Rhadinobracon Szépligeti, 1906

Ranjith, A. P., Achterberg, Cornelis Van, Kumar, P. Girish & Priyadarsanan, Dharma Rajan, 2023, A new genus and two new species of Braconinae (Hymenoptera: Braconidae) from the Oriental region, Zootaxa 5374 (2), pp. 196-210 : 200-202

publication ID	https://doi.org/10.11646/zootaxa.5374.2.2
publication LSID	lsid:zoobank.org:pub:D5E69F1B-75DC-4C9D-A702-C7C92299EB2E
DOI	https://doi.org/10.5281/zenodo.10167914
persistent identifier	https://treatment.plazi.org/id/03BA0505-FFEA-FF8B-FF01-FA0A3BDEFEF5
treatment provided by	Plazi
scientific name	Rhadinobracon Szépligeti, 1906
status

Treatment

Rhadinobracon Szépligeti, 1906 View in CoL View at ENA

Rhadinobracon Szépligeti, 1906 View in CoL .Type-species: Iphiaulax traegardhi Szépligeti, 1904 .

Heliobracon Telenga, 1936 .Type-species: Heliobracon zarudnyi Telenga, 1936 . Synonymized by Quicke (1986).

Diagnosis. Head wider than long ( Figs 3B–C View FIGURE 3 , 5B–C View FIGURE 5 , 9C–D View FIGURE 9 ). Scape longer ventrally than dorsally ( Figs 3D View FIGURE 3 , 5D View FIGURE 5 , 9G, I, J View FIGURE 9 ). Medial flagellomeres wider than long ( Figs 3A View FIGURE 3 , 5A View FIGURE 5 , 9J View FIGURE 9 ). Terminal flagellomere laterally compressed, blunt apically ( Fig. 9H View FIGURE 9 ). Face rugose ( Figs 3B View FIGURE 3 , 5B View FIGURE 5 , 9C View FIGURE 9 ). Face and clypeus separated by crenulated transverse suture ( Figs 3B View FIGURE 3 , 5B View FIGURE 5 , 9C View FIGURE 9 ). Clypeus with apical carina ( Figs 3B View FIGURE 3 , 5B View FIGURE 5 , 9C View FIGURE 9 ). Malar space without distinct suture ( Fig. 3D View FIGURE 3 , 5D View FIGURE 5 , 9J View FIGURE 9 ). Mandible twisted ( Figs 3B View FIGURE 3 , 5B View FIGURE 5 , 9C View FIGURE 9 ). Maxillary and labial palps rather long ( Fig. 3D View FIGURE 3 , 5B, D View FIGURE 5 , 9J View FIGURE 9 ). Frons smooth, with shallow midlongitudinal groove ( Figs 3C View FIGURE 3 , 5C View FIGURE 5 , 9D View FIGURE 9 ). Base of ocellar triangle longer than its side ( Figs 3C View FIGURE 3 , 5C View FIGURE 5 , 9D View FIGURE 9 ). Vertex and occiput smooth ( Figs 3C View FIGURE 3 , 5C View FIGURE 5 , 9D View FIGURE 9 ). Lateral temple shorter than transverse diameter of eye ( Figs 3D View FIGURE 3 , 5D View FIGURE 5 , 9J View FIGURE 9 ). Mesosoma longer than high ( Figs 3E View FIGURE 3 , 5E View FIGURE 5 , 9J View FIGURE 9 ). Pronotum smooth ( Figs 3F View FIGURE 3 , 5F View FIGURE 5 , 9E View FIGURE 9 ). Mesoscutum smooth, sparsely setose ( Figs 3F View FIGURE 3 , 5F View FIGURE 5 , 9E View FIGURE 9 ). Middle lobe of mesoscutum more or less rounded anteriorly ( Figs 3F View FIGURE 3 , 5F View FIGURE 5 , 9E View FIGURE 9 ). Notaulus shallow anterior half, absent posteriorly ( Figs 3F View FIGURE 3 , 5F View FIGURE 5 , 9E View FIGURE 9 ). Scutellar lunules narrow, crenulated ( Figs 3F View FIGURE 3 , 5F View FIGURE 5 , 9E View FIGURE 9 ). Scutellum smooth glabrous ( Figs 3F View FIGURE 3 , 5F View FIGURE 5 , 9E View FIGURE 9 ). Mesopleuron smooth ( Figs 3E View FIGURE 3 , 5E View FIGURE 5 , 9J View FIGURE 9 ). Mesopleural sulcus smooth and shallow ( Figs 3E View FIGURE 3 , 5E View FIGURE 5 , 9J View FIGURE 9 ). Metanotum largely smooth, without midlongitudinal carina antero-medially ( Figs 3F View FIGURE 3 , 4A View FIGURE 4 , 5F View FIGURE 5 , 6A View FIGURE 6 , 9E View FIGURE 9 ). Metapleuron smooth ( Figs 3E View FIGURE 3 , 5E View FIGURE 5 , 9J View FIGURE 9 ). Propodeum smooth, sparsely setose, glabrous antero-medially ( Figs 4A View FIGURE 4 , 6A View FIGURE 6 ). Propodeal spiracle elongate ( Figs 3E View FIGURE 3 , 9J View FIGURE 9 ). Fore and hind wing with yellow patches ( Figs 4D–E View FIGURE 4 , 7B–C View FIGURE 7 ). Fore wing: Veins C+SC+R and 1RS forming an angle less than 45° ( Figs 4D View FIGURE 4 , 6B View FIGURE 6 , 9A View FIGURE 9 ). Vein (RS+M)a more or less straight ( Figs 4D View FIGURE 4 , 6B View FIGURE 6 , 9A View FIGURE 9 ). Vein 1cu-a interstitial ( Figs 4D View FIGURE 4 , 6B View FIGURE 6 , 9A View FIGURE 9 ). Second submarginal cell elongate ( Figs 4D View FIGURE 4 , 6B View FIGURE 6 , 9A View FIGURE 9 ). Hind wing: Vein C+SC+R with 1–3 hamules ( Fig. 7C View FIGURE 7 ). Vein R longitudinal ( Figs 4D View FIGURE 4 , 6B View FIGURE 6 , 9A View FIGURE 9 ). Fore tibia with stout spines ( Fig. 7D View FIGURE 7 ). Tarsal claws with rounded basal lobe ( Fig. 7E View FIGURE 7 ). Metasoma mostly longitudinally striated with seven tergites ( Figs 4C View FIGURE 4 , 5A View FIGURE 5 , 6C View FIGURE 6 , 9J View FIGURE 9 ). First metasomal tergite often longitudinally striated or smooth with midlongitudinal carina, with shallow midlongitudinal groove ( Figs 4B View FIGURE 4 , 6B View FIGURE 6 , 9F View FIGURE 9 ). Second metasomal tergite with a wide triangular midbasal area, with posteriorly converging crenulated, wide depression ( Figs 4C View FIGURE 4 , 7A View FIGURE 7 , 9F View FIGURE 9 ). First metasomal suture smooth ( Figs 4B–C View FIGURE 4 , 6B View FIGURE 6 , 7A View FIGURE 7 , 9F View FIGURE 9 ). Second metasomal suture wide, sinuate medially, crenulated ( Figs 4C View FIGURE 4 , 7A View FIGURE 7 , 9F View FIGURE 9 ). Metasomal tergites 3–5 with anterolateral area ( Figs 4C View FIGURE 4 , 7A View FIGURE 7 , 9F View FIGURE 9 ). Third and fourth metasomal tergites sculptured ( Figs 4C View FIGURE 4 , 7A View FIGURE 7 , 9F View FIGURE 9 ). Fifth metasomal tergite smooth ( Fig. 7A View FIGURE 7 ) or longitudinally striated ( Figs 4C View FIGURE 4 , 9F View FIGURE 9 ). Metasomal tergites 6–7 often smooth ( Figs 4C View FIGURE 4 , 6C View FIGURE 6 , 9F View FIGURE 9 ). Hypopygium extend past metasomal apex ( Figs 3A View FIGURE 3 , 6C View FIGURE 6 , 9J View FIGURE 9 ). Ovipositor sheath setose distinctly longer than body ( Figs 3A View FIGURE 3 , 5A View FIGURE 5 , 9L–M View FIGURE 9 ). Ovipositor with distinct dorsal nodus and ventral serrations ( Figs 8A View FIGURE 8 , 9M View FIGURE 9 ). Hypopygium with parameres setose apically ( Fig. 8B View FIGURE 8 ). Basal ring acute posteriorly ( Fig. 8B View FIGURE 8 ). Digitus glabrous ( Fig. 8B View FIGURE 8 ). Volsella with long baso-lateral lobe ( Fig. 8B View FIGURE 8 ). Aedeagus narrow subapically ( Fig. 8B View FIGURE 8 ).

Distribution. Afrotropical, Palaearctic and Oriental regions ( Yu et al. 2016; present study).

Host. Unknown.

Key to species of Rhadinobracon Szépligeti, 1906 View in CoL View at ENA

1. Pterostigma black, except for yellowish base ( Figs 4D View FIGURE 4 , 7B View FIGURE 7 ).................................................... 2

- Pterostigma yellow or brownish yellow, except for darkened apex............................................... 7

2. Ovipositor sheath approx. 1.8 × as long as body; [head black, with face ventrally reddish brown; palpi brown]; Namibia.............................................................................. R. ruficauda (Enderlein, 1920) View in CoL

- Ovipositor sheath 1.2–1.6 × as long as body................................................................ 3

3. Basal half of fore wing largely subhyaline ( Figs 4D View FIGURE 4 , 7B View FIGURE 7 ); Oriental and Palaearctic.................................. 4

- Basal half of fore wing entirely dark brown; Afrotropical...................................................... 6

4. Fifth metasomal tergite entirely smooth ( Fig. 7A View FIGURE 7 ); head only dorsally black ( Fig. 5C View FIGURE 5 ); first metasomal tergite with distinct medial pit ( Fig. 6B View FIGURE 6 ); medio-basal area of second metasomal tergite more than 0.5 × as long as tergite, distinctly longitudinally striate ( Fig. 7A View FIGURE 7 ); second metasomal tergite smooth postero-laterally ( Fig. 7A View FIGURE 7 ); Oriental: India... R. nitidus Ranjith , sp. nov.

- Fifth metasomal tergite striate-rugose at least medially ( Fig. 4C View FIGURE 4 ); head almost completely black ( Figs 3B–D View FIGURE 3 ); first metasomal tergite without medial pit ( Fig. 4B View FIGURE 4 ); medio-basal area of second metasomal tergite less than 0.5 × as long as tergite, smooth ( Fig. 4C View FIGURE 4 ) or moderately scultured ( Fig. 9F View FIGURE 9 ); second metasomal tergite longitudianally striate postero-laterally ( Figs 4C View FIGURE 4 , 9F View FIGURE 9 )..... 5

5. Medio-basal area of second metasomal tergite moderately longitudinally striate; fifth metasomal tergite medially striate-rugose; mesosoma 1.8 × as long as high; second tergite with black markings; Palaearctic: Iran, Israel... R. zarudnyi (Telenga, 1936)

- Medio-basal area of second metasomal tergite smooth ( Fig. 4C View FIGURE 4 ); fifth metasomal tergite entirely striate-rugose ( Fig. 4C View FIGURE 4 ); mesosoma 1.5 × as long as high; second tergite without black markings ( Fig. 4C View FIGURE 4 ); Oriental: India................................................................................................... R. levigatus Ranjith , sp. nov.

6. Mesosoma entirely reddish yellow; head only dorsally more or less black; ovipositor sheath approx. 1.2 × as long as body; Sudan..................................................................... R. traegardhi (Szépligeti, 1904)

- Mesosoma with extensive black pattern; head largely black or brownish; ovipositor sheath approx. 1.4 × as long as body; South Africa, Zimbabwe....................................................... R. duodecimfasciatus Cameron, 1904 View in CoL

7. Fifth metasomal tergite rugose; basal half of fore wing partly pale brown; [mesosoma reddish; hind leg brownish yellow; ovipositor sheath length unknown (only ♁ known); notauli distinctly impressed anteriorly; veins 3-SR and SR1 of fore wing curved; South Africa.......................................................... R. bicostatus ( Szépligeti, 1906) View in CoL

- Fifth metasomal tergite smooth; basal half of fore wing dark brown............................................. 8

8. Ovipositor sheath 1.6–1.7 × as long as body................................................................ 9

- Ovipositor sheath 1.2–1.4 × as long as body............................................................... 10

9. Mesosoma entirely red; ventral half of head black; [syn.: R. kinsembo (Dalla Torre, 1898) View in CoL ]; Angola, Namibia............................................................................................ R. bellosus (Smith, 1870) View in CoL

- Mesosoma with black pattern; ventral half of head yellowish; Mozambique, South Africa........ R. rosa (Cameron, 1909) View in CoL

10. Vein 3-SR of fore wing approx. as long as vein SR1; mesoscutum nearly entirely black; [first metasomal tergite approx. as long as wide apically]; Tanzania...................................................... R. africanus (Szépligeti, 1911) View in CoL

- Vein 3-SR of fore wing shorter than vein SR1; mesoscutum usually reddish brown or largely so...................... 11

11. Upper part of face black; ovipositor sheath approx. 1.3 × as long as body; first metasomal tergite approx. 1.5 × as long as wide apically; South Africa........................................................................................................................................................... R. rubrilineatus (Cameron, 1904) View in CoL

- Upper part of face yellow; ovipositor sheath 1.4–1.5 × as long as body; first metasomal tergite approx. 0.7 × as long as wide apically; [mesosoma reddish brown; fore leg black or dark brown]; Mozambique, South Africa, Tanzania; [syn.: R. australis (Roman, 1910) with mesoscutum black and metasoma largely red]................... R. zanzibaricus ( Szépligeti, 1906) View in CoL