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- Title
New stem-Phasmatodea from the Middle Jurassic of China.
- Authors
SHANG, LIANGJIE; BÉTHOUX, OLIVIER; REN, DONG
- Abstract
Adjacivena rasnitsyni gen. n., sp. n., from the Middle Jurassic Jiulongshan Formation (Daohugou Village, Inner Mongolia, China), is described based on a set of well-preserved specimens, interpreted as two females and a male of the same species. The new taxon is assigned to the family Susumaniidae, i.e. is a candidate stem-Phasmatodea. This ordinal assignment is supported by genital elements, chiefly a putative operculum concealing the ovipositor observed in one female specimen and a putative extension of the 10th tergum with a thorn pad in the male specimen. Variation in the venation of the forewing is appreciated based on more or less complete pairs of wings and a comparison with that in the forewings of male Heteropteryx dilatata (Parkinson, 1798). This material offers new perspectives on the primary homologies of the hind wing venation of stick-insects.
- Subjects
CHINA; PHASMIDA; FOSSIL classification; JURASSIC paleopedology; HOMOLOGY (Biology)
- Publication
European Journal of Entomology, 2011, Vol 108, Issue 4, p677
- ISSN
1210-5759
- Publication type
Article
- DOI
10.14411/eje.2011.086