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Scarabaeoidea of Southern South America Links
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Keys and generic profile |
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Scarab Guide Links
(goes to the University of Nebraska
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Aphodius (Labarrus) pseudolividus Balthasar, 1941 |
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Aphodius (Labarrus) pseudolividus Balthasar
Photo by Paul Skelley. |
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Aphodius (Labarrus) pseudolividus distributional records
from southern South America. |
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Aphodius pseudolividus distributional records from Isla de Pascua. |
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Original combination: Aphodius pseudolividus Balthasar, 1941: 148. |
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Type locality: “America meridionale, di diverse località, specialmente dei dintorni di Buenos Aires, Fran
Chaco, Paraguay.” |
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Specimens examined: 160 specimens were examined from ABTS, CMNC, CNCI, HAHC, JMEC,
LEMQ, MEUC, MNNC, TMSA, UMCE. |
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Distribution: ARGENTINA (8): Neuquén (4): Embalse Ezequiel Ramos Mexia, Neuquén, Piedra del
Aguila, Senillosa; Río Negro (4): Colonia Josefa, Dto. Gral Roca, Julian Romero. CHILE (152). IV Región de Coquimbo (12): Divisadero (Punitaqui), La Herradura, Talanquén; V Región
de Valparaíso (77): Bosque Mataveri (Isla de Pascua), Cuesta El Melón, Hanga Roa (Isla de Pascua), Portillo;
Región Metropolitana (27): Bellavista (Florida), Cerro Manquehue, Chacabuco (Colina), La Florida, Lago
Rapel, Paliocabe, Río Clarillo, Santiago (Lagunillas), Talagante; VI Región de O’Higgins (7): Colchagua
(Lolol), Coltauco, Machalí, Nancagua; VII Región del Maule (8): Altos de Vilches, Cauquenes (15 km E),
Cordillera Parral (Fundo Malcho), Curicó, Río Teno, Talca (Tonlemo); VIII Región del Bío-Bío (14): Concepción, Cordillera Chillán (Recinto), Florida, Puente Marchant, Río Renaico; IX Región de la Araucanía (3):
Angol, Cherquenco, Ercilla; X Región de Los Lagos (4): Maullín junction (5 km N), Santo Domingo.
Dellacasa et al. (2002) recorded a few more localities from within the provinces and regions listed
above.
Outside the study area, this species has been recorded from Australia; New Zealand; Oceania; central and
southern Africa; the Nearctic; Mexico; Central America; the West Indies; Venezuela; Brazil; Ecuador; Peru;
Bolivia; Paraguay; Uruguay; Argentina: Catamarca, Tucumán, Misiones, Salta, Santiago del Estero, Córdoba,
Entre Ríos, La Rioja, La Pampa, Buenos Aires, Mendoza; and Chile: I Región de Tarapacá, III Región de Atacama
(Dellacasa et al. 2002). |
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Temporal data: January (10), February (14), March (26), April (1), May (1), June (1), July (1), August
(1), September (1), October (8), November (78), December (6). |
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Diagnosis: Length 4–6 mm. See subgenus diagnosis. |
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Remarks: Aphodius pseudolividus is part of a worldwide complex of species often lumped under Aphodius
lividus (Olivier). While species of the A. lividus-complex show a number of distinguishing features, they
can be subtle. Dellacasa et al. (2002) presented a key to the three species of the A. lividus-complex occurring
in the New World. At present all specimens studied from southern South America are A. pseudolividus, a
widespread species in the New World.
Aphodius pseudolividus can be the most commonly collected species in an area, adults being found in a
wide variety of dung. They are frequently attracted to lights, accounting for their large numbers in collections.
Based on our observations of label data, this species has occurred in Chile since at least 1949. Gutiérrez
(1950) first reported Aphodius pseudolividus from Isla de Pascua (as Aphodius lividus). |
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References:
Dellacasa, M., Gordon, R.D. & Dellacasa, G. (2002) Aphodiinae described or recorded by Bates in Biologia Centrali-Americana
(Coleoptera Scarabaeoidea: Aphodiidae). Acta Zoologica Mexicana, 86, 155–223.
Gutiérrez (1950)
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Excerpt from:
Smith, A. B. T. and P. E. Skelley. 2007. A review of the Aphodiinae (Coleoptera: Scarabaeidae) of southern South America. Zootaxa 1458: 1-80. |
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