Loboscelidia piriformis, Hisasue & Pham & Mita, 2023

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 : 43-47

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.8224926

persistent identifier

https://treatment.plazi.org/id/BFF0E445-90C3-4CFB-B3FE-5C6E866795DC

taxon LSID

lsid:zoobank.org:act:BFF0E445-90C3-4CFB-B3FE-5C6E866795DC

treatment provided by

Felipe

scientific name

Loboscelidia piriformis
status

sp. nov.

Loboscelidia piriformis sp. nov.

urn:lsid:zoobank.org:act:BFF0E445-90C3-4CFB-B3FE-5C6E866795DC

Figs 20 View Fig , 25N View Fig

Etymology

Named after the Latin ‘ piri ’, meaning ‘pear’, and ‘formis’, meaning ‘shape’, referring to the head shape.

Type material

Holotype VIETNAM • ♀; Thua Thien Hue Province, Bach Ma NP , 19 km point; 16.198° N, 107.860° E; 3–6 Aug. 2016; T. Mita and Y. Komeda leg.; YPT; VNMN. GoogleMaps

Description

Female ( Fig. 20A View Fig )

MEASUREMENTS. Body length 4.2 mm; forewing length 3.6 mm.

HEAD. Head ( Fig. 20B–D View Fig ) 1.9 times as long as high, 1.4 times as long as wide; inner ocular length 0.66 times as long as head width; frontal projection rectangular in frontal view ( Fig. 20B View Fig ); apical margion of frontal projection depressed ( Fig. 20B View Fig ); frons rugose, with low ridge extending from vertex along inner orbit of eye ( Fig. 20C View Fig ); frons with distinct carinae towards posterior ocelli ( Fig. 20C View Fig ); spraclypeal area with transverse carinae ( Fig. 20B View Fig ); temple 2.8 times as long as MOD ( Fig. 20C View Fig ); POL 1.1 times as long as MOD; OOL 2.0 times as long as MOD; LOL 0.43 times as long as MOD; behind ocelli without transverse depression ( Fig. 20C View Fig ); cervical expansion flattened in lateral view ( Fig. 20D View Fig ); basal part of cervical expansion constricted strongly in dorsal view ( Fig. 20C View Fig ); scape 3.0 times as long as wide; scape with longitudinal grooves; scape with transparent flange, as long as tubular part of scape, 0.36 times as wide as tubular part of scape; F1 1.2 times as long as wide; F2 as long as wide; F11 as long as wide; relative length of F1–F11: 2.3: 1.5: 1.1: 1.1: 1.1: 1.1: 1.0: 1.0: 1.0: 1.0: 1.8.

MESOSOMA. Pronotum 0.80 times as long as posterior width of pronotum ( Fig. 20E View Fig ); posterior width of pronotum 1.7 times as wide as anterior width and 1.2 times as wide as head width; dorsolateral surface of pronotum carinate ( Fig. 20A View Fig ); notauli of scutum slightly curved, reaching posterior margin ( Fig. 20F View Fig ); scutellum polished and punctured ( Fig. 20F View Fig ); apico-lateral area of scutellum without longitudinal grooves ( Fig. 20F View Fig ); scrobal sulcus absent ( Fig. 20A View Fig ); metanotum with four ridges, 0.44 times as long as scutellum; ( Fig. 20F View Fig ); propodeal angle weakly developed; propodeum without transverse carina above foramen.

WINGS. Forewing ( Fig. 20G View Fig ) with M curved; cu-a 0.20 times as long as R; A extending half of Cu+M; R1 0.50 times as long as R; Rs 2.8 times as long as R.

LEGS. Posterior portion of tibiae longitudinally carinate; flange on forefemur 0.47 times longer, 1.2 times wider than tubular part of forefemur; flange on foretibia 0.55 times longer, 0.57 times wider than tubular part of foretibia; flange on midfemur 0.51 times longer, 0.89 times wider than tubular part of midfemur; flange on midtibia 0.55 times longer, 1.2 times wider than tubular part of midtibia; hind coxa 1.5 times as long as hind trochanter; hindcoxa dorso-laterally carinate; basal part of hindfemur strongly producing; hindfemur basally stout, apparently wider than distal part; ventral margin of hindfemur flat; outer surface of hindfemur smooth; flange on hindfemur 0.55 times longer, 0.75 tubular part of hindfemur; flange on hindtibia 0.82 times longer, 1.4 times wider than tubular part of hindtibia; hind tarsal claw without median tooth ( Fig. 25N View Fig ).

PILOSITY. Frons with sparse decumbent cuneate setae ( Fig. 20C View Fig ); spraclypeal area with sparse decumbent and simple and cuneate setae ( Fig. 20B View Fig ); eye with sparse erect simple setae ( Fig. 20B View Fig ); lower gena with sparse decumbent and simple and cuneate setae cervical expansion with sparse decumbent cuneate setae ( Fig. 20D View Fig ); hypostoma with sparse decumbent cuneate setae; scape with sparse suberect and erect simple setae; pedicel with sparse suberect and erect simple setae; F1 with sparse suberect and erect simple setae; dorsal part of pronotum with sparse suberect and erect cuneate setae; lateral surface of pronotum with sparse suberect and erect cuneate setae ( Fig. 20A View Fig ); scutum with sparse decumbent and suberect cuneate setae ( Fig. 20F View Fig ); mesopleuron with sparse decumbent cuneate setae ( Fig. 20A View Fig ); tegula with sparse suberect and erect cuneate setae ( Fig. 20F View Fig ); scutellum with sparse decumbent and suberect cuneate setae ( Fig. 20F View Fig ); lateral surface of propodeum with sparse decumbent cuneate setae ( Fig. 20A View Fig ); forecoxa and foretrochanter with sparse decumbent and simple and cuneate setae; foretibia with dense suberect simple setae; midcoxa and midtrochanter with sparse decumbent simple and cuneate setae; midfemur with sparse decumbent and suberect simple and cuneate setae; midtibia with dense suberect simple setae; hindcoxa and hindtrochanter with sparse decumbent simple and cuneate setae; hindfemur with sparse decumbent and suberect simple and cuneate setae; hindtibia with dense suberect simple setae; lateral margin of T4 with sparse decumbent simple and cuneate setae.

COLORATION. Body reddish brown; antenna reddish brown; legs reddish brown; flanges yellowish brown; ribbon-like setae whitish yellow.

Male

Unknown.

Distribution

Vietnam (Central Vietnam) ( Fig. 29 View Fig ).

Remarks

This new species can easily distinguished from other species by the pear-shaped head in the dorsal view (diamond- or kite-shaped in other species).

VNMN

Vietnam National Museum of Nature

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Chrysididae

Genus

Loboscelidia

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