Vol. 84 No. 2 (2012)

View Vol. 84 No. 2 (2012)

Proceedings of the 8th Colloquium on Acarology

Published: 2012-08-01

PREFACE

8th Colloquium on Acarology

Michael Heethoff, Michael Laumann

i–iv
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ARTICLES

Fine structure of the primary eyes in Heterochthonius gibbus (Oribatida, Heterochthoniidae) with some general remarks on photosensitive structures in oribatid and other actinotrichid mites.

Gerd Alberti, Isabel Moreno-Twose

391–408
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Investigating chemical communication in oribatid and astigmatid mites in bioassays - Pitfalls and suggestions

Michael Heethoff , Günther Raspotnig

409–421
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Mating and spermatophore morphology of the freshwater mite Brachypoda versicolor (Müller, 1776) (Acari: Hydrachnidia, Aturidae)

Ronald Olomski

423–430
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A morphological comparison of two closely related ptychoid oribatid mite species: Phthiracarus longulus and P. globosus (Acari: Oribatida: Phthiracaroidea)

Sebastian Schmelzle, Roy A. Norton, Michael Heethoff

431–443
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The median eye of freshwater mites (Acari: Parasitengonae, Hydrachnidia) and its fate in the stem lineage of the Euhydrachnidia, Witte & Olomski 1991

Ronald Olomski

445–458
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Development of the internal reproductive organs in early nymphal stages of Archegozetes longisetosus Aoki (Acari, Oribatida, Trhypochthoniidae) as obtained by synchrotron X-ray microtomography (SR-μCT) and transmission electron microscopy (TEM)

Paavo Bergmann, Michael Heethoff

459–470
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Thanatosis and morphological adaptations in the mite genera Lamnacarus and Pygmodispus (Acari, Heterostigmatina, Scutacaridae)

Julia Jagersbacher-Baumann, Ernst Ebermann

471–479
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Tick infestation (Ixodes) on the Eurasian Otter (Lutra lutra) – a longterm study

Axel Christian

481–487
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