Parablattogryllus obscurus Storozhenko, 1988

Aristov, D. S. & Storozhenko, S. Yu., 2011, The Taxonomic Position Of The Genus Parablattogryllus Storozhenko, 1988 (Insecta) From The Cretaceous Of Russia, Far Eastern Entomologist 236, pp. 14-16 : 16

Parablattogryllus obscurus Storozhenko, 1988

Figs 1–3

Parablattogryllus obscurus Storozhenko, 1988: 51 , fig. 1i (holotype – positive and negative imprints of hindwing; Russia: Buryat Republic, Bauntovo District, left bank of the Vitim River downstream of the Baissa River, Baissa locality; Lower Cretaceous, Zaza Formation; in PIN; studied); Storozhenko, 1998: 177, fig. 449; Huang et al., 2008: 21; Aristov, 2011: 60 .

MATERIAL. Holotype from Baissa locality.

LOCALITY AND HORIZON. Russia: Baissa locality; the Lower Cretaceous, Zaza Formation.

DESCRIPTION. RS with four branches. MA forked. Intermedial area with distinct wrinkle. A 1 forked. A 2 with two branches; basal branch angularly curved and connected with posterior margin of hindwing by simple cross-vein.

MEASUREMENTS. Length of hindwing 7.8 mm.

ACKNOWLEDGEMENTS

This study is supported by the Program ‘Biosphere Origin and Evolution of Geo- Biological Systems’ of the Presidium of the Russian Academy of Sciences and the Russian Foundation for Basic Research No. 11-04-01712.

REFERENCES

Aristov, D. S. 2011. New and little known Blattogryllidae (Insecta: Grylloblattida) from the Permian and Triassic of Russia, Kazakhstan, and Kyrgyzstan. Paleontologicheskii Zhurnal 1: 59-65 (In Russian; English translation Paleontological Journal 45 (1): 65–72).

Huang, D.-Y., Nel, A. & Petrulevičius, J. F. 2008. New evolutionary evidence of Grylloblattida from the Middle Jurassic of Inner Mongolia, North-East China (Insecta, Polyneoptera). Zoological Journal of the Linnean Society 152 (1): 17–24.

Storozhenko, S. Yu. 1988. New and little known Mesozoic grylloblattids (Insecta). Paleontological Journal 4: 48–54. (In Russian).

Storozhenko, S. Yu. 1998. Sistematics, phylogeny and evolution of the grylloblattids (Insecta: Grylloblattida). Vladivostok: Dalnauka. 207 p. (In Russian).

Figures

Figs. 1-3. Hindwing of Parablattogryllus obscurus (holotype, PIN No. 1989/2497). 1 – positive imprint; 2 – negative imprint; 3 – reconstruction. Scale bar: 1 mm.