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Schwiebea

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Genus of mites

Schwiebea
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Sarcoptiformes
Family: Acaridae
Genus: Schwiebea
Oudemans, 1916

Schwiebea is a genus of mites in the family Acaridae. It is among the largest in the family with over 60 species.

Description

Adults of Schwiebea are distinguished from other mites by: the absence of many setae, the reduction of supracoxal seta of leg I to a tiny spine, and the absence of Grandjean's organ. Additionally, the propodosomal sclerite has a posterior indentation/incision for up to 50% of its length. Females have a spermatheca (organ for receiving and storing sperm) and its morphology is important for distinguishing species.

Habitat

Schwiebea have been collected from various habitats including vegetation (clover roots, a verbena field, peony rose, Gerbera roots, yams, taro seeds), leaf litter, peat moss, caves, insect rearing containers and even some aquatic environments (fish farms, aquariums, swimming pools). Some species attach phoretically to arthropods such as bark beetles, millipedes and ticks.

Reproduction

Some species of Schwiebea are all-female and reproduce by parthenogenesis, while others use sexual reproduction. Parthenogenesis is thought to have evolved at least three times within the genus.

Pest status

One species, S. similis, is a pest of American ginseng in China. A scientific study found it can also feed on other crops to varying extents, including garlic, potato and Chinese yam.

Species

References

  1. Barry O'Connor, ed. (2008). "Acaridae Species Listing". Biology Catalog. Texas A&M University. Retrieved July 26, 2010.
  2. ^ Okabe, Kimiko; OConnor, Barry M. (2000). "Morphometric and systematic analyses of populations of the Schwiebea barbei - group (acari: acaridae) with particular reference to populations from North America and Japan". International Journal of Acarology. 26 (2): 115–126. doi:10.1080/01647950008684176. ISSN 0164-7954. S2CID 83624626.
  3. ^ Okabe, Kimiko; Hinomoto, Norihide; OConnor, Barry M. (2008). "Ecological and morphological attributes of parthenogenetic Japanese Schwiebea species (Acari: Acaridae)". Experimental and Applied Acarology. 44 (2): 77–88. doi:10.1007/s10493-008-9140-3. ISSN 0168-8162. PMID 18347918. S2CID 26034686.
  4. Pernek, Milan; Wirth, Stefan; Blomquist, Stacy; Avtzis, Dimitrios; Moser, John (2012-02-01). "New associations of phoretic mites on Pityokteines curvidens (Coleoptera, Curculionidae, Scolytinae)". Open Life Sciences. 7 (1): 63–68. doi:10.2478/s11535-011-0096-7. ISSN 2391-5412. S2CID 601227.
  5. Farfan, Monica; Klompen, Hans (2012-06-05). "Phoretic mite associates of millipedes (Diplopoda, Julidae) in the northern Atlantic region (North America, Europe)". International Journal of Myriapodology. 7: 69–91. doi:10.3897/ijm.7.3064. ISSN 1875-2543.
  6. Hutcheson, H. Joel; Mertins, James W.; Larson, Scott R.; Paskewitz, Susan (2015). "Acarine Hypopi (Sarcoptiformes: Acaridae) on Ixodes scapularis (Ixodida: Ixodidae) in Central North America: Fig. 1". Journal of Medical Entomology. 52 (5): 837–841. doi:10.1093/jme/tjv085. ISSN 0022-2585. PMID 26336225.
  7. Guo, S.; Zhao, L.; Lan, A. (2016). "Feeding and Reproductive Choices of Schwiebea similis (Acari: Acaridae) on Nine Crops". Journal of Agriculture. 6 (8): 23–28.
Taxon identifiers
Schwiebea
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