Calosoma (Castrida) argentinense Csiki, 1927

Calosoma antiquum Dejean, 1831: 561 (type: Cordoba dans le Tucuman; Muséum National d'Histoire Naturelle, Paris) (preoccupied by Buprestis antiquus Fourcroy, 1785 = inquisitor Linné, 1758 )
Calosoma (Callistriga) antiquum Breuning, 1927: 204
Calosoma (Castrida) argentinense Csiki, 1927: 11 (nomen novum pro antiquum Dejean, 1831)
Calosoma (Callistriga) argentinense Breuning, 1928: 96
Calosoma (Castrida) argentinense belsaki Dallas, 1939: 782
Calosoma (Castrida) argentinense cuprifulgens Dallas, 1939: 784
Calosoma (Castrida) argentinense miniaturum Dallas, 1939: 784
Calosoma (Castrida) argentinense ballasi Dallas, 1939: 787
Calosoma (Castrida) argentinense pampeanum Belsak, 1939: 788
Castrida (s. str.) antiquum Jeannel, 1940: 96
Calosoma (Castrida) argentinense Gidaspow, 1963: 305
Calosoma (Castrida) argentinensis Erwin, 1991: 87

Length 17-27 mm. argentinense has rounded metatrochanter in both sexes and head and pronotum are wrinkled and deeply punctuated. The intervals of its elytra are conspicuously scaly. The upper body is reddish bronze metallic.
It is found in the northern and in the central Argentina, and in Paraguay, and has been reported from the adjacent regions of Brazil and of Bolivia (Jeannel, 1940).
Note that, contrary to the opinion of Jeannel (1940) about the validity of the priority and the nonexistence of synonyms (p. 97 footnote 1), the name argentinense Csiki 1927 has correctly replaced antiquum Dejean 1831, because of the secondary homonymy (International Code of Zoological Nomenclature, art. 57.3) with antiquus Fourcroy 1785, that was described as Buprestis and later placed in Calosoma as a junior synonim of inquisitor Linné, 1758).

Examined specimens and literature’s data
Argentina. Mendoza: Desaguadero (SB); Santa Fe: San Javier (SB), Santo Tome, Villa Gdor Galvez (; Tucuman: Aguadita (SB); Entre Rios: Pronunciamiento (SB), Chajari (; Santiago del Estero: La Banda (SB); Rio Negro: Villa Regina (SB); La Rioja: Chepes (SB); Cuyo: San Juan (SB); Córdoba: Cordoba (Breuning, 1927: 204), Capilla del Monte, Villa Dolores, Nono, (; Buenos Aires: Estacion Albariño, Belén de Escobar, Bonnement (; Santa Fè: Rosario (Montero & Lietti, 1998: 23), Santo Tome, Villa Gdor Galvez (; Rio Negro: Nahuel Huapi lake (Breuning, 1928b: 96); La Pampa: Santa Rosa (Gidaspow, 1963: 305); Salta: Rosario de Lerma, Sapo Quemado (
Bolivia. Roboré (VV); La Paz (Breuning, 1928 b: 96).
Brazil: Rio de Janeiro: montagne des Orgues (Jeannel, 1940: 96).
Paraguay. Presidente Hayes: Laguna Capitan (SB); Boquerón: Nueva Asuncion (; Loma Plata (SB), Filadelfia (SB, VV); Gran Chaco: Mariscal Esfigarribia (SB, VV).
Uruguay: 90 km SW of Artigas, Pampa de Lavalleja (

Notes: Winged, nocturnal, attracted to light at night. Lives mostly in dry regions: xerophite forests, desert scrub or barren soil, but also pastures and plantations. Adults are predaceous on insects larvae and particularly have been noted feeding on caterpillar of Colias lesbia. On the basis of the material examined, individuals are active during the raining season, from October to April. At the end of May they decrease their activity and begin to burrow tunnels into the soil and construct hibernation chambers from where they emerge during the second half of September (Montero & Lietti, 1998)

Calosoma (Castrida) argentinense
Csiki, 1927
(holotype of Calosoma antiquum Dejean, 1831)
(coll. Muséum National d'Histoire Naturelle, Paris)
Calosoma (Castrida) argentinense
Csiki, 1927
Paraguay, Dep. Presidente Hayes,
Laguna Capitan, Jan. 1997
Calosoma (Castrida) argentinense
Csiki, 1927
Paraguay, Gran Chaco, 30km. NW Mariscal
Esfigarribia 184m., 28.1.2008, Kadeklova lg.