Tumidistephanus Ge & Tan, 2023

Ge, Si-Xun, Ren, Li-Li & Tan, Jiang-Li, 2025, The mid-Cretaceous crown wasp genus † Tumidistephanus Ge & Tan: discovery of the first male and a new species (Hymenoptera, Stephanidae), ZooKeys 1248, pp. 53-59 : 53-59

publication ID	https://doi.org/10.3897/zookeys.1248.157257
publication LSID	lsid:zoobank.org:pub:F3CF292B-8679-474F-B70C-21786930E5C5
DOI	https://doi.org/10.5281/zenodo.16738648
persistent identifier	https://treatment.plazi.org/id/D1AEC822-31F2-5EDE-B7AE-1BEFF8C4EA38
treatment provided by	ZooKeys by Pensoft
scientific name	Tumidistephanus Ge & Tan, 2023
status

Treatment

Genus † Tumidistephanus Ge & Tan, 2023

† Tumidistephanus Ge & Tan, 2023: 819–844 (original description, keyed).

Type species.

† Tumidistephanus prometheus Ge & Tan, 2023 .

Diagnosis.

Mesosoma robust. Metafemur distinctly swollen medially, appearing nearly oval in shape. Metafemur ventrally with two prominent and at least five medium-sized teeth. Female metatarsus five segmented. Forewing in females with veins Rs + M and 1 Cu non-parallel in females; junction between 2 - Rs, M, and 2 Rs + M distinctly disconnected, forming a conspicuous gap. First metasomal tergite (T 1) and sternite (S 1) not fused laterally. Ovipositor length nearly as long as metasoma.