Taeniogonalos Schulz 1906

Key to Indian species of Taeniogonalos Schulz (based on females; modified from Binoy et al. 2022)

1. Second metasomal sternite produced medio-posteriorly (Figures 5d and 5f of Binoy et al., 2022); scutellum unicoloured, yellowish orange or yellow (Figure 5b of Binoy et al., 2022).......................... T. fulvoscutellata (Ayyar, 1919)

- Second sternite truncate medio-posteriorly (Fig. 12 & Figures 2e, 2h, 7d, 10d, 10f, 12h and 15e of Binoy et al., 2022); scutellum bicoloured or tricoloured (Fig. 7 & Figures 2b, 7b and 10b of Binoy et al., 2022)................................... 2

2. Head, mesosoma and metasoma predominantly bicoloured (black/blackish brown and yellow) (Figures 6a and 11a of Binoy et al., 2022)............................................................................................ 3

- Head, mesosoma and metasoma predominantly tricoloured (red/orange, black/blackish brown and yellow/yellowish white) (Fig. 1 & Figures 1a, 9a and 14a of Binoy et al., 2022)........................................................ 4

3. Second metasomal tergite densely punctured, interspaces distinctly less than the diameter of punctures, matt (Figure 7e of Binoy et al., 2022); antenna black with yellow fleck on scape (Figures 6b and 6e of Binoy et al., 2022); frons and vertex with extensive yellow areas (Figures 6d and 6e of Binoy et al., 2022)............................. T. gestroi (Schulz, 1908)

- Second tergite not densely punctured, interspaces distinctly more than the diameter of punctures, glossy (Figure 12g of Binoy et al., 2022); antenna entirely brown (Figure 11b and 6e of Binoy et al., 2022); frons and vertex entirely black (Figures 11d and 11e of Binoy et al., 2022)...................................................... T. latae Polaszek & Binoy, 2022

4. Second submarginal cell of fore wing petiolate anteriorly which is connecting with discal cell (Figure 10c of Binoy et al., 2022)............................................................................. T. kerala (Ayyar, 1919)

- Second submarginal cell sessile anteriorly which is either connecting with discal cell at a point (Figure 14a of Binoy et al., 2022) or distinctly forming a vertical vein (Fig. 9 & Figure 2d of Binoy et al., 2022)................................ 5

5. Second submarginal cell of fore wing sessile anteriorly which is connecting with discal cell at a point (Figure 14a of Binoy et al., 2022); middle of scutellum reddish (Figure 14d of Binoy et al., 2022)................................................................................................ T. thwaitesii (Westwood, 1874) [Extralimital: Sri Lanka]

- Second submarginal cell sessile anteriorly which is connecting with discal cell by forming a vertical vein (Fig. 9 & Figure 2d of Binoy et al., 2022); middle of scutellum black (Fig. 7 & Figure 2b of Binoy et al., 2022).......................... 6

6. Second metasomal tergite with basal yellow spot (Fig. 11); vertex dorsally reddish (Fig. 4); 21 flagellomeres (Fig. 2); yellow apical band of second metasomal tergite laterally widened and narrowed medially (Fig. 11); yellow apical band of second metasomal sternite comparatively wide medially (Fig. 12)................... T. dhritiae Girish Kumar & Hegde sp. nov.

- Second tergite without basal yellow spot (Figure 2g of Binoy et al., 2022); vertex dorsally black with reddish markings (Figure 1d of Binoy et al., 2022); 22 flagellomeres (Figure 1b of Binoy et al., 2022); yellowish white apical band of second tergite with almost uniform thickness (Figure 2g of Binoy et al., 2022); yellowish white apical band of second sternite narrow medially (Figure 2h of Binoy et al., 2022)............................. T. ayyari Binoy, van Achterberg & Girish Kumar, 2022