Cacia complicata, Vitali, 2025

Key to the Cacia View in CoL from Sulawesi

1. Antennomere III spined at apex; antennomere IV without tuft of hairs..................................................... 2

–– Antennomere III without spine, more or less obtusely protuberant at apex; antennomere IV with tuft of hairs................ 4

2. Pronotum with four spots..................................................................... C. celebensis Breuning, 1938 View in CoL

– Pronotum with longitudinal bands...................................................................................... 3

3. Pronotum with four undulated longitudinal bands of yellow pubescence............................. C. intricata Pascoe, 1865 View in CoL

–– Pronotum with two longitudinal band of black pubescence......................................... C. kaszabi Breuning, 1954 View in CoL

4. Antennomeres without tuft of hairs; pronotum with two longitudinal band of dark pubescence; elytra yellowish, with two undulated transverse bands of brown pubescence.................................................... C. scenica Pascoe, 1865 View in CoL

–– Antennomere IV with a tuft of hairs at apex; pronotum with three longitudinal bands of light pubescence.................... 5

5. Pronotal bands wide; elytra black, spotted with yellow pubescence...................................... C. sekoi Vives, 2022 View in CoL

–– Pronotal bands narrow; elytra without yellow spots...................................................................... 6

6. Elytra with a triangular spot of white pubescence............................................... C. triangulifera Heller, 1900 View in CoL

–– Elytra with lines of whitish pubescence................................................................................. 7

7. Elytra with two zigzag lines crossing the middle and a 9-shaped line on the basal third................... C. complicata n. sp.

–– Elytra with a single line crossing the middle and a humeral longitudinal line............................................... 8

8. Elytra with a free circular or triangular pattern on the apical third........................... C. vanikorensis (Boisduval, 1835) View in CoL

–– Elytra with a longitudinal line on the apical third connected with the median transverse line....... C. monstrabilis Heller, 1916 View in CoL