Abstract
The ultimate stadium larva of Gynacantha cylindrata Karsch, 1891 is described and illustrated based on fifteen male and female exuviae from Bundibugyo, Uganda. The larva resembles those of the few described African species of the genus but shows a denser coverage of spine-like setae on body surface and abundance of hair-like setae on mouthparts. The female gonapophyses appear to be the longest described in the genus up to now and similar to those of G. villosa, a species included in the same group of African species.
References
Carchini, G. & Di Domenico, M. (2008) The last instar larva of Gynacantha villosa Gruenberg and Gynacantha manderica Gruenberg (Anisoptera: Aeshnidae). Odonatologica, 37 (3), 257–264.
Corbet, P.S. (1953) A terminology for the labium of larval Odonata. Entomologist, 83, 191–196.
Couteyen, S. & Papazian, M. (2000) Contribution to the knowledge on the Odonata of Reunion island. 2. Description of the larva of Gynacantha bispina Rambur. (Odonata, Aeshnidae). Entomologiste, 56 (5), 215–219.
De Marmels, J. & Neiss, U.G. (2011) Description of the larva of Gynacantha auricularis Martin, 1909 (Odonata: Aeshnidae). Zootaxa, 3137, 64–68.
Dijkstra, K-D.B. (2005) Taxonomy and identification of continental African Gynacantha and Eliaeschna species (Odonata: Aeshnidae). International Journal of Odonatology, 8, 1–32.
http://dx.doi.org/10.1080/13887890.2005.9748240Heidemann, H. & Seidenbusch, R. (2002) Larve et exuvie des Libellules de France et d’Allemagne (sauf de Corse). Societè Française d’Odonatologie, Bois-d’Arcy, 416 pp.
Pinhey, E. (1959) Notes of African Odonata Nymphs. Journal of entomological Society of South Africa, 22 (2), 469–468.
Samways, M.J., Carchini, G. & Di Domenico, M. (1993) The last instar larvae of the southern African endemics Aeshna minuscula McLachlan, 1986 and A. subpupillata McLachlan, 1896 (Anisoptera: Aeshnidae). Odonatologica, 22, 81–88.
Theischinger, G. (2001) The larva of Gynacantha mocsaryi Foerster (Odonata: Aeshnidae). Linzer Biologische Beitraege, 33 (1), 603–606.
Theischinger, G. (2007) The final instar larvae of Gynacantha rosenbergi Kaup and Antipodogomphus proselythus (Martin) (Odonata, Aeshnidae & Gomphidae). Linzer Biologische Beitraege, 39 (2), 1233–1237.
Watson, M.C. (1956) The utilization of mandibular armature in taxonomic studies of anisopteran nymphs. Transaction of American entomological Society, 81, 155–202.