Abstract
The genus Kalloia (Oribatida, Carabodidae) is recorded in the Oriental region for the first time. A new species — Kalloia gerdweigmanni n. sp. — is described from litter of oil palm plantations and jungle rubber agroforests from Sumatra, Indonesia. It differs from Kalloia simpliseta Mahunka, 1985 by the presence of a transverse ridge in the mediodistal part of the lamellae, translamella and two thick, diagonal, convergent ridges forming a triangular structure in the medioanterior part of the notogaster, and by the localization of notogastral setae da, dm, la, lm, lp and h1. The generic status of Kalloia is discussed and supported. Kalloia mahunkai Pérez-Íñigo and Baggio, 1989 and Machadocepheus foveolatus Mahunka, 1978, which were considered representatives of Kalloia, are removed from this genus and combined preliminarily in Gibbicepheus. Revised generic diagnosis and data on ecology and distribution of known species of Kalloia are presented.
Highlights
The oribatid mite genus Kalloia of the family Carabodidae (Acari, Oribatida) was proposed by Mahunka (1985) with Kalloia simpliseta Mahunka, 1985 as type species from the Caribbean
In the course of the study of carabodid mites from Indonesia, we found a new species of Kalloia
This paper aims to describe and illustrate this new species under the name K. gerdweigmanni n. sp., to update the generic diagnosis, to discuss the taxonomic status of Kalloia and the systematic placement of K. mahunkai and M. foveolatus, and to present data on the ecology and distribution of Kalloia species
Summary
The oribatid mite genus Kalloia of the family Carabodidae (Acari, Oribatida) was proposed by Mahunka (1985) with Kalloia simpliseta Mahunka, 1985 as type species from the Caribbean. He listed the following generic traits: “Prodorsum normal, lamellae simple, running marginally. One pair of aggenital, two pairs of anal and three pairs of adanal setae, ad in preanal, ad and ad in postanal position” (Mahunka 1985). According to Subías’s catalogue (2019), the genus is included as subgenus in the genus Gibbicepheus Balogh, 1958, and comprises three species (K. simpliseta, Kalloia mahunkai Pérez-Íñigo and Baggio, 1989 and Machadocepheus foveolatus Mahunka, 1978)
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