Canalopius
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Ordo: Hymenoptera
Familia: Braconidae
Name
Canalopius Wu & van Achterberg gen. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type species
Canalopiusperiscopus sp. n.
Etymology
From “canalis” (Latin for “groove, channel”) and the generic name Opius, because of the channel-like groove of the occiput. Gender: masculine.
Diagnosis
Vertex and occiput with very deep medial groove up to between posterior ocelli; vertex depressed near posterior ocelli; stemmaticum reversed “Y”- shaped, abruptly protruding and with anterior ocellus on anterior branch far above frons (Figs 1b–e, 5, 8); anterior ocellus close to level of antennal sockets and distance between anterior ocellus and posterior ocellus nearly twice distance between posterior ocelli; anterior ocellus on protruding crest; occipital carina entirely absent; mandible slightly twisted, its basal half dorsally and ventrally with fine carina, nearly straight ventrally, apically gradually narrowed and with second teeth much smaller than first tooth (Figs 2, 4); precoxal sulcus present medially; medio-posterior depression of mesoscutum absent; dorsal surface of propodeum narrow, coarsely crenulate in front of curved carina, and medio-longitudinal carina complete; vein 2-SR of fore wing present; base of hind tibia without carinula at inner side and setose; legs robust (Fig. 1a); dorsope absent; second slightly shorter than third tergite and both smooth; ovipositor sheath short, hardly protruding.
Distribution
Oriental (Vietnam).
Biology
Unknown.
Notes
The new genus will run in the key to world genera by Wharton (1997)[1] and the key to Chinese genera by Chen and Weng (2005)[2] to the genus Opius Wesmael, 1835; in the key by Fischer (1972)[3] it ends up at Desmiostoma Foerster, 1863, because of the absence of an occipital carina. In Li et al. (2013)[4] it runs to Rhogadopsis Brèthes, 1913, because of the venation and the medio-longitudinal carina of the propodeum. The new genus can be separated from all known genera as follows:
Original Description
- Wu, Q; Achterberg, C; Sheng, Y; Chen, X; 2018: A new genus from Vietnam (Hymenoptera, Braconidae, Opiinae), and the description of two new species Journal of Hymenoptera Research, (66): 1-13. doi
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Other References
- ↑ Wharton R (1997) Generic relationships of opiine Braconidae (Hymenoptera) parasitic on fruit-infesting Tephritidae (Diptera).Contributions of the American Entomological Institute30(3): 1–53.
- ↑ Chen J, Weng R (2005) Systematic studies on Opiinae of China (Hymenoptera: Braconidae). Fujian Science and Technology Publishing House, Fujian, 1–2, 1–9, 1–269.
- ↑ Fischer M (1972) HymenopteraBraconidae (Opiinae I). (Paläarktische Region).Das Tierreich91: 1–620.
- ↑ Li X, van Achterberg C, Tan J (2013) Revision of the subfamily Opiinae (Hymenoptera, Braconidae) from Hunan (China), including thirty-six new species and two new genera.ZooKeys268: 1–168. https://doi.org/10.3897/zookeys.268.4071
