ACAROLOGIA
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Description of the female of Diplothyrus schubarti Lehtinen, 1999 (Holothyrida: Neothyridae) and new species occurrences in Brazil

Bernardi, L.F.d.O.; Azara, L.N.d. and Ferreira, R.L.

2011 - Volume: 51 Issue: 3 pages: 311-319

DOI: 10.1051/acarologia/20102016
Date received: 2011-04-16, Date accepted: 2011-06-26, Date published: 2011-09-23
(CC BY-NC-ND 2.0) © 2011 Bernardi, L.F.d.O.; Azara, L.N.d. and Ferreira, R.L.

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Keywords
Acari; Parasitiformes; Holothyrida; Neotropics; cave mites
Abstract
The order Holothyrida includes one of the rarest groups of mites. For the moment, 28 species are known, but only one occurs in Brazil. This work aimed to describe the female of Diplothyrus schubarti, along with presenting the first occurrence of organisms of this order in caves. A total of 54 specimens were collected, in 17 caves in three municipal districts in the state of Pará, northern Brazil. The differences that stand out in the female of D. schubarti, in relation to the other species of the genus, are the absence of the membranous process in the palpus and the absence of the distinct cuticular strip running postero-ventral towards the edge of the dorsal shield.

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Photos: Varroa destructor (Varroidae) on a honey bee. Low temperature -Scanning electron microscopy photograph. Material collected and fixed for LT-SEM: J. Pettis, USDA-ARS-Bee Lab. and R. Ochoa, USDA-ARS-SEL; LT-SEM photo: E. Erbe and C. Pooley, USDA-ARS-CEMU © USDA; Petrobia harti (Tetranychidae) © INRA - Alain Migeon; Dermanyssus gallinae (Dermanysssidae) © Ecole Nationale Vétérinaire de Lyon - Lise Roy; Adult Ixodes sp. (Ixodidae) engorging on an Atlantic puffin Fratercula arctica © Andy Darrington; Panonychus ulmi (Tetranychidae): hatching of a winter egg © Université de Lausanne - Centre de microscopie électronique - Cazelles

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