Oribatula (O.) beccus Djaparidze, 1990,

Murvanidze, Maka & Mumladze, Levan, 2016, Annotated checklist of Georgian oribatid mites, Zootaxa 4089 (1), pp. 1-81: 64

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Oribatula (O.) beccus Djaparidze, 1990


Oribatula (O.) beccus Djaparidze, 1990 

Distribution in Georgia. different landscape zones (see remark)

Global distribution. Caucasus

Ecology. Different soil types

Remark. O. beccus  from Georgia was descibed by Djaparidze (1990 a) without indication of exact finding sites. Djaparidze describes the species as numerous in different landscape zones: dry lowland subtropics, montane forests with moderate humid climate, high montane forests and alpine meadows. The presence of the holotype in the collections of the Institute of Zoology is also indicated, however, we could find neither holotype, nor paratypes.

In the Catalogue this species is placed as a synonym of Oribatula (O.) tibialis alifera Subías, 2000  . O. (O.) tibialis alifera  was created by Subías (2000) as nomina nuova with for the earlier described species O. tibialis  alata Iordansky, 1991  as a synonym to O. (O.) tibialis alifera  . Within this publication, no arguments are provided for such synonymy. It is only mentioned that the species described by Iordansky (1991) was found on Iberian Peninsula too (Subías 2000). O. (O.) beccus  and O. (O.) tibialis  alata  are similar in having sparsely barbed lamellar setae and clearly protruding pteromorphae, however, there as a notable difference in body size between them: 580– 600 µm for O. (O.) beccus  and 408 µm for O. (O.) tibialis  alata  . Considering this difference as important, we regard O. (O.) beccus  as a valid species and reject its synonymy with Oribatula (O.) tibialis alifera  .