Schwiebea

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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. [1] It is among the largest in the family with over 60 species. [2]

Contents

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. [2]

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). [2] [3] Some species attach phoretically to arthropods such as bark beetles, [4] millipedes [5] and ticks. [6]

Reproduction

Some species of Schwiebea are all-female and reproduce by parthenogenesis, while others use sexual reproduction. [2] [3] Parthenogenesis is thought to have evolved at least three times within the genus. [3]

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. [7]

Species

References

  1. ↑ Barry O'Connor, ed. (2008). "Acaridae Species Listing". Biology Catalog. Texas A&M University . Retrieved July 26, 2010.
  2. 1 2 3 4 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. 1 2 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.
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