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DESCRIPTION OF SACCULOZETES FILOSUS GEN.NOV., SP.NOV. AND GUATEMALOZETES DANOS SP.NOV. (ACARI: ORIBATIDA) FROM GRASSLAND HABITATS

Published online by Cambridge University Press:  31 May 2012

Valerie M. Behan-Pelletier  and
Nickolai A. Ryabinin
Valerie M. Behan-Pelletier
Affiliation:
Biosystematics Research Centre, Agriculture Canada, Research Branch, Central Experimental Farm, Ottawa, Ontario, Canada K1A 0C6
Nickolai A. Ryabinin
Affiliation:
Institute of Water and Ecological Problems, Far East Branch, USSR Academy of Sciences, Khabarovsk 680063, USSR
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Abstract

A new genus and species, Sacculozetes filosus, is described from riparian grassland in the Soviet Far East, and a new species, Guatemalozetes danos, is described from shortgrass and alpine prairie in western North America, both on the basis of adults. The genus Guatemalozetes Mahunka is redefined; this is the first record of this genus from temperate North America. A close relationship is indicated between Sacculozetes and Lamellobates Hammer, Paralamellobates Bhaduri and Raychaudhuri, and Hypozetes Balogh. The uncertain family placement of Sacculozetes and Guatemalozetes within the Ceratozetoidea is discussed. Adults of both genera exhibit character states of the Mycobatidae, but until immatures are discovered, they are considered unplaced genera in the superfamily.

Résumé

Les auteurs décrivent un nouveau genre et une nouvelle espèce, Sacculozetes filosus, à partir de spécimens adultes récoltés dans une prairie riveraine de l’Extrème-Orient soviétique, ainsi qu’une nouvelle espèce, Guatemalozetes danos, trouvée dans des prairies et des prés alpins de l’ouest de l’Amérique du nord. Le genre Guatemalozetes Mahunka est redéfini; ce genre est signalé pour la première fois en Amérique du nord tempéré. Des liens étroits semblent exister entre Sacculozetes et Lamellobates Hammer, Paralamellobates Bhaduri et Raychaudhuri, et Hypozetes Balogh. On traite du statut familial incertain de Sacculozetes et de Guatemalozetes à l’intérieur des Ceratozetoidea. Certains états de caractère des adultes de ces deux genres rapellent ceux des Mycobatidae mais seule la découverte des stades immatures permettra de déterminer leur position dans la superfamille.

Type
Articles
Information
The Canadian Entomologist , Volume 123 , Issue 5 , October 1991 , pp. 1135 - 1147
Copyright
Copyright © Entomological Society of Canada 1991

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