Scymnus auritus

Scymnus auritus is a species of beetle in family Coccinellidae. It is found in the Palearctic [2] It is a tiny (2mm. -2.5 2mm.) black ladybird associated with Quercus robur woodland.

Scymnus auritus
Scymnus auritus no. 5
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Coccinellidae
Genus:
Scymnus
Species:
S. auritus
Binomial name
Scymnus auritus

Biology

In Central Europe it is a mainly found in deciduous forests, groves, and light forests. In spring, the beetles were found on flowering Prunus padus and Crataegus monogyna and later, on oaks and Tilia × europaea[3] The insects feed on aphids on oaks, less frequently on other trees.[4][5] S. auritus was also reported as a predator of mites occurring on the underside of oak leaves; it also feeds on Phylloxeridae [6]

Distribution

Europe, Cyprus, European Russia, the Caucasus, Siberia, the Russian Far East; Belarus, Ukraine, Moldova, Transcaucasia, Middle Asia, Western Asia, China.[7][8]

References
  1. Thunberg, C.P. 1795. Dissertatio entomologica, sistens Insecta Svecica. pt. ix. -pp. 105-13., Upsaliae
  2. Joy, N 1932 A Practical Handbook of British Beetles
  3. Koch, K., Die Käfer Mitteleuropas, Ökologie. Vol. 2 (Goecke und Evers Verlag, Krefeld, 1989).
  4. Dyadechko, N.P., The Coccinellidae of the Ukrainian Soviet Socialist Republic (Academy of Sciences of the Ukrainian SSR, Kiev, 1954) [in Russian].
  5. Savoiskaya, G.I., Coccinellid Larvae (Coleoptera, Coccinellidae) of the Fauna of the USSR (Nauka, Leningrad Branch, Leningrad, 1983) (Keys to the Fauna of the USSR, Published by the Zoological Institute of the Academy of Sciences of the USSR, No. 137) [in Russian].
  6. Burakowski, B., Mroczkowski, M., and Stefańska, J., Katalog Fauny Polski. Szęść XXIII, Chrząszcze– Coleoptera. Tom 13. Cucujoidea, część 2 (Państwowe wydawnictwo naukowe, Warszawa, 1986).
  7. N. B. Nikitsky and А. S. Ukrainsky , 2016 The Ladybird Beetles (Coleoptera, Coccinellidae) of Moscow Province ISSN 0013-8738, Entomological Review, 2016, Vol. 96, No. 6, pp. 710–735 ISSN 0013-8738 online pdf
  8. Fauna Europaea


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