Tarsonemidae

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Tarsonemidae
Acarapis woodi

Acarapis woodi

Systematics
Superordinate : Acariformes
Order : Trombidiformes
Subordination : Prostigmata
Overcohort : Eleuterengona
Cohort : Heterostigmatina
Family : Tarsonemidae
Scientific name
Tarsonemidae
Kramer , 1877
Polyphagotarsonemus latus
Steneotarsonemus spinki in a rice plant

Tarsonemidae are a family of mites . Many of their species are considered to be plant pests.

features

The species of the family are small and reach a length of 0.1 to 0.3 millimeters in the adult stage . Your integument is relatively hard and appears shiny white. The physique is oval.

The fourth (rear) pair of legs is tripartite, in the males mostly more pronounced than the other pairs of legs, in the females, however, much thinner than these. The females have no tarsal claws on the fourth pair of legs, but rather a long, whip-shaped bristle each .

Way of life

Only a few genera of the Tarsonemidae such as Steneotarsonemus , Polyphagotarsonemus , Phytonemus , Floridotarsonemus and Tarsonemus attack higher plants. Most of the other genera can therefore be ruled out as causing damage to crops cultivated by humans. Their mouthparts are too weak to penetrate the outer layers of the plant organs. They feed on the thin-walled mycelia of mushrooms or algae . Acarapis woodi, on the other hand, parasitizes honey bees ( aracipiosis ).

Systematics

In 2002, Lin and Zhang listed 529 described species of the Tarsonemidae in 40 genera. Numerous genera and species have been newly discovered and described in recent years.

Genera (after Lin and Zhang):

Individual evidence

  1. a b Jianzhen Lin, Zhi-Qiang Zhang: Tarsonemidae of the world (Acari: Prostigmata). Key genera, geographical distribution, Systematic catalog and annotated bibliography. Systematic & Applied Acarology Society, London 2002, ISBN 0-9534144-3-4 ( table of contents , PDF; 10.21 KB).

literature

  • Richard Wall, David Shearer: Veterinary Entomology. Arthropod Ectoparasites of Veterinary Importance. Chapman & Hall, London et al. 1997, ISBN 0-412-61510-X .

Web links

Commons : Tarsonemidae  - Collection of images, videos and audio files