Arkadiserphus Rasnitsyn, 2021

Rasnitsyn, Alexandr P., 2021, First Jurassic representative of the extinct family Peleserphidae (Hymenoptera, Proctotrupoidea), Journal of Hymenoptera Research 84, pp. 295-300 : 295

publication ID	https://dx.doi.org/10.3897/jhr.84.65493
publication LSID	lsid:zoobank.org:pub:3B5A2778-6669-4F58-A6ED-4DAB4526B060
persistent identifier	https://treatment.plazi.org/id/83025DBC-1CE8-42FE-A296-2CDDA46A164D
taxon LSID	lsid:zoobank.org:act:83025DBC-1CE8-42FE-A296-2CDDA46A164D
treatment provided by	Journal of Hymenoptera Research by Pensoft
scientific name	Arkadiserphus Rasnitsyn
status	gen. nov.

Treatment

Genus Arkadiserphus Rasnitsyn gen. nov.

Type species.

Arkadiserphus leleji Rasnitsyn, sp. nov.

Diagnosis.

Head orthognathous. Antenna oligomerous (less than 15-segmented). Fore wing with pterostigma wide (about 3 times as long as wide), rudiment of 1-RS+M present, rudiment of 1m-cu lost, (M+)Cu with rudimentary kinks at 1cu-a and 2cu-a, 1cu-a postfurcal. Female hypopygium short (not much longer than other metasomal sterna).

Remarks.

The new genus differs considerably from both previously known genera of Peleserphidae , Peleserphus Zhang, Rasnitsyn, Wang & Zhang, 2018 and Peleproctus Zhang, Rasnitsyn, Wang & Zhang, 2018, in the characters listed above: those two genera have head functionally prognathous, antenna polymerous (16-21-segmented), fore wing with pterostigma narrow, 1-RS+M totally lost, in contrast with 1m-cu partially preserved, (M+)Cu with no distinct kink, 1cu-a interstitial.

Species included.

Type only.

Etymology.

The genus name is dedicated to Prof. Arkady Lelej, an outstanding hymenopterist and my friend.