Paradelius striatus Ranjith, 2024

Ranjith, A. P. & Butcher, Buntika A., 2024, First record of the adeliine genus Paradelius de Saeger, 1942 (Hymenoptera: Braconidae) from India with the description of two new species, Zootaxa 5463 (4), pp. 573-580 : 577-579

publication ID	https://doi.org/ 10.11646/zootaxa.5463.4.7
publication LSID	lsid:zoobank.org:pub:8D1F2F7C-1907-4290-8B04-53BD73E0AB02
DOI	https://doi.org/10.5281/zenodo.11612922
persistent identifier	https://treatment.plazi.org/id/03F2DB26-CD53-B011-FF0F-689E43ED477A
treatment provided by	Plazi
scientific name	Paradelius striatus Ranjith
status	sp. nov.

Treatment

Paradelius striatus Ranjith sp. nov.

http://zoobank.org/ urn:lsid:zoobank.org:act:D5358AF6-A5BC-4F85-A8D1-9381A057A7CC

( Figs 3–4 View FIGURE 3 View FIGURE 4 )

Material examined. Holotype, male, INDIA: Kerala, Kozhikode, Malabar Botanical Garden , 11.143373 N, 75.494083 E, 16 Jan 2023, V. Mithun leg., Malaise trap ( AIMB) GoogleMaps . Paratypes, 5 males with same data as holotype ( AIMB) GoogleMaps .

Description. Holotype, male.

Body length 1.8 mm, fore wing 1.4 mm.

Head.Antenna with 22 antennomeres ( Fig. 3A View FIGURE 3 ). Scape 1.7 × as long as maximum width. Pedicel as long as wide ( Fig. 3A View FIGURE 3 ). Third antennomere 1.5 × as long as fourth antennomere. Third, fourth and terminal antennomeres 2.3, 2.2 and 2.2 × as long as maximum width respectively. Head 1.3, 1.7 × as wide as long in anterior view and dorsal view respectively. Face faintly transverse striate, smooth medio-posteriorly, setose, 1.2 × as wide as long ( Fig. 3B View FIGURE 3 ). Ratio of height of clypeus: intertentorial distance: tentorio-ocular distance = 1.1: 1.4: 1.0. Length of malar space 1.4 × basal width of mandible. Length of eye 3.0 × as long as temple in dorsal view. Frons with a midlongitudinal carina, faintly rugose laterally ( Fig. 3C View FIGURE 3 ). Vertex and occiput faintly rugose, setose ( Fig. 3C View FIGURE 3 ). Ratio of POL: OD: OOL= 1.7: 1.0: 2.5.

Mesosoma. Mesosoma 1.4 × as long as high. Mesosoma dorso-ventrally flattened. Pronotum crenulate laterally ( Fig. 3D View FIGURE 3 ). Propleural lobe present ( Fig. 3D View FIGURE 3 ). Mesoscutum faintly rugose-punctate, setose ( Fig. 3E View FIGURE 3 ). Notauli impressed only anteriorly ( Fig. 3E View FIGURE 3 ). Scutellar sulcus more or less straight, crenulated divided by 8 crenulae ( Fig. 3E View FIGURE 3 ). Scutellum punctate, setose ( Figs 3E, F View FIGURE 3 ). Lateral sides of scutellum distinctly crenulate ( Fig. 3F View FIGURE 3 ). Metanotum smooth medially, crenulated ( Fig. 3F View FIGURE 3 ). Mesopleuron smooth ( Fig. 3D View FIGURE 3 ). Precoxal sulcus long, smooth, crenulate ( Fig. 3D View FIGURE 3 ). Sternaulus impressed, crenulated ( Fig. 3D View FIGURE 3 ). Metapleuron striate with distinct medial pit ( Figs 3D View FIGURE 3 , 4A View FIGURE 4 ). Propodeum with distinctly marginated faintly sculptured areas ( Fig. 3F View FIGURE 3 ). Propodeum slightly curved in lateral view, not differentiated into anterior and posterior part ( Fig. 3D View FIGURE 3 ). Transverse carina indistinct medially ( Fig. 3F View FIGURE 3 ). Posterior side of propodeum with distinct transverse carina ( Fig. 3F View FIGURE 3 ). Propodeal areola hexagonal, faintly rugulose, 1.6 × as long as maximum width ( Fig. 3F View FIGURE 3 ).

Wings. Fore wing ( Fig. 4C View FIGURE 4 ): Fore wing infuscated below pterostigma ( Fig. 4C View FIGURE 4 ). Pterostigma 2.5 × as long as wide. Vein 1-R1 as long as pterostigma. Vein m-cu 0.2 × as long as vein 1-M. Vein M+CU distinctly curved. Vein cu-a postfurcal. Vein r absent. Vein r-m absent. Hind wing ( Fig. 2D View FIGURE 2 ): ratio of veins M+CU: 1-M: 1r-m = 2.6: 1.2: 1.0.

Legs. Hind femur, tibia and basitarsus 2.8, 4.6 and 4.5 × as long as maximum width, respectively.

Metasoma. Metasoma 0.7 × as long as head and mesosoma combined. First tergite rugose anterior half, longitudinally striate-rugose posterior half, 1.5 × as wide as long, setose ( Fig. 4B View FIGURE 4 ). Second tergite indistinctly longitudinally striate 2.3 × as wide as long, setose ( Fig. 4B View FIGURE 4 ). Third tergite sculptured basally ( Fig. 4B View FIGURE 4 ). Metasomal tergites 4–6 smooth, setose ( Fig. 4B View FIGURE 4 ). First and second metasomal suture present, crenulate ( Fig. 4B View FIGURE 4 ).

Color. Body yellow except eye grey, ocellar triangle, pronotum laterally, propleuron, mesopleuron, metapleuron, scutellum, propodeum medially, pterostigma, tarsal claw, metasomal tergites brown.

Female. Unknown.

Biology. Unknown.

Distribution. India (Kerala).

Etymology. The species is named after the striated metapleuron.

Comparative diagnosis. The new species comes close to P. flavus sp. nov. (see comparative diagnosis of P. flavus sp. nov.). Based on the presence of medial transverse carina on propodeal areola and basally sculptured third metasomal tergite it shows similarity with the Afrotropical species, P. ghesquierei , but P. striatus can be distinguished from P. ghesquierei by having 22 antennomeres (20 in P. ghesquierei ), metapleuron striate (smooth medially in P. ghesquierei ), and frons with midlongitudinal carina (without carina in P. ghesquierei ).