Cynthidia planodiscus (Perty, 1830)
Female adult
Paraguay, Dep. Paraguari, La Colmena, S25*56' W56*48', 26-27.III.2013, leg. U. Drechels. det. A. Anichtchenko, 2017 12 mm
Copyright © Alexander Anichtchenko

Trirammatus (Meraulax) loxandroides (Straneo, 1951)
Male+Female adult

Copyright © Armando Cicchino

Trirammatus (Trirammatus) unistriatus (Dejean, 1828)
Male adult
ARGENTINA, Rio Negro, El Bolsòn - det. J. E. Barriga
Copyright © Vittorino Monzini

Trirammatus (Meraulax) alatus (Brulle, 1838)
Male+Female adult
Bajo Delta, Partido de Campana, Buenos Aires. det. A. Cicchino
Copyright © Armando Cicchino

Abropus carnifex (Fabricius, 1775)
Male adult

Copyright © Kipling W. Will

Antarctiola laevigata (Putzeys, 1875)
Male adult

Copyright © Kipling W. Will

Antarctiola laevigata (Putzeys, 1875)
Male+Female adult

Copyright © Armando Cicchino

Antarctiola motschulskyi (Csiki, 1931)
Male adult
Tres Cerros, Santa Cruz Province, I-1974
Copyright © Armando Cicchino

Antarctiola laevis Straneo, 1951
Male+Female adult
Lapataia, Tierra del Fuego Province, I-1974
Copyright © Armando Cicchino

Metius aeneus (Dejean, 1831)
Male+Female adult
Carhué, Buenos Aires Province, I-2005, ACC Coll.
Copyright © Armando Cicchino

Metius blandus (Dejean, 1828)
Male+Female adult
Cancha Carreras, Santa Cruz Province, I-1977
Copyright © Armando Cicchino

Metius bonariensis (Putzeys, 1875)
Male+Female adult
Villa Gesell, Buenos Aires Province, Argentina I-2017 S. Lupo
Copyright © Armando Cicchino

Metius carnifex (Dejean, 1828)
Male+Female adult
Mar del Plata, General Pueyrredon Disteict, Buenos Aires Province, XII-2015 ACC Coll
Copyright © Armando Cicchino

Metius caudatus (Putzeys, 1875)
Male+Female adult
Nahuel Rucá, XI-2008. det. A. Cicchino
Copyright © Armando Cicchino

Metius circumfusus (Germar, 1824)
Male+Female adult
Mar del Plata, General Pueyrredon District, Buenos Aires Province, XII-2015, A. Cicchino Coll & det.
Copyright © Armando Cicchino

Metius circumfusus (Germar, 1824)
Male adult
Mar del Plata, General Pueyrredon District, Buenos Aires Province, XII-2015, ACC Coll
Copyright © Armando Cicchino

Metius cordatus (Putzeys, 1875)
Male+Female adult
Tigre District, Buenos Aires Province, XII-1977. det. A. Cicchino
Copyright © Armando Cicchino

Metius gilvipes (Dejean, 1828)
Male+Female adult
Mar del Plata, General Pueyrredon District, Buenos Aires Province XII-2014, ACC Coll. & det.
Copyright © Armando Cicchino

Metius malachiticus (Dejean, 1828)
Male+Female adult
Mar del Plata, General Pueyrredon District, Buenos Aires Province XII-2014, ACC Coll. & det.
Copyright © Armando Cicchino

Metius marginatus (Dejean, 1828)
Male+Female adult
La Plata, Buenos Aires Province, XII-2005 ACC Coll & det.
Copyright © Armando Cicchino

Metius bonariensis (Putzeys, 1875)
Female adult

Copyright © Armando Cicchino

Metius aeneus (Dejean, 1831)
Male adult

Copyright © Armando Cicchino

Metius pogonoides (Fairmaire, 1883)
Male+Female adult
Punta Matia, Tierra del Fuego Province, I-1977. det. A. Cicchino
Copyright © Armando Cicchino

Metius obscurus (Putzeys, 1875)
Female adult
Tafi del Valle, Tucuman Province, Argentina I-2005, Grandinetti. Cicchino Coll. & det.
Copyright © Armando Cicchino

Feroniola bradytoides (Fairmaire, 1889)
Male+Female adult
Peninsula Brunswick, Magallanes, Chile, I-1988. det. A. Cicchino
Copyright © Armando Cicchino

Feroniola laticollis montevideana Straneo, 1952
Male+Female adult
Mar Chiquita, Mar Chiquita District, Buenos Aires Province, IV-2014. det. A. Cicchino
Copyright © Armando Cicchino

Feroniola minor Straneo, 1967
Male+Female adult
El Infiernillo, Tucuman Province, XII-2004 A. Cicchino Coll. & det.
Copyright © Armando Cicchino

Feroniola subsinuata Straneo, 1967
Male+Female adult
Parque Nacional Los Alerces, Chubut Province, XI-1988. det. A. Cicchino
Copyright © Armando Cicchino

Metius crassiusculus Putzeys, 1873
Male+Female adult
Puerto San Julian, Santa Cruz Province, I-1972, A. Cicchino leg. & det.
Copyright © Armando Cicchino

Metius rotundatus Straneo, 1951
Male+Female adult
Villa Cura Brochero, Cordoba Province, XII-1998. det. A. Cicchino
Copyright © Armando Cicchino

Abropus carnifex (Fabricius, 1775)
Male adult
Chile, Llanquihue, Saltos de Petrohue, 12.I.1995, leg. G. Aceituno
Copyright © Alexander Anichtchenko

Feroniola cf. famelica Tschitscherine, 1900
Male adult
San Eduardo del Mar, General Pueyrredon District, Buenos Aires Province, III-2016, S. Lupo coll.; det. A. Cicchino
Copyright © Armando Cicchino

Selknam crassiusculus (Putzeys, 1873)
Male adult
Scale 5 mm. Image from Roig-Juñent, 2024
Copyright © - - -

Pachymorphus nicki (Emden, 1958)
Male adult

Copyright © Kipling W. Will

Parhypates rufipalpis (Curtis, 1838)
Male+Female adult
Argentina
Copyright © Armando Cicchino

Parhypates cordicollis (Dejean, 1828)
Male+Female adult
Nahuel Ruca, Buenos Aires prov.
Copyright © Armando Cicchino

Pachymorphus violaceus (Straneo, 1987) Holotype
Male adult
Argentina, Tucumán, Dpto. Tafí, Cumbre de Anfama, X/1934. Image from S. G. Aranda et al.: Catálogo de los Tipos Primarios de Coleoptera de la Colección IFML
Copyright © - - -

Pachymorphus aereus (Dejean, 1828)
Male adult
Chile, Region X, Osorno prov., 3.6 km SE Pucatrihue, 24.10.93, R.D. Ward (cAA). 15 mm; det Davidson
Copyright © Alexander Anichtchenko