Orchesella

Belongs within: Entomobryidae.

Orchesella is a genus of entomobryid springtails with clavate tenent hairs, the fourth abdominal segment less than three times as long as the third, and a basal spine on the bidentate mucro (Christiansen & Bellinger 1980).

Characters (Christiansen & Bellinger 1980): Clavate tenent hairs present; antennae with basal subsegments on second, and sometimes first segment, fourth and sometimes third segment showing distinct signs of annulation or setal whorling; fourth abdominal segment less than three times as long as third; mucro bidentate with a basal spine; unguis with four small inner teeth; unguiculus acuminate, usually with small external tooth.

<==Orchesella Templeton 1835 [incl. Itheocerus Bourlet 1842]S-AB08
    |--*O. cincta (Linnaeus 1758)CB80 (see below for synonymy)
    |--O. ainsliei Folsom 1924 [incl. Entomobrya indigena Stach 1966]CB80
    |--O. albosa Guthrie 1903CB80
    |--O. alpa Christiansen & Tucker 1977CB80
    |--O. alticolaS00
    |--O. annulicornis Mills 1934CB80
    |--O. bifasciataS00
    |--O. bulba Christiansen & Tucker 1977CB80
    |--O. carneiceps Packard 1873CB80
    |--O. celsa Christiansen & Tucker 1977CB80
    |--O. fishmani Christiansen & Tucker 1977CB80
    |--O. flavescens (Bourlet 1839)S00, CB80 (see below for synonymy)
    |--O. flora Christiansen & Tucker 1977CB80
    |--O. folsomi Maynard 1933CB80
    |--O. hexfasciata Harvey 1895 [=Entomobrya hexfasciata]CB80
    |--O. imitariRS10
    |--O. irregularilineata Stach 1960CB80
    |--O. montana Stach 1960SL06
    |--O. ‘pallens’ Maynard 1951 non Latzel 1918CB80
    |--O. quinquefasciataS00
    |--O. rufescens (Wulfen 1788)S00, CB80 (see below for synonymy)
    |--O. villosa (Linnaeus 1767) [incl. O. diagonalis Maynard 1951]CB80
    `--O. zebra Guthrie 1903CB80

*Orchesella cincta (Linnaeus 1758)^CB80 [=Podura cincta^CB80; incl. O. cincta var. fastuosa^S00, O. flavopicta Packard 1873^CB80, O. cincta f. pallida Kos 1936 non O. flavescens f. pallida Reuter 1895^CB80, O. cincta var. silvatica^S00, Podura vaga Linnaeus 1767^CB80, O. cincta var. vaga^S00]

Orchesella flavescens (Bourlet 1839)^{S00, CB80} [=Heterotoma flavescens^CB80; incl. O. flavescens f. pallida Reuter 1895^CB80, O. rufescens var. pallida^S00]

Orchesella rufescens (Wulfen 1788)^{S00, CB80} [=Podura rufescens^CB80; incl. O. rufescens var. melanocephala^S00, O. rufescens var. spectabilis^S00]

*Type species of generic name indicated

References

[CB80] Christiansen, K., & P. Bellinger. 1980. The Collembola of North America north of the Rio Grande: A taxonomic analysis vol. 3. Family Entomobryidae. Grinnell College: Grinnell (Iowa).

[RS10] Regier, J. C., J. W. Shultz, A. Zwick, A. Hussey, B. Ball, R. Wetzer, J. W. Martin & C. W. Cunningham. 2010. Arthropod relationships revealed by phylogenomic analysis of nuclear protein-coding sequences. Nature 463: 1079–1083.

[S00] Schäffer, C. 1900. Ueber württembergische Collembola. Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg 56: 245–280, pl. 2.

[SL06] Schulz, H.-J., & P. Lymberakis. 2006. First contribution to the knowledge of the Collembola fauna of the White Mountains (Lefká Óri) in west Crete (Insecta, Collembola, Isotomidae). Senckenbergiana Biologica 86 (2): 229–234.

[S-AB08] Soto-Adames, F. N., J.-A. Barra, K. Christiansen & R. Jordana. 2008. Suprageneric classification of Collembola Entomobryomorpha. Annals of the Entomological Society of America 101 (3): 501–513.