Hygrobatidae
| Hygrobatidae | ||||||||||||
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Females of Hygrobates fluviatilis |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Hygrobatidae | ||||||||||||
| Koch , 1842 |
The Hygrobatidae are a family of the freshwater mites ( Hydrachnidiae) within the mites (Acari). Representatives of the family live in springs , still waters and, above all, rivers .
features
The body is usually soft-skinned. The 2nd phalanx often has a peg and in both sexes the genital bowls sit on plates, these are connected to a plate in the male.
distribution
The Hygrobatidae are cosmopolitan and are only absent in the Australis . About 120 species are known in Europe, which are divided into four genera:
- Hygrobates with 18 species
- Atractides with approx. 100 kinds
- Maderomegapus and
- Mesobates each with one species.
Way of life
Hygrobates and Atractides species go through a parasitic phase in the larval stage and parasitize on various two-winged and caddis-fly species.
Systematics
The Hygrobatidae are within the acariformes parentage within the mites . The mites of the Hydrachnidiae group living in fresh water not only show convergent adaptations to the way of life in the water, but also represent a related group ( taxon ).
Individual evidence
- ↑ Gerald W. Krantz, David E. Walter (Eds.): A Manual of Acarology. 3rd edition. Texas Tech University Press, Lubbock TX 2009, ISBN 978-0-89672-620-8 , p. 150.
literature
- Reinhard Gerecke: Freshwater Mites (Hydrachnellae) A key for the identification of the genera of Hydrachnellae known from the western Palearctic with an introductory overview of the mites that occur in the water. In: Lauterbornia. H. 18, 1994, ISSN 0935-333X , pp. 1-84.
- Karl Viets: arachnids or arachnoid. 7: water mites or hydracarina. (Hydrachnellae and Nalacaridae) (= The animal world of Germany and the adjacent parts of the sea according to their characteristics and their way of life. Tl. 31/32, ZDB -ID 1202388-7 ). Fischer, Jena 1936.
