciomyzoidea) of the Americas south of the United States, Zootaxa 5345 (1), pp. 1-113 : 37

lacera Wiedemann, 1830: 585 (Tetanocera) .

— Murphy et al. 2021: 147–168 [new combination, synonymy with Dictyodes platensis , nomenclature]

ST: 3♀ [ Brazil] Rio de Janeiro. ZMHB , Type No. 2586, two syntypes unnumbered

Note 1: USNM contains one female specimen labeled “ARGEN; Buenos Aires, Lujan. MT, 34°35’6” S, 59°4’45” W, 7.IV.2006, C. Coviella, ex Univ. Kentucky, Louisville, det. L.V. Knutson, 2008”

DIST: ARGENTINA (Buenos Aires; Ciudad Autónoma de Buenos Aires). BRAZIL ( Rio de Janeiro ). URUGUAY (Montevideo). Map: none

Note 2: Retellia lacera is known from only six locations: four in Argentina (three in Buenos Aires, one in Ciudad Autónoma de Buenos Aires), one in Brazil ( Rio de Janeiro ), and one in Uruguay (Montevideo). Adults of R. lacera and R. claropunctata were collected together in December in a marsh 28 km south of Buenos Aires in the province of Buenos Aires (JA, unpublished). Adults of R. lacera are known to be on the wing in April, June, and December. To our knowledge, R. lacera was last collected in nature in 2006.

FIGS: None

BIOL: Unknown

IMMATS: Unknown

platensis Steyskal, 1974: 429 (Dictyodes) [original designation].—Knutson et al. 1976: 64.7 [in catalog of the Sciomyzidae of the Americas south of the United States]. — Murphy et al. 2021: 147–168 [new combination, synonymy with Retellia lacera , nomenclature].

HT: ♂ Uruguay, Montevideo, J. Tremoleras. USNM, No. 72407 and USNMENT01541528

PT: ♂ Argentina, S.S. Prinzessin, Buenos Aires, New Dock, 19.VI.1920, Dr. W.C.C. Pakes. NHMUK

DIST: ARGENTINA (Buenos Aires; Ciudad Autónoma de Buenos Aires). BRAZIL (Rio de Janeiro). URUGUAY (Montevideo). Map: none

FIGS: None

BIOL: Unknown

IMMATS: Unknown