Tolumnia Stål

Key to the studied species of genus Tolumnia Stål

1 Scutellum with distinct pale basal angular spots; antennae piceous with bases of joints paler; spermathecal bulb without distinct finger-like processes; 1st gonococcie quadrangular, straight on inner margin…………………… 2 - Scutellar base with transverse extensive pale fascia forming distinct irregular band; antennae with 1st and 2nd segments brownish yellow; spermathecal bulb with two distinct finger-like processes; 1st gonococcie somewhat triangular, slightly concave at inner margin……………… basalis Dallas

2. Body length: 12mm; five distinct small yellowish-brown spots across base of scutellum; spermathecal bulb somewhat trapezoidal, extended downwardly with single curved process, 9th paratergites broad, less wide apart, not passing beyond the posterior margin of 8th paratergites…... maxima Distant - Body length: 9 mm; two distinct oval or roundish yellowish-brown spots at each basal angle of scutellum; spermathecal bulb squarish with two tuberculate processes opposite in direction; 9th paratergites elongated passing beyond the posterior margin of 8th paratergites………….. latipes (Dallas)