Barycnellus, Khalaim & Ward, 2018

Khalaim, Andrey I. & Ward, Darren F., 2018, Tersilochinae (Hymenoptera: Ichneumonidae) from New Zealand. Part 1. Generic key and three new genera, Zootaxa 4425 (1), pp. 41-77 : 56

publication ID

https://doi.org/ 10.11646/zootaxa.4425.1.3

publication LSID

lsid:zoobank.org:pub:BBAFBFC5-9A0B-4519-AB75-DF1EBB702D7C

DOI

https://doi.org/10.5281/zenodo.5978601

persistent identifier

https://treatment.plazi.org/id/03AD87D5-5263-364C-BBF7-CB05FA46F2A1

treatment provided by

Plazi

scientific name

Barycnellus
status

gen. nov.

Key to species of Barycnellus

1. Fore wing with 2m-cu vein postfurcal ( Fig. 14 View FIGURES 10–15 ). Head, in dorsal view, weakly transverse ( Fig. 67 View FIGURES 65–71 ). Antennae entirely orangebrown or brown, with 21–23 flagellomeres ( Fig. 65 View FIGURES 65–71 ). Ovipositor very short, with apex very thin and strongly upcurved ( Fig. 68 View FIGURES 65–71 ), its sheath about 0.35× as long as hind tibia............................................. B. cuvierensis sp. nov.

- Fore wing with 2m-cu vein antefurcal or interstitial, sometimes vein is virtually absent ( Fig. 12, 13, 15 View FIGURES 10–15 , 16 View FIGURES 16–20 ). Head, in dorsal view, strongly transverse. Antennae dark brown or blackish, with 14–22 flagellomeres. Ovipositor weakly upcurved to almost straight ( Figs 64 View FIGURES 59–64 , 75 View FIGURES 72–79 , 81 View FIGURES 80–87 ), its sheath 1.5–1.6× longer than hind tibia.............................................. 2

2. Head, in lateral view, with antennae inserted well below level of centre of head, and eyes strongly displaced ventrally ( Figs 63 View FIGURES 59–64 , 78 View FIGURES 72–79 ). Flagellum short and thick, usually slightly clavate, with 14–18 flagellomeres ( Figs 61 View FIGURES 59–64 , 79 View FIGURES 72–79 ). Hind leg robust, with femur 2.7–3.2× as long as broad ( Fig. 80 View FIGURES 80–87 )........................................................................ 3

- Head, in lateral view, with antennae inserted at, or slightly below level of centre of head, and eyes less displaced ventrally ( Figs 60 View FIGURES 59–64 , 71 View FIGURES 65–71 ). Flagellum slender, more or less filiform, with 17–22 flagellomeres ( Figs 59 View FIGURES 59–64 , 69 View FIGURES 65–71 ). Hind leg slender, with femur 3.5–3.8× as long as broad ( Fig. 74 View FIGURES 72–79 )........................................................................ 4

3. Head, in lateral view, subrectangular, strongly flattened frontally, and 1.9× as high as broad (from lower margin of clypeus to top of head) ( Fig. 63 View FIGURES 59–64 ). Mesosoma very strongly compressed laterally, with mesoscutum, in dorsal view, 0.55× as broad as head ( Fig. 62 View FIGURES 59–64 ). Ovipositor weakly and evenly upcurved ( Fig. 64 View FIGURES 59–64 )..................................... B. conlisus sp. nov.

- Head, in lateral view, globose, rounded frontally, and 1.5× as high as broad (from lower margin of clypeus to top of head) ( Fig. 78 View FIGURES 72–79 ). Mesosoma less strongly compressed laterally, with mesoscutum, in dorsal view, 0.65× as broad as head ( Fig. 77 View FIGURES 72–79 ). Ovipositor almost straight and the apex strongly upcurved ( Fig. 81 View FIGURES 80–87 ).................................... B. robustus sp. nov. 71). Flagellum with 17–18 flagellomeres.................................................... B. globosus sp. nov. - Frons shagreened ( Fig. 59 View FIGURES 59–64 ). Head, in lateral view, with antennae inserted slightly below the level of the centre of head ( Fig. 60 View FIGURES 59–64 ). Flagellum usually with 20–22 flagellomeres, rarely with 19 flagellomeres.................. B. aucklandellus sp. nov.

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