Ermilov S.G.1, Sidorchuk E.A.2, Rybalov L.B.3 2011. Oribatid mites of the genera Basilobelba and Heterobelba (Acari: Oribatida: Ameroidea) from Bale Mountains National Park (Ethiopia) // Acarina. Vol.19. No.1: 67–75 [in English].

1 Nizhniy Novgorod Referral Center of the Federal service for Veterinary and Phytosanitary Inspection, Nizhniy Novgorod 603107, Russia; e-mail:

2 Paleontological Institute, Russian Academy of Sciences, Moscow 117997, Russia.

3 Institute of Ecological and Evolutionary Problems, Russian Academy of Sciences, Moscow 117071, Russia.

ABSTRACT: We describe Basilobelba gigantea sp. n. and redescribe Heterobelba spumosa, collected in soil of Bale Mountains National Park (African region, Ethiopia). Basilobelba gigantea sp. n. is most similar in morphology prodorsal and epimeral setae, number of notogaster setae, morphology of arched scalp-attachment structures, weakly neotrichy on ventral plate to the Ghana­ian species Basilobelba africana, but differs from it by body size, length of interlamellar setae and number of neotrichous setae on the ventral plate. For the first time the data about morphology of gnathosoma, legs, and length of body setae are given for Heterobelba spumosa.

KEY WORDS: oribatid mites, new species, redescription, Basilobelba gigantea sp. n., Heterobelba spumosa, Bale Mountains National Park, Ethiopia.

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