Juvenile stages of the arboricolous mite Cymbaeremaeus cymba (Nicolet, 1855) (Acari: Oribatida: Cymbaeremaeidae)

The ontogenetic stages of the oribatid mite Cymbaeremaeus cymba (Nicolet, 1855) were investigated morphologically from egg to tritonymph. The egg shell consists of a thick and massive exochorion, which shows large bumps and scattered pores leading into hollow spaces beneath the elevations. Species s...

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Bibliographic Details
Published in:International journal of acarology 2011-06, Vol.37 (3), p.175-189
Main Authors: Pfingstl, Tobias, Krisper, Günther
Format: Article
Language:English
Subjects:
Acari
Ametroproctus
egg shell
eggs
exochorion
granules
immatures
juveniles
mites
Morphology
ontogeny
Oribatida
Scapheremaeus
taxonomy
tibia
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Summary:The ontogenetic stages of the oribatid mite Cymbaeremaeus cymba (Nicolet, 1855) were investigated morphologically from egg to tritonymph. The egg shell consists of a thick and massive exochorion, which shows large bumps and scattered pores leading into hollow spaces beneath the elevations. Species specific characters for the immatures include the characteristic plication, extremely long solenidia φ₁ on tibia I and spherical granules enveloping all setae. The comparison with juveniles of other genera of the family Cymbaeremaeidae suggests the closest relationship is with Ametroproctus (Coropoculia) Higgins and Woolley, 1968, whereas on the contrary Scapheremaeus Berlese, 1910 exhibits only marginal similarities with C. cymba.
ISSN:1945-3892
0164-7954
1945-3892
DOI:10.1080/01647954.2010.499373