Rustia Stal 1866

Key to the species of Rustia

1 Fore wing with infuscation on all distal veins between apical cells............................................... 2 1’ Fore wing with a spot of infuscation only on apex........................................................... 5 2 Infuscation extending along ambient vein of fore wing....................................... R. marginata n. comb. 2’ Infuscation not extending along ambient vein of fore wing..................................................... 3 3 Abdominal tergites 6–8 dark brown or piceous............................................. R. maculata n. comb. 3’ Abdominal tergites 6–8 with ground color or only posterior margin marked with piceous............................. 4

4 Pygofer distal shoulder curved laterad at apex, extending to level of anal styles, radiomedial crossvein separated from bifurcation of median veins 1 and 2 by more than its length, fore wing infuscation connecting across apical cells 2 and 3.................................................................................................. R. minuta n. sp.

4’ Pygofer distal shoulder straight, not curved, extending beyond level of anal styles, radiomedial crossvein separated from bifurcation of median veins 1 and 2 by less than its length, fore wing infuscation connecting across apical cells 2–5.. R. dentivitta

5 Infuscation on fore wing radial and radiomedial crossveins and base of proximal radius anterior 2........ R. kodagura n. sp.

5’ Infuscation lacking on fore wing radial and radiomedial crossveins and base of proximal radius anterior 2.............. 6

6 Abdominal tergites with dorsolateral dark markings producing an angled longitudinal stripe of dorsalteral abdomen R. tigrina

6’ Abdominal tergites without dorsolateral dark markings........................................................ 7

7 Mesonotum marked with piceous in submedian and lateral sigillae, distal shoulder of pygofer strongly curved laterally........................................................................................... R. apicata n. comb.

7’ Mesonotum ground color or only marked with piceous in submedian sigillae, distal shoulder of pygofer weakly curved laterally............................................................................... R. longicauda n. comb.