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- Title
Two New Fossil Sawflies of Pamphiliidae (Hymenoptera: Symphyta) from the Mesozoic of Northeastern China †.
- Authors
Zhuang, Jialiang; Shih, Chungkun; Wang, Mei; Ren, Dong
- Abstract
Simple Summary: Two new species and one new specimen of Scabolyda (Pamphiliidae) are described from the Mesozoic of northeastern China. Structures of antennae, genitalia, and legs, especially the hind tarsal claw, are preserved. The documentation of these new structures helps to link extant and fossil taxa of Pamphiliidae. Two new species of Pamphiliidae, Scabolyda latusa sp. nov. and Scabolyda tenuis sp. nov. are described and illustrated from the late Middle Jurassic Jiulongshan Formation and the Lower Cretaceous Yixian Formation of northeastern China, respectively. A new specimen of Scabolyda orientalis Wang, Rasnitsyn, Shih and Ren, 2014 with distinct male genitalia is documented for the first time. Based on the specimens with new and distinct structures of legs, antennae, and genitalia, the morphological characters of Scabolyda are supplemented: antenna with ca. 13–14 flagellomeres; fore leg with tibia without pre-apical spur; hind leg nearly 0.6 times as long as the body, hind tarsal claw without setae and its inner tooth not developed. In addition, the tarsal claw characteristics found in the new species may suggest Scabolyda has a closer relationship with Cephalciinae, rather than with Pamphiliinae.
- Subjects
CHINA; SAWFLIES; FORELIMB; HINDLIMB; MESOZOIC Era; MALE reproductive organs; INSECT anatomy
- Publication
Insects (2075-4450), 2022, Vol 13, Issue 5, p402
- ISSN
2075-4450
- Publication type
Article
- DOI
10.3390/insects13050402