Chorinaeus Holmgren, 1858

Ranjith, A. P. & Butcher, Buntika A., 2024, First record of the genus Chorinaeus Holmgren, 1858 (Hymenoptera: Ichneumonidae) from India and Thailand with the description of two new species, Zootaxa 5463 (2), pp. 283-290 : 284

publication ID	https://doi.org/ 10.11646/zootaxa.5463.2.8
publication LSID	lsid:zoobank.org:pub:4DEA8F13-0BC8-4A6C-9C7F-803F04F8772D
DOI	https://doi.org/10.5281/zenodo.11623170
persistent identifier	https://treatment.plazi.org/id/03C787BE-FFFD-FFB1-579D-A168CC6030E2
treatment provided by	Plazi
scientific name	Chorinaeus Holmgren, 1858
status

Treatment

Chorinaeus Holmgren, 1858 View in CoL View at ENA

Chorinaeus Holmgren, 1856 ; 320. Type species: Exochus fimebris Gravenhorst.

Polyrhabdus Walsh, 1873: 98 . Type species: Polyrhabdus cariniger Walsh.

Diagnosis. Face and clypeus evenly convex ( Figs 1A, E View FIGURE 1 , 3A View FIGURE 3 ). Frons without longitudinal lamella between antennal sockets ( Figs 1B, C View FIGURE 1 , 3B, C View FIGURE 3 ). Occipital carina complete ( Figs 1E View FIGURE 1 , 3E View FIGURE 3 ). Mandible with upper tooth longer than lower tooth ( Figs 1D View FIGURE 1 , 3D View FIGURE 3 ). Upper margin of pronotum with a broad, weak impression ( Fig. 3F View FIGURE 3 ). Scutellum with lateral carina short to complete ( Figs 1F View FIGURE 1 , 2A View FIGURE 2 , 3F View FIGURE 3 , 4A View FIGURE 4 ). Mesopleural suture distinct ( Figs 1E View FIGURE 1 , 3E View FIGURE 3 ). Epicnemial carina present ( Figs 1E View FIGURE 1 , 3E View FIGURE 3 ). Metapleuron setose anteriorly ( Figs 1E View FIGURE 1 , 3E View FIGURE 3 ). Propodeum without anterior transverse carina ( Figs 2A View FIGURE 2 , 4A View FIGURE 4 ). Propodeal spiracle elliptic ( Figs 2B View FIGURE 2 , 4B View FIGURE 4 ). Fore and mid tarsal claws often pectinate. Hind tarsal claw usually simple, rarely pectinate. Fore wing without areolet ( Figs 2E View FIGURE 2 , 4E View FIGURE 4 ). First metasomal tergite with complete midlongitudinal and lateral carina ( Figs 2B–D View FIGURE 2 , 4B–D View FIGURE 4 ). Second metasomal tergite with complete midlongitudinal carina ( Figs 2D View FIGURE 2 , 4D View FIGURE 4 ), lateral carina short ( Figs 2B, C View FIGURE 2 ) to absent ( Figs 4B, C View FIGURE 4 ). Third metasomal tergite with midlongitudinal carina extending 0.7 × length of tergite ( Figs 2D View FIGURE 2 , 4D View FIGURE 4 ). Metasomal tergites without laterotergite ( Figs 2C View FIGURE 2 , 4C View FIGURE 4 ). Ovipositor slender ( Figs 2C View FIGURE 2 , 4C View FIGURE 4 ).