Abstract
During a three-year survey of oribatid mites in soil and leaf litter of Andean North patagonian forests, specimens belonging to the genus Oxyoppia were collected. Even though the specimens could be recognized by the use of previous descriptions and existing keys as being close to Oxyoppia (Oxyoppiella) suramericana, morphological analyses suggest enough differences to propose a new species Oxyoppia mustaciata n. sp. A new identification key to species of Oxyoppiinae from Argentina is provided.
Highlights
The genus Oxyoppia has been subdivided in four subgenera Oxyoppia (Oxyoppia) Balogh and Mahunka 1969, Oxyoppia (Aciculoppia) Subías and Rodríguez, 1986, Oxyoppia (Dzarogneta) Kulijev, 1978 and Oxyoppia (Oxyoppiella) Subías and Rodríguez, 1986, based on the shape, the length and the setulae of sensilli (Subías and Rodríguez 1986)
Until present work only eleven species were grouped in Oxyoppia (Oxyoppiella), all of these range from 180 to 290 {μm}
The present work deals with the description of Oxyoppia (Oxyoppiella) mustaciata n.sp, and an updated key to the Oxyoppiinae found in Argentina is provided
Summary
The cosmopolitan subfamily Oxyoppiinae Subías, 1989 includes 80 species, four of them have been previously cited for Argentina (Subías 2004, Subías 2013): Oxyoppia (Oxyoppiella) scalifera (Hammer, 1958), Oxyoppia (Oxyoppiella) suramericana (Hammer, 1958), Sacculoppia singularis Balogh and Mahunka, 1968 and Subiasella (Lalmoppia) arcuata (Hammer, 1958). The present work deals with the description of Oxyoppia (Oxyoppiella) mustaciata n.sp, and an updated key to the Oxyoppiinae found in Argentina is provided
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