Loboscelidia Westwood, 1874

Hisasue, Yu, Pham, Thai-Hong & Mita, Toshiharu, 2023, Taxonomic revision of the genus Loboscelidia Westwood, 1874 (Hymenoptera: Chrysididae: Loboscelidiinae) from Vietnam, European Journal of Taxonomy 887 (1), pp. 1-68 : 3-5

publication ID	https://doi.org/10.5852/ejt.2023.887.2203
publication LSID	lsid:zoobank.org:pub:788AE14A-0698-4C42-819C-BC2412F76FCA
DOI	https://doi.org/10.5281/zenodo.8224894
persistent identifier	https://treatment.plazi.org/id/03BAC057-6E3C-3620-9762-FD18FE258B09
treatment provided by	Felipe (2023-08-07 19:45:58, last updated 2024-11-26 05:02:31)
scientific name	Loboscelidia Westwood, 1874
status

Treatment

Genus Loboscelidia Westwood, 1874 View in CoL View at ENA

Loboscelidia Westwood, 1874: 171 View in CoL .

Type species: Loboscelidia rufescens Westwood, 1874: 172 View in CoL .

Loboscelidoidea View in CoL (sic!) Rye, 1876: 365. Invalid emendation of Loboscelidia View in CoL .

Laccomerista Cameron, 1910: 21 View in CoL . Type species: Laccomerista rufescens Cameron, 1910: 22 View in CoL (= Loboscelidia nixoni Day, 1978: 29 View in CoL ]. Synonymized by Evans 1964: 17.

Scelidoloba Maa & Yoshimoto, 1961: 529 View in CoL . Type species: Scelidoloba antennata Fouts, 1922 . Synonymized by Day 1978: 29.

Diagnosis

Frontal projection rectangular or triangular in frontal view; behind ocelli with or without transverse depression; cervical expansion trapezoid or cuboid in dorsal view, convex or flattened in lateral view; ribbon-like setae extending from adjacent to eye to apex of cervical extension of head; scape 2–4.5 times as long as wide, usually with flange on ventral margin; F11 about as long as F2 (males); F2–10 as wide as or wider than long (females); F11 flattened (females) or cylindrical (males); lateral margin of pronotum parallel or more commonly diverging posteriorly in dorsal view; dorsolateral surface of pronotum carinate or rounded; mesopleuron usually with scrobal sulcus; scutum usually with notauli; notauli usually reaching posterior margin; scutellum trapezoid or subtriangular; forewing A vein present, usually cu-a vein present, venation extending 0.3–0.5 times as long as forewing length; femora and tibiae usually with transparent flange; dorsolateral surface of hindcoxa usually with carinae.

Description

HEAD. Head shape kite-like or rhomboid; frontal projection rectangular or triangular in frontal view; frons granulate or smooth, usually with low ridge extending from vertex along inner eye margin; frons usually without carinae and wrinkles towards median ocellus, usually without frontal line; spraclypeal area usually with transverse carinae; apical margin of mandible acute (female) or rounded (male); temple shorter or longer than MOD; POL longer or as long as MOD; OOL longer than MOD; LOL usually shorter than half of MOD; behind ocelli with or without transverse depression; cervical expansion trapezoid or cuboid in dorsal view and convex or flattened in lateral view; scape usually with longitudinal grooves; scape 2–4.5 times as long as wide, usually with a flange on ventral surface; F2–10 1.5–3.0 times as long as wide, F11 about as long as F2 (males); F2–10 as wide as or wider than long (females); F11 flattened (females) or cylindrical (males).

MESOSOMA. Mesosoma polished; anterior margin of pronotum usually linear, sometimes depressed; dorsolateral surface of pronotum carinate or rounded; notauli conversing posteriorly or parallel, usually reaching posterior margin; tegula very large, covering both wing bases and extending back to posterior margin of scutellum; scutellum punctured and rugose or smooth, usually with lateral carinae; metanotum with or without medial ridge; mesopleuron usually with scrobal sulcus, strongly or weakly depressed; propodeum usually slightly rounded in lateral view, with propodeal angle, usually without transverse carina above foramen; upper area of propodeum usually without transverse carina.

LEGS. Legs usually polished; femora with flanges; tibiae with or without flanges; dorsolateral surface of tibiae usually with longitudinal carinae; dorsolateral surface of hindcoxa usually with longitudinal carinae, rarely absent; shape of hind femur variable, basally stout, apparently wider than distal part ( Fig. 2A View Fig ), or moderately stout, as wide as distal part ( Fig. 2B View Fig ), or simple and not stout, as wide as distal part ( Fig. 2C–D View Fig ); outer margin of hindfemur usually flat ( Fig. 2A–B, D View Fig ), rarely swollen in median part ( Fig. 2C View Fig ); ventral margin of hindfemur usually flat ( Fig. 2A–B View Fig ), sometimes swollen ( Fig. 2C–D View Fig ); tarsal claw of hindleg usually with a median tooth ( Fig. 25A–H, J–K, M–Q View Fig ), rarely without tooth ( Fig. 25I, L View Fig ); median tooth usually not extending half of tarsal claw ( Fig. 25A, C–H, M–O, Q View Fig ).

WINGS. Forewing membrane usually maculate, with A, Cu+M, M, R1, R, cu-a, and Rs vein ( Fig. 3A–B View Fig ); forewing venation developed to half of forewing ( Fig. 3A View Fig ); A usually half as long as Cu+M ( Figs 4G View Fig , 10E View Fig ), sometimes as long as Cu+M; M usually curved ( Fig. 3A View Fig ), rarely straight or M vein absent (e.g., L. fulgens Kimsey, 2012 , L. reducta Maa & Yoshimoto, 1961 ); R1 usually 0.3–1.0 times as long as R, rarely absent; cu-a usually 0.4–1.0 times as long as R ( Figs 5G View Fig , 7F View Fig ), sometimes absent ( Figs 12E View Fig , 17G View Fig , 21F View Fig ); Rs usually more than 2.5 times as long as R.

METASOMA. Metasoma polished; five visible segments in males. Females similar to male, four segments visible.

PILOSITY. Eye usually without setae, rarely with sparse erect simple or scale-like setae; frontal projection usually with dense erect simple setae, sometimes with cuneate or scale-like setae; clypeus usually with sparse erect simple setae; lower gena with sparse suberect simple or cuneate setae; gena with ribbon-like setae; temple usually with sparse simple setae, sometimes with cuneate setae; cervical expansion with sparse simple setae and ribbon-like setae; antenna with sparse simple or cuneate setae; anterolateral margin of pronotum with ribbon-like setae, longer than those on gena; dorsal surface of pronotum usually with sparse simple or suberect cuneate setae, rarely with forked setae; propleuron sometimes with cuneate setae; scutum with sparse simple or suberect cuneate setae; tegula usually with sparse simple or cuneate setae, rarely with forked setae; mesopleuron usually with sparse cuneate setae; metanotum rarely with forked setae; propodeum with sparse simple setae or suberect cuneate setae in lateral view; apical half of coxae with sparse suberect simple or cuneate setae; femora usually with sparse simple and cuneate setae; tibiae with dense simple or cuneate setae.

Distribution

Australia; Brunei; China (Mainland China, Hainan Island); India; Indonesia (Borneo Island, Java Island, Sula Islands, Sulawesi Island); Japan (Iriomote Island); Laos; Malaysia (Malay Peninsula, Borneo Island); Papua New Guinea (New Guinea, New Britain Island); Philippines (Basilan Island, Luzon Island, Mentawai Islands, Mindanao Island, Palawan Island, Sibuyan Island); Singapore; Sri Lanka; Taiwan; Thailand; Vietnam.

Host

Acrophylla sp. ( Phasmatidae : Phasmatinae) ( Riek 1970); Anchiale austrotessulata Brock & Hasenpusch, 2007 (as Ctenomorphodes tessulata (Gray, 1835)) ( Phasmatidae : Phasmatinae) ( Hadlington & Hoschke 1959; Heather 1965).

References

Cameron P. 1910. Description of a new genus and species of Oxyura (Hymenoptera) from Kuching, Borneo. The Entomologist 43: 21 - 23.

Day M. C. 1978. The affinities of Loboscelidia Westwood. Systematic Entomology 4: 21 - 30. https: // doi. org / 10.1111 / j. 1365 - 3113.1979. tb 00608. x

Evans H. E. 1964. A synopsis of the American Bethylidae (Hymenoptera: Aculeata). Bulletin of the Museum of Comparative Zoology, Harvard University 132: 1 - 222. Available from https: // www. biodiversitylibrary. org / page / 4315704 [accessed 28 Jun. 2023].

Fouts R. M. 1922. New parasitic Hymenoptera from the Oriental islands. The Philippine Journal of Science 20: 619 - 637. https: // doi. org / 10.5281 / zenodo. 26811

Hadlington P. & Hoschke F. 1959. Observations on the Ecology of the Phasmatid Ctenomorphodes tessulatus (Gray). Proceedings of the Linnaean Society of New South Wales 84: 146 - 159.

Heather N. W. 1965. Occurrence of Cleptidae (Hymenoptera) parasites in eggs of Ctenomorphodes tessulatus (Gray) (Phasmida: Phasmidae) in Queensland. Journal of the Entomological Society of Queensland 4: 86 - 87.

Kimsey L. S. 2012. Review of the odd chrysidid genus Loboscelidia Westwood, 1874 (Hymenoptera, Chrysididae, Loboscelidiinae). ZooKeys 213: 1 - 40. https: // doi. org / 10.3897 / zookeys. 213.2985

Maa T. C. & Yoshimoto C. M. 1961. Loboscelidiidae, a new family of Hymenoptera. Pacific Insects 3: 523 - 548.

Riek E. F. 1970. The Insects of Australia. Hymenoptera. Loboscelidiidae. Melbourne University Press, Melbourne.

Rye E. C. 1876. Insecta. In: Rye E. C. (ed.) The Zoological Record for 1874; being the volume thirteenth of the Record of Zoological Literature. John van Voorst, London.

Westwood J. O. 1874. Thesaurus Entomologicus Oxoniensis. Clarendon Press, Oxford. https: // doi. org / 10.5962 / bhl. title. 14077

Figures

Fig. 2. Hindfemora of Loboscelidia Westwood, 1874. A. L. vietnamensis sp. nov. B. L. parallela sp. nov. C. L. fulgens Kimsey, 2012. D. L. mediata sp. nov.

Fig. 25. Hind tarsal claw of Loboscelidia Westwood, 1874. A. L. bachmaensis sp. nov. B. L. barbata sp. nov. C. L. cilia sp. nov. D. L. convexa sp. nov. E. L. cucphuongensis sp. nov. F. L. cuneata sp. nov. G. L. do sp. nov. H. L. flavipes sp. nov. I. L. fulgens Kimsey, 2012. J. L. glabra sp. nov. K. L. komedai sp. nov. L. L. mediata sp. nov. M. L. parallela sp. nov. N. L. piriformis sp. nov. O. L. squamosa sp. nov. P. L. vang sp. nov. Q. L. vietnamensis sp. nov.

Fig. 3. Forewing venation of Loboscelidia Westwood, 1874. A. L. barbata sp. nov. B. L. fulgens Kimsey, 2012.

Fig. 4. Loboscelidia bachmaensis sp. nov., holotype, ♂ (VNMN). A. Lateral habitus. B. Head, frontal view. C. Head, dorsal view. D. Head, lateral view. E. Mesosoma, dorsal view. F. Pronotum, dorsal view. G. Forewing. Scale bars: A, G = 0.5 mm; B–F = 0.2 mm.

Fig. 10. Loboscelidia defecta Kieffer, 1916, ♂ (USNM). A. Lateral habitus. B. Head, dorsal view. C. Head, lateral view. D. Pronotum, dorsal view. E. Mesosoma, dorsal view. F. Forewing. Not to scale.

Fig. 5. Loboscelidia barbata sp. nov., holotype, ♂ (VNMN). A. Lateral habitus. B. Head, frontal view. C. Head, dorsal view. D. Head, lateral view. E. Pronotum, dorsal view. F. Mesosoma, dorsal view. G. Forewing. Scale bars: A = 1 mm; B–G = 0.5 mm.

Fig. 7. Loboscelidia convexa sp. nov., holotype, ♂ (VNMN). A. Lateral habitus. B. Head, frontal view. C. Head, dorsal view. D. Head, lateral view. E. Pronotum, dorsal view. F. Mesosoma, dorsal view. G. Forewing. Scale bars = 0.5 mm.

Fig. 12. Loboscelidia flavipes sp. nov., holotype, ♂ (VNMN). A. Lateral habitus. B. Head, frontal view. C. Head, dorsal view. D. Head, lateral view. E. Pronotum, dorsal view. F. Mesosoma, dorsal view. G. Forewing. Scale bars: A, E–G = 0.5 mm; B–D = 0.2 mm.

Fig. 17. Loboscelidia mediata sp. nov., holotype, ♂ (VNMN). A. Lateral habitus. B. Head, dorsal view. C. Head, frontal view. D. Head, lateral view. E. Pronotum, dorsal view. F. Mesosoma, dorsal view. G. Forewing. Scale bars: A, D–G = 0.5 mm; B–C = 0.2 mm.

Fig. 21. Loboscelidia reducta Maa & Yoshimoto, 1961, paratype, ♂ (USNM). A. Lateral habitus. B. Head, dorsal view. C. Head, frontal view. D. Pronotum, dorsal view. E. Mesosoma, dorsal view. F. Forewing. Not to scale.