Researches on the Coast of Somalia. The Shore and the Dune of Sar Uanle

Five halacarid species are reported from the Brazilian coast for the first time. Scaptognathides delicatulus, formerly known only from its type locality in Kuwait; Scaptognathus gibbosus, known from Galapagos and Somalia; and Scaptognathus insularis known from northeastern Australia, have their distributions extended. Along with these new records, Halacaroides antoniazziae sp. nov. and Acarochelopodia caissara sp. nov. are described. Halacaroides antoniazziae sp. nov. differs from its congeners by the presence of three subgenital setae in males and none in females, 41–44 perigenital setae and two posterior external genital acetabula in males. Acarochelopodia caissara sp. nov. has a rounded anterior epimeral plate margin, the posterior epimeral plates are partially divided into two halves but anteriorly joined by a narrow band, the dorsal setae on tarsus I are grouped 1:2, and the anterior and posterior dorsal plates have a length: width ratio of 1.61–1.77 and 1.60–1.70, respectively.

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Acarochelopodia and Actacarus Species (Acari : Halacaridae) from Australia, with Remarks on A. pacificus and A. orthotectus

Otto

2000

Spec.Div.

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Acarochel(rpodia bi"nguis Bartsch, 1988 and four new species of Actacarus (A, chelonis, A, cornutus, A, nanus, A. spinosus) are recorded firom beaehes and subtidal sediments of northeastern Australia; A. spinosus and A. chelonis are alse recorded fkrem Freneh Polynesia, and the latter species from Indonesia. Specimens from Western Australia, previously referred to as Actacartts pacipcus Bartsch, 1979, are described as Actacarus marindicus sp. nov., A, orthotectus Newell, 1984 is removed from synonymy with A. pacijicus, and Japanese records of A. pacijicus are commented on. A key to the Australian species ofActacarus is presented.

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Researches on the Coast of Somalia. The Shore and the Dune of Sar Uanle

Cited by 4 publications

References 2 publications

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Psammophilous halacarid mites (Trombidiformes, Halacaridae) from the North Coast of São Paulo State, Brazil

Acarochelopodia and Actacarus Species (Acari : Halacaridae) from Australia, with Remarks on A. pacificus and A. orthotectus

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