Published April 21, 2023 | Version v1
Taxonomic treatment Open

Roeseliana pylnovi

Description

Roeseliana pylnovi (Uvarov, 1924)

Figs. 1e, 1f, 3h, 6d, 8a, 10

Uvarov 1924. Trans. R. Entomol. Soc. London, 71(3–4): 534 (Metrioptera pylnovi); type locality and depository: Caucasus (UMO, Oxford).

Material examined. Armenia, Tavush, Dilijan 6.VII.2005, M. Kalashian (5♁, 6♀) (BMPC); Georgia, Caucasus, Bakuriany 5–10.IX.1912, E. Konig (1♁, 1♀ paratypes) (NHM) (photographed by R. Felix); Georgia, Lake Bazeleti 29.VI.2003, P. Fontana, F. Buzzetti & B. Massa (1♁); Georgia, Ananouri 20.VI.2003, P. Fontana, F. Buzzetti & B. Massa (1♁) (BMPC).

Remarks. Described in the genus Metrioptera by Uvarov (1924), it was transferred to the genus Roeseliana by Zeuner (1941). Following Tarbinsky (1932) it is synonymous with R. fedtschenkoi, but Zeuner (1941) listed it as valid species. Ramme (1951) considered R. pylnovi and R. fedtschenkoi different taxa, with different shape of wings. Ĝtz (1969) pointed out that the subgenital plate of female is more incised than that of R. fedtschenkoi, but he did not list specimens of the latter species.

It seems that R. pylnovi is much related to R. fedtschenkoi and R. roeselii. However, titillators are different from those of R. roeselii (Fig. 6). Instead, the supra-anal plate and cerci of the male are a slightly similar to those of R. roeselii (Fig. 6d), however, differences may be detected with the female subgenital plate, which in R. roeselii is laterally more rounded (Figs. 8a and 8b). See also Tables 2 and 4.

Distribution. Caucasian region.

Notes

Published as part of Massa, Bruno, Tagliavia, Marcello, Buzzetti, Filippo Maria, Fontana, Paolo, Carotti, Giovanni, Bardiani, Marco, Leandri, Fausto, Scherini, Roberto & Verde, Gabriella Lo, 2023, A taxonomic revision of the Palaearctic genus Roeseliana (Orthoptera: Tettigoniidae: Tettigoniinae: Platycleidini): a case of ongoing Mediterranean speciation, pp. 351-400 in Zootaxa 5270 (3) on page 363, DOI: 10.11646/zootaxa.5270.3.1, http://zenodo.org/record/7859886

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Additional details

References

  • Uvarov, B. P. (1924) Notes on the Orthoptera in the British Museum, 3. Some less known or new genera and species of subfamilies Tettigoniidae and Decticinae. Transactions Royal entomological Society London, 71 (3 - 4), 492 - 537.
  • 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, figs. 1 - 45. https: // doi. org / 10.1111 / j. 1365 - 2311.1941. tb 03001. x
  • Tarbinsky, S. P. (1932) A contribution to our knowledge of the orthopterous insects of U. S. S. R. Bulletin Leningrad Institute Controlling Farm Forest Pests, 2, 181 - 205. [in Russian, with English descriptions]
  • Ramme, W. (1951) Zur Systematik, Faunistik und Biologie der Orthopteren von Sudost-Europa und Vorderasien. Mitteilungen Zoologischen Museum Berlin, 27, 1 - 431, 39 pls. [1950] https: // doi. org / 10.1002 / mmnz. 4830270108