Malaia, Heller, 1892

Kaneko, Naoki & Wada, Kaoru, 2022, A new species of the genus Malaia Heller, 1892 (Scarabaeidae: Rutelinae: Anomalini) from Sulawesi Island, Indonesia, Zootaxa 5104 (3), pp. 426-432 : 431

Key for identification of Sulawesian species of Malaia (subgenus Malaia )

Species distribution is adopted from Machatschke (1957) and Miyake (1996, 2000)

1. Elytra with 2–3 fine longitudinal ridges or clearly punctate rows............................................... 2

- Elytra without longitudinal ridges and punctate rows........................................................ 13

2. Pronotum without hairs or with sparse setae only on lateral sides............................................... 3

- Pronotum covered with hairs.......................................................................... …9

3. Pronotum densely transversely or longitudinally rugoso-punctate................................................4

- Pronotum covered with coarsely spatulate punctures, except rugoso-punctate lateral sides............................5

4. Pronotum transversely rugoso-punctate................................................................... 6

- Pronotum longitudinally rugoso-punctate........................................ Malaia (M.) ritsemae Heller, 1892

5. Propygidium with dense fringe of hairs along posterior margin, pygidium with two large triangular hairy patches.............................................................................. Malaia (M.) tondanoensis Miyake, 1996

- Propygidium without hairs along posterior margin, pygidium with two small and thin tufts at base.......................................................................................... Malaia (M.) castanoptera Miyake, 2000

6. Propygidium with dense fringe of hairs along posterior margin................................................. 7

- Propygidium without hairs along posterior margin............................................................8

7. Pygidium with two hairy tufts at base....................................... Malaia (M.) nigrita (Boisduval, 1835)

- Pygidium bears scattered hairs, without hairy tufts …....................... .. Malaia (M.) gnomonica (Schaufuss, 1885)

8. Pygidium with two small hairy tufts at base...................................... Malaia (M.) cyanea Miyake, 1996

- Pygidium with two large triangular hairy patches................................... .. Malaia (M.) taoi Miyake, 1996

9. Pronotum densely covered with hairs.................................................................... 10

- Pronotum covered with scattered hairs, with coarse horseshoe-shaped punctures under the hairs …........................................................................................... Malaia (M.) macassara Miyake, 2000

10. Pronotum covered with longitudinal aciculate cracks, with fine punctures between these........................... 11

- Pronotum covered with dense grained or annulate punctures...................................................12

11. Pronotal hairs arranged in relatively low density............................... Malaia (M.) ornata (Schaufuss, 1885)

- Pronotal hairs arranged in extremely high density................................ .. Malaia (M.) trajecta Heller, 1892

12. Pronotum covered with dense grained punctures................................. Malaia (M.) vestita (Candèze, 1869)

- Pronotum covered with dense annulate punctures................................ Malaia (M.) celebica (Ohaus, 1936)

13. Pronotum covered with dense granulose texture.............................................................14

- Pronotum fairly densely punctured, with lateral sides showing aciculate punctures..... Malaia (M.) vandepolli Heller, 1892

14. Pronotum with weak oblique impression on each side............................ Malaia (M.) simulatrix Heller, 1892

- Pronotum with strong oblique impression on each side and bearing sparkly gloss................................................................................................ Malaia (M.) medea Kaneko & Wada , new species