Gyropus parvus Ewing 1924

Gyropus parvus (Ewing, 1924)

Monogyropus parvus Ewing 1924: 10 (key to Monogyropus species), 11 (description), fig. 5 (male genitalia, dorsal view). Type locality: Argentina, Rio Negro, Hunuluan. Type host: Ctenomys colburni Allen. Typology: Holotype male desposited at USNM.

Gyropus parvus, Werneck 1936a: 454 (redescription, host and geographical records), fig. 85 (male habitus, dorso-ventral view), fig. 86 (male genitalia, dorsal view). Werneck 1948: 70 (female description), fig. 68 (female habitus, dorso-ventral view), fig. 69 (female terminalia, ventral view). Hopkins and Clay 1952: 161 (checklist). Cicchino 1978: 154 (new host records). Emerson and Price 1981: 42 (host-parasite checklist). Cicchino et al. 2000: 201, 205, 209 (new host and geographical records). Castro and Cicchino 2002: 294 (morphometrics and chaetotaxy data). Price et al. 2003: 77 (checklist). Gonzales-Acuña et al. 2005: 57 (prevalence and new geographical records).

Gyropus parvus parvus, Castro et al. 1987: 41 (new host and geographical records, and morphometric data). Cicchino and Castro 1994: 4 (redescription of male genitalia, egg and embryo description, host and geographical records, wrong citation of type host, and synoxenism with Phtheiropoios and Eulinognathus species), fig. 1 (male genitalia, dorsal view), fig. 2 (pseudopenis, ventral view), fig. 3 (endomeres (= paramera) and mesomeral (= ventral) plate), fig. 14 (upper portion of the amphora on the egg, lateral view), fig. 15 (hatching organ of the embryo, frontal view), fig. 16 (hatching organ of the embryo, lateral view), fig. 17 (hatching organ of the embryo, frontal view), fig. 18 (hatching organ of the embryo, frontal view), fig. 19 (egg in scanning electronic microscopy, lateral view), fig. 20 (upper portion of the amphora and lower part of the operculum, lateral view), fig. 21 (opercular tips and rugose surface of the operculum), fig. 22 (operculum and upper portion of the amphora, polar view), fig. 23 (lower portion of the operculum, polar view), fig. 24 (lower portion of the operculum, detail), fig. 31 (sites of oviposition on body of Ctenomys haigi), fig. 32 (sites of oviposition on body of Ctenomys porteousi), fig. 33 (sites of oviposition on body of Ctenomys australis), fig. 34 (sites of oviposition on body of Ctenomys talarum talarum), fig. 35 (map of host and geographical distribution in Argentina). Cicchino and Castro 1998a: 200 (egg morphology comparison with Phtheiropoios), fig. 1 (general aspect of egg), fig. 2 (distal part of amphora and adjacent part of the egg operculum, lateral view), fig. 3 (egg operculum, polar view), fig. 4 (operculum surface, detail). Cicchino and Castro 1998b: 99 (synopsis of Argentine species, geographic distribution), 103 (host parasite list of Argentine species). Contreras et al. 1999: 15 (host and geographical records in Argentina), fig. 1 (map of the geographical distribution in Argentina).

Distribution. ARGENTINA (Buenos Aires, Chubut, Jujuy, La Pampa, Mendoza, Ro Negro, Santa Cruz, San Luis); CHILE (Magalhães, Talca).

Hosts. Ctenomys colburni, C. australis Rusconi, C. azarae Thomas, C. chasiquensis Contreras, Manceñido & Ripas Alsina, C. haigi Thomas, C. magellanicus Bennett, C. maulinus Philippi, C. mendocinus Philippi, C. opimus Wagner, C. porteousi Thomas, C. sericeus Allen, C. talarum Thomas (Ctenomyidae).