Oligonychus

Spruce spider mite
Oligonychus ununguis, copyright Tracy Wootten.

Belongs within: Tetranychinae.

Oligonychus is a genus of spider mites characteristically feeding on grasses or on the upper surface of plant leaves. They are characterised by the presence of a clawlike empodium, about as long as or longer than its proximoventral hairs, a single pair of para-anal setae, and the absence of setigerous tubercles on the dorsum of the body (Baker & Pritchard 1960). Several species are economically significant pests including the tea red spider mite O. coffeae and Banks’ grass mite O. pratensis.

<==Oligonychus Berlese 1886 H98
|–O. (Oligonychus) BT72
|    |–*O. (O.) brevipodus (Targioni Tozzetti 1878) BT72, H98 [=Heteronychus brevipodus BT72]
|    |–O. (O.) chiapensis AP80
|    |–O. (O.) mangiferus (Rahman & Sapra 1940) AP80, H98 [=Paratetranychus mangiferus H98]
|    |–O. (O.) punicae AP80
|    `–O. (O.) ununguis (Jacobi 1905) BWA03, H98 [=Tetranychus ununguis H98, Paratetranychus ununguis H98]
|–O. (Homonychus Wainstein 1960) BT72
|    |–O. (*H.) peruvianus [=Tetranychus peruvianus] BT72
|    `–O. (H.) platani (McGregor 1950) [=Paratetranychus platani] BT72
|–O. (Pritchardinychus Wainstein 1960 BT72
|    |–O. (*P.) pritchardi [=Paratetranychus pritchardi] BT72
|    |–O. (P.) biharensis (Hirst 1924) BT72, BP60 [=Paratetranychus biharensis BP60]
|    |–O. (P.) calcis Baker & Pritchard 1960 BT72, BP60
|    |–O. (P.) hadrus Pritchard & Baker 1955 BT72, BP60
|    |–O. (P.) hovo BT72
|    |–O. (P.) macrostachyus Baker & Tuttle 1972 BT72
|    |–O. (P.) mimosae BT72
|    |–O. (P.) propetes BT72
|    `–O. (P.) veramerae BT72
|–O. (Reckiella Tuttle & Baker 1968) BT72
|    |–O. (*R.) pratensis [=Tetranychus pratensis] BT72
|    |–O. (R.) araneum Davis 1968 BWA03, H98 [=O. areneum (l. c.) H98]
|    |–O. (R.) digitatus Davis 1966 BWA03, H98
|    |–O. (R.) mcgregori AP80
|    |–O. (R.) saccharoides Baker & Tuttle 1972 BT72
|    |–O. (R.) stickneyi AP80
|    |–O. (R.) tiwakae Gutierrez 1979 BWA03, H98
|    `–O. (R.) zeae AP80
`–O. (Wainsteiniella) subnudus AP80

Oligonychus incertae sedis:
O. afrasiaticus (McGregor 1939) [=Paratetranychus afrasiaticus] BP60
O. bicolor WL09
O. coffeae (Nietner 1861) H98 (see below for synonymy)
O. ephamnus Beard & Walter in Beard, Walter & Allsopp 2003 BWA03
O. festucolus Beard & Walter in Beard, Walter & Allsopp 2003 BWA03
O. gotohi WL09
O. grypus Baker & Pritchard 1960 H98 [incl. O. monsarrati BWA03]
O. ilicis GB91
O. indicus G01
O. licinus Baker & Pritchard 1960 BP60
O. litchii H07
O. megandrosoma MF07
O. mexicanus BT72
O. milleri (McGregor 1950) [=Paratetranychus milleri] H98
O. orthius Rimando 1962 BWA03
O. oryzae (Hirst 1926) [=Paratetranychus oryzae] BWA03
O. perditus NMF07
O. perseae WP99
O. plegas Baker & Pritchard 1960 BP60
O. potentillae AL37
O. psidii MF07
O. sacchari BP60
O. saccharinus Baker & Pritchard 1960 BP60
O. simus Baker & Pritchard 1960 BP60
O. thelytokus GB91
O. turbelli Beard & Walter in Beard, Walter & Allsopp 2003 BWA03
O. tylus Baker & Pritchard 1960 BP60
O. uruma H07
O. velascoi BWA03
O. vitis Zaher & Shehata 1965 A-T96
O. yothersi WL09
O. zanclopes Beard & Walter in Beard, Walter & Allsopp 2003 BWA03

Oligonychus coffeae (Nietner 1861) H98 [=Acarus coffeae H98; incl. O. merwei Tucker 1926 BP60, Paratetranychus terminalis Sayed 1946 BP60]

*Type species of generic name indicated

REFERENCES

[A-T96] Abo-Taka, S. M. 1996. Studies on some ecological factors affecting phytophagous and predacious mites in grape yards. In: Mitchell, R., D. J. Horn, G. R. Needham & W. C. Welbourn (eds) Acarology IX vol. 1. Proceedings pp. 177–180. Ohio Biological Survey: Columbus (Ohio).

[AL37] André, M., & É. Lamy. 1937. Les Idées actuelles sur la Phylogénie des Acariens. Published by the author: Paris.

[AP80] Andrews, K. L., & S. L. Poe. 1980. Spider mites of El Salvador, Central America (Acari: Tetranychidae). Florida Entomologist 63 (4): 502–505.

[BP60] Baker, E. W., & A. E. Pritchard. 1960. The tetranychoid mites of Africa. Hilgardia 29 (11): 455–574.

[BT72] Baker, E. W., & D. M. Tuttle. 1972. New species and further notes on the Tetranychoidea mostly from the southwestern United States (Acarina: Tetranychidae and Tenuipalpidae). Smithsonian Contributions to Zoology 116: 1–37.

[BWA03] Beard, J. J., D. E. Walter & P. G. Allsopp. 2003. Spider mites of sugarcane in Australia: a review of grass-feeding Oligonychus Berlese (Acari: Prostigmata: Tetranychidae). Australian Journal of Entomology 42: 51–78.

[G01] Gupta, S. K. 2001. A conspectus of natural enemies of phytophagous mites and mites as potential biocontrol agents of agricultural pests in India. In: Halliday, R. B., D. E. Walter, H. C. Proctor, R. A. Norton & M. J. Colloff (eds) Acarology: Proceedings of the 10th International Congress pp. 484–497. CSIRO Publishing: Melbourne.

[GB91] Gutierrez, J., H. R. Bolland, J. Etienne & D. Cotton. 1991. Deuterotoky in Mononychellus caribbeanae (Acari: Tetranychidae) on cassava in Guadeloupe. Karyotype and preliminary biological data. In: Dusbábek, F., & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 2 pp. 443–447. SPB Academic Publishing: The Hague.

[H98] Halliday, R. B. 1998. Mites of Australia: A checklist and bibliography. CSIRO Publishing: Collingwood.

[H07] Ho, C.-C. 2007. Crop mite pests of southeast Asia and tropical far east. In: Morales-Malacara, J. B., V. M. Behan-Pelletier, E. Ueckermann, T. M. Pérez, E. G. Estrada-Venegas & M. Badii (eds) Acarology XI: Proceedings of the International Congress pp. 259–266. Instituto de Biología and Faculdad de Ciencias, Universidad Nacional Autónoma de México, Sociedad Latinoamericana de Acarología: México.

[MF07] Moraes, G. J. de, & C. H. W. Flechtmann. 2007. Phytophagous mites of tropical crops in eastern South America. In: Morales-Malacara, J. B., V. M. Behan-Pelletier, E. Ueckermann, T. M. Pérez, E. G. Estrada-Venegas & M. Badii (eds) Acarology XI: Proceedings of the International Congress pp. 279–288. Instituto de Biología and Faculdad de Ciencias, Universidad Nacional Autónoma de México, Sociedad Latinoamericana de Acarología: México.

[NMF07] Navia, D., G. J. de Moraes & C. H. W. Flechtmann. 2007. Phytophagous mites as invasive alien species: quarantine procedures. In: Morales-Malacara, J. B., V. M. Behan-Pelletier, E. Ueckermann, T. M. Pérez, E. G. Estrada-Venegas & M. Badii (eds) Acarology XI: Proceedings of the International Congress pp. 307–316. Instituto de Biología and Faculdad de Ciencias, Universidad Nacional Autónoma de México, Sociedad Latinoamericana de Acarología: México.

[WL09] Walter, D. E., E. E. Lindquist, I. M. Smith, D. R. Cook & G. W. Krantz. 2009. Order Trombidiformes. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 233–420. Texas Tech University Press.

[WP99] Walter, D. E., & H. C. Proctor. 1999. Mites: Ecology, Evolution and Behaviour. CABI Publishing: Wallingford (UK).

Last updated: 22 June 2022.

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