Rhytidaphora Reshchikov & Quicke, 2022

Reshchikov, Alexey, Quicke, Donald L. J. & Butcher, Buntika A., 2022, A remarkable new genus and species of Euryproctini (Hymenoptera: Ichneumonidae, Ctenopelmatinae) from Thailand, European Journal of Taxonomy 834 (1), pp. 102-116 : 106-107

publication ID

https://doi.org/ 10.5852/ejt.2022.834.1903

publication LSID

lsid:zoobank.org:pub:32F01279-DBB5-43AD-B702-FE70B68BE336

DOI

https://doi.org/10.5281/zenodo.7011131

persistent identifier

https://treatment.plazi.org/id/718AE550-9DB0-4AB6-83ED-95549932F36B

taxon LSID

lsid:zoobank.org:act:718AE550-9DB0-4AB6-83ED-95549932F36B

treatment provided by

Felipe

scientific name

Rhytidaphora Reshchikov & Quicke
status

gen. nov.

Rhytidaphora Reshchikov & Quicke gen. nov.

urn:lsid:zoobank.org:act:718AE550-9DB0-4AB6-83ED-95549932F36B

Type species

Rhytidaphora thailandica Reshchikov & Quicke gen. et sp. nov. by present designation.

Diagnosis

Rhytidaphora gen. nov. can be distinguished from other genera of Euryproctini by the following combination of character states: lower mandibular tooth much longer than upper ( Fig. 1B View Fig ); occipital carina broadly incomplete dorsally, joining hypostomal carina shortly before base of mandible; occiput with distinct concavity; fore wing without areolet ( Fig. 2A View Fig ); tarsal claws distinctly pectinate ( Fig. 2B View Fig ); T1 dorsal carinae well-developed, continuing as dorsal carinae of T2 ( Fig. 2F View Fig ); S1 very short (0.3 times as long as T1); T2 and T3 immovably fused ( Fig. 2D View Fig ); T1‒5 with deep basal and subapical transverse striate impressions ( Fig. 2D, F View Fig ); ovipositor rather short, straight, with subapical, dorsal notch ( Fig. 2D View Fig ).

Etymology

The generic name Rhytidaphora derives from Greek “ρυτίδα” – “wrinkle” and “φέρω” – “bear”, referring to the sculpture of the metasoma. The gender is feminine.

Description

MEASUREMENTS. Fore wing length 6.0 mm.

HEAD. Clypeus flat in lateral view ( Fig. 2E View Fig ), its lower margin blunt in its middle and slightly sharp laterally, bulging apically ( Fig. 1B View Fig ). Face rather sparsely setose ( Figs 1B View Fig , 2E View Fig ). Anterior tentorial pit rather large ( Fig. 1B View Fig ). Eyes bare ( Fig. 2C View Fig ). Lower mandibular tooth much longer than upper ( Fig. 1B View Fig ). Occipital carina broadly incomplete dorsally, joining hypostomal carina shortly before base of mandible. Occiput with distinct concavity.

MESOSOMA. Epomia absent. Notauli shallow and indistinct ( Fig. 2C View Fig ). Mesopleuron sparsely setose, not punctate ( Fig. 2C View Fig ). Epicnemial carina joining anterior margin of mesopleuron ( Fig. 2C View Fig ). Propodeum in lateral profile convexly rounded ( Fig. 2E View Fig ), with carinae complete except for area apicalis, which is absent (fused with area superomedia) ( Fig. 1C View Fig ). Fore wing without areolet ( Fig. 2A View Fig ). Pterostigma receiving vein Rs+2r at its basal 0.35. Vein 2m-cu with a single bulla ( Fig. 2A View Fig ). Hind wing with cu-a receiving Cu1 well below middle. Tarsal claws distinctly pectinate ( Fig. 2A View Fig ). Fore tibia with apical tooth ( Fig. 2G–H View Fig ).

METASOMA. Without obvious punctures but densely finely setose ( Fig. 2D, F View Fig ). T1 as long as broad with strong dorsal longitudinal carina continuing in dorsal carinae of T2 ( Fig. 2F View Fig ). Glymma absent ( Fig. 2D View Fig ). S1 rather short, 0.3 times as long as T1. T2 and T3 immovably fused ( Fig. 2D View Fig ). T1‒5 with distinct basal and subapical transverse impressions distinctly striate. Ovipositor very short, straight, with a long, shallow, subapical dorsal notch ( Fig. 2D View Fig ).

Species included

The genus is described as monotypic.

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