Published July 26, 2023 | Version v1
Taxonomic treatment Open

Roeseliana Zeuner 1941

  • 1. Groupement d'Études entomologiques Méditerranée (G. E. E. M.), PO BOX 60 GR- 48060 Parga (Greece)

Description

KEY TO SPECIES OF ROESELIANA ZEUNER, 1941 IN THE SOUTHWESTERN BALKANS

Females

1. Sternum 6 and 7 with bumps ................................................................................. R. bispina (Bolivar, 1899)

— Sternum 6 and 7 not modified .................................................................................................................... 2

2. Subgenital plate trapezoidal in shape, wider than high, the lobes truncated horizontally. Narrow and shallow excision between the two lobes ............................................................................................ R. epirotica n. sp.

— Subgenital plate widened with lobes slightly pointed. Deep and large excision of the subgenital plate ......... 3

3. Lobes of subgenital plates almost triangular in shape. Excision of the subgenital plate reaching beyond the middle .............................................................................................................. R. roeselii (Hagenbach, 1822)

— Lobes more rounded on external part. Excision of the subgenital plate reaching at most to the middle .......... ............................................................................................................................ R. ambitiosa (Uvarov, 1924)

Males

1. Last tergite indented over a narrow width. Internal tooth of cerci longer than width of cercus at the point of insertion of the tooth. Tooth bent forward ...................................................................................... R. roeselii

— Last tergite indented over a large width. Internal tooth of cerci as most as long as the width of cercus at the point of insertion of the tooth. Tooth not bent, more rounded .................................................................... 2

2. Titillators slightly curved ............................................................................................................. R. ambitiosa

— Titillators strongly curved with the apex in the shape of a beak ................................................................... 3

3. A very few number of spines, only located on the apex of the titillators ............................... R. epirotica n. sp.

— A larger number of spines on the titillators, from the base to the apex ............................................ R. bispina

Notes

Published as part of Lemonnier-Darcemont, Michèle & Darcemont, Christian, 2023, New data on the distribution of the genus Roeseliana Zeuner, 1941 (Orthoptera, Tettigoniidae, Tettigoniinae) in the southwestern Balkans, with description of R. epirotica n. sp., pp. 445-450 in Zoosystema 45 (14) on page 449, DOI: 10.5252/zoosystema2023v45a14, http://zenodo.org/record/8200298

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Linked records

Additional details

Biodiversity

Family
Tettigoniidae
Genus
Roeseliana
Kingdom
Animalia
Order
Orthoptera
Phylum
Arthropoda
Scientific name authorship
Zeuner
Taxon rank
genus
Taxonomic concept label
Roeseliana Zeuner, 1941 sec. Lemonnier-Darcemont & Darcemont, 2023

References

  • ZEUNER F. E. 1941. - The classification of the Decticinae hitherto included in Platycleis Fieb. or Metrioptera Wesm. (Orthoptera, Saltatoria). Transactions Royal entomological Society London 91: 1 - 50. https: // doi. org / 10.1111 / j. 1365 - 2311.1941. tb 03001. x
  • BOLIVAR I. 1899. - Orthopteres du voyage de M. Martinez Escalera dans l'Asie mineure. Annales de la Societe entomologique de Belgique 43: 583 - 607.
  • UVAROV B. P. 1924. - N otes on the Orthoptera in the British Museum. Transactions of the Royal Entomological Society of London 71 (3 - 4): 492 - 537. https: // doi. org / 10.1111 / j. 1365 - 2311.1922. tb 02828. x