Losgna Cameron 1903

Key to Indian species of Losgna Cameron, 1903 1. Hind tibiae yellowish on basal two-thirds (apex black); hind coxa black; all tergites with apical bands with tergites 3–4 often narrowed/interrupted medially................................................ simulator (Townes & Gupta 1961) - Hind tibiae entirely black; hind coxa pale fulvous (Fig 2E); tergites 2 and 3 without continuous apical bands with only pale lateral markings (Fig 2G)............................................................................... 2 2. Mesonotum without pale longitudinal lines; hind femur reddish brown with dark base (Fig 2E); large species, 15.0 mm long................................................................................ forticeps (Cameron, 1903) - Mesonotum with two short longitudinal lines in the middle; hind femur almost or completely reddish yellow; smaller species, 10.0–13.0 mm long.................................................................................... 3 3. Clypeus, face and gena entirely white; hind tibia and tarsus dark brown; posterior bands of 4th and 5th tergites wider, usually complete, not interrupted medially...................................................... indica (Heinrich, 1965) - Clypeus, face and gena (cheeks) patterned with black; hind tibia red with black base and apex; 4th tergite with very narrow posterior band often interrupted in the middle, 5th tergite with narrow white posterior margin......................... 4 4. 1 st flagellomere 3.0 × longer than wide; fore coxa, mid coxa extensively red at base; hind coxa light red with clearly delimited yellow spots dorsally; small species, 9.0 mm long............................. bambusicola indicola (Heinrich, 1965) - 1 st flagellomere 2 × longer than wide; fore coxa, mid coxa ivory; hind coxa black with one large white spot dorsally (Fig 1B); larger species, 12.8 mm ................................................................. occidentalis sp. nov.