Retusigaster pulawskii Kang, 2022

Kang, Ilgoo, 2022, Three new species of Retusigaster Dangerfield, Austin & Whitfield, 1999 (Hymenoptera, Braconidae, Cardiochilinae) with an illustrated key to the New World species, ZooKeys 1092, pp. 47-62 : 47

Retusigaster pulawskii Kang sp. nov.

Fig. 2A-G

Material examined.

Holotype Jamaica: ♀; Port Henderson , Catherine Parish; 16.xi.1986; W. J. Pulawski . Holotype will be deposited in CAS.

Diagnosis.

Retusigaster pulawskii sp. nov. is most similar to R. albopilosus . The following characters can distinguish the new species from other species of Retusigaster : precoxal sulcus not reaching posterior margin of mesopleuron (Fig. 2G ); fore tibia entirely pale (Fig. 2A ); fore wing apically infuscate (Fig. 2E ); transverse carina of propodeum reaching lateral margin (Figs 2D , 2F ); stigma entirely dark (Fig. 2E ); hind femur entirely pale (Fig. 2A ); metasoma mostly dark (Fig. 2B ); T1 laterally orange (Fig. 2D ); Y-shaped suture of T1entirely smooth (Fig. 2D ); T2 medially orange (Fig. 2D ).

Description.

Body ~ 4.69 mm. Head: Antenna 37-segmented. Face width ~ 1.28 × longer than its height (73:57). Interantennal space with median carina. Width of anterior ocellus ~ 0.92 × longer than POL (11:12). Eye seemingly without interommatidial setae; median width of eye ~ 0.97 × longer than the median width of gena in lateral view (31:32). Gena extended ventroposteriorly into weak prominence. Clypeus ~ 2.25 × longer than its height (54:24); clypeal tubercles absent. Mandible bidentate. Maxillary palpus five-segmented. Labial palpus four-segmented. Galea short. Glossa short. Occipital carina absent. Mesosoma: Notauli entirely crenulate, strongly crenulate posteriorly. Scutellar sulcus ~ 0.44 × longer than width (19:43), with three carinae. Postscutellar depression finely crenulate. Pronotum dorsally crenulate and posteriorly rugulose. Mesopleulon mostly smooth, posterior margin strongly crenulate; precoxal sulcus crenulate not reaching posterior margin; epicnemial carina absent; episternal scrobe present. Metapleuron anteriorly smooth and posteriorly rugulose. Propodeum strongly rugulose, ~ 0.36 × longer than its median width (36:100); propodeal areola heart-shaped, ~ 1.17 × longer than its maximum width (27:23); transverse carina reaching lateral margin. Legs: Basal spur on fore tibia ~ 0.58 × longer than length of basitarsus (19:33). Basal spur on mid tibia ~ 0.63 × longer than length of basitarsus (30:48). Hind tibia without apical cup-like projection; basal spur on hind tibia ~ 0.64 × longer than length of basitarsus (47:74); claws pectinate. Wings: Fore wing ~ 4.14 mm; second submarginal cell trapezoid, ~ 3.20 × longer than height (80:25); 1r absent; 3r absent; RS evenly curved; pterostigma ~ 2.89 × longer than wide medially (81:28). Hind wing ~ 3.43 mm; 2r-m absent; 2-1A basally present. Metasoma: T1 ~ 1.32 × longer than its posterior width (66:50), anteriorly with lateral carina; Y-shaped suture of T1entirely smooth. T2 ~ 0.34 × longer than its posterior width (36:105), ~ 0.95 × longer than T3 (36:38). T3 ~ 0.36 × longer than its posterior width (38:106). Hypopygium without median longitudinal fold. Protruded ovipositor sheath ~ 0.27 × longer than length of hind basitarsus (20:74), apically with short setae. Color: Body mostly dark brown. Fore wing apically infuscate; stigma entirely dark. The following areas orange: fore tibia; all femora, basal mid and hind tibiae; medial and lateral T1; medial T2.

Etymology.

Named in honor of Dr Wojciech Jerzy Pulawski, Curator of Entomology, Emeritus, at CAS, the person who collected the specimen from Jamaica.

Biology.

Unknown.

Distribution.

Retusigaster pulawskii sp. nov. is known from a single female specimen collected in Jamaica.

Figures

Figure 2. Retusigaster pulawskii sp. nov. A lateral habitus B dorsal habitus C anterior head D dorsal propodeum to T 3 E wings F dorsal mesosoma G mesopleuron and metapleuron.