Abstract
Three new oribatid mite species - Ampullobates ecuadoriensis n. sp., Plenotocepheus neotropicus n. sp. and Monoschelobates hemileiformis n. sp. - are described from Ecuador. The three genera are also new for Ecuador. Ampullobates ecuadoriensis n. sp. is morphologically similar to Ampullobates nigriclavatus Grandjean, but differs from the latter by the morphology of the lamellar, exuvial and some epimeral setae, sensilli, the size of the interlamellar and exobothridial setae and the position of the genital setae. Plenotocepheus neotropicus n. sp. is morphologically similar to Plenotocepheus mollicoma Hammer, but differs by the length of interlamellar setae, morphology of sensilli, localization of lyrifissures iad and adanal setae ad3 and structure of leg setae u. Finally, Monoschelobates hemileiformis n. sp. is morphologically similar to Monoschelobates parvus Balogh and Mahunka, but shows differences in body size, length of the interlamellar, notogastral and anogenital setae and the presence of aggenital setae.
Highlights
This paper is a part of our ongoing studies on the Ecuadorian oribatid mite fauna (Ermilov and Kalúz 2012a-e)
Plenotocepheus is a genus proposed by Hammer (1966) with Plenotocepheus mollicoma Hammer, 1966 as type species. It currently comprises ten species, distributed in the subtropics; this genus is recorded for the first time from Ecuador
The main generic characters of Plenotocepheus are presented by Hammer (1966), and summarized by Balogh and Balogh (1992) and Grobler (1995a)
Summary
This paper is a part of our ongoing studies on the Ecuadorian oribatid mite fauna (Ermilov and Kalúz 2012a-e) It reports the description of three new species, one belonging to the genus Ampullobates Grandjean, 1962 (Hermanniellidae), one to the genus Plenotocepheus Hammer, 1966 (Tetracondylidae) and another to the genus Monoschelobates Balogh and Mahunka, 1969 (Scheloribatidae). The main generic characters of Plenotocepheus are presented by Hammer (1966), and summarized by Balogh and Balogh (1992) and Grobler (1995a). Known species of this genus were included in several keys (Grobler 1995a, b; Balogh and Balogh 2002). The purpose of this paper is to describe and illustrate three new species, Ampullobates ecuadoriensis n. sp., Plenotocepheus neotropicus n. sp. and Monoschelobates hemileiformis n. sp
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