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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
web site) |
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Classification |
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Odontopsammodius cruentus (Harold, 1868) |
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Odontopsammodius cruentus (Harold)
Photo by Paul Skelley. |
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Odontopsammodius cruentus distributional records
from southern South America. |
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Original combination: Psammodius cruentus Harold, 1868a: 282.
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Type locality: “chilensischen.” |
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Synonym: Psammobius shermani Cartwright, 1946: 89; type locality: “Sullivans Island, South Carolina.” |
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Specimens examined: 5 specimens were examined from ABTS, HAHC, TMSA. |
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Distribution: ARGENTINA (4). Río Negro (3): San Antonio Oeste (Las Grutas); Chubut (1): San José
(Peninsula Valdes).
CHILE (1). V Región de Valparaíso (1): Quillota.
This species was also recorded from “Chile: Santiago” by Gutiérrez (1947).
Outside the study area, this species has been recorded from the Nearctic; Bolivia; Paraguay; Argentina
(Buenos Aires, Córdoba, La Rioja, Mendoza, Misiones, Salta, San Juan, San Luis, Santiago del Estero,
Tucumán) (Bruch 1911, Cartwright 1955). We also examined specimens in the HAHC from Argentina: Formosa,
Jujuy. |
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Temporal data: January (3), November (1), December (1).
Diagnosis: Length 3–5 mm. Body robust, nearly globose, reddish-brown. Pronotum with
coarse punctures deep and restricted to postero-lateral area of the disc where they form a weak groove. |
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Remarks: Adults are commonly collected at lights in southern South America but are rarely attracted to
lights in North America. The habits of this species are unknown. Although there are three Chilean records of O. cruentus (including the type locality, a record from Santiago [Gutiérrez 1947] and the record above from
Quillota), it is doubtful that this species has truly been established in this country. The erroneous type locality
originated from the same paper (Harold 1868) and same batch of specimens (from the Kraatz collection) as
the erroneous record of Aidophus flaveolus in Chile (see an account of this species in the Erroneous Records
section). Cartwright (1955) considered this a dubious record and we agree. The other two records originated
from specimens from the Gutiérrez Collection and might have been mislabeled (a fairly common problem
with this collection). |
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References:
Cartwright, O.L. (1955) Scarab beetles of the genus Psammodius in the Western Hemisphere. Proceedings of the United States
National Museum, 104(3344), 413–462.
Gutiérrez, R. (1947) Escarabajos comunes a Chile y la Argentina (Col. Scarabaeidae). Revista de la Sociedad Entomológica Argentina,
13, 309–314.
Harold, E. (1868) Die chilenischen Aphodiden. Berliner Entomologische Zeitschrift, 11, 278–282. [Dated 1867]. |
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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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