Marolia Mulsant, 1856

Konvička, Ondřej & Brustel, Hervé, 2021, Description of Marolia alicantina sp. nov. (Coleoptera: Melandryidae) from Spain and new distribution records of Marolia species, Zootaxa 4920 (3), pp. 407-416 : 414

Key to the species of Marolia Mulsant, 1856

1. Setae on elytra and pronotum erect........................................................................ 2

- Setae on elytra and pronotum are recumbent................................................................ 3

2. Pronotum base is bulged at the middle and markedly extending beyond the posterior corners of pronotum; punctation of disc of the pronotum sparse, aedeagus as in Fig. 8 ............................................. Marolia alicantina sp. nov.

- Pronotum base almost straight or at the middle only slightly extending beyond the posterior corners of pronotum; punctation of disc of the pronotum dense, aedeagus as in Fig. 9 ............................... Marolia grandis Peyerimhoff, 1917

3. Lateral margins of the pronotum with carina from basis to 2/3 length, interspaces among the punctures of the pronotum are distinctly shagreened.......................................................... Marolia purkynei Mařan, 1933

- Lateral margins of the pronotum with carina from basis to ½ or 3/5 length, between the pronotum punctation are inconspicuous shagreened............................................................................................4

4. Antennomeres thin ( Fig 12 ), posterior corners of the pronotum obtuse, width to length ratio of pronotum 1:1.16 – 1:1.23................................................................................ Marolia variegata (Bosc, 1791)

- Antennomeres thick ( Fig 13 ), posterior corners of the pronotum acute, width to length ratio of pronotum 1:1.23 – 1:1.4............................................................................. Marolia leseigneuri Nicolas, 1977

Figures

FIGS 8–13: 8, 10 – Marolia alicantina sp. nov.; 9, 11 – Marolia grandis Peyerimhoff, 1917; 12 – Marolia variegata (Bosc, 1791); 13 – Marolia leseigneuri Nicolas, 1977; 8, 9 – aedeagus, dorsal view; 10, 11 – pronotum; 12, 13 – antenna, original by Allemand & Thilliez (1991). (Figs. 8–11 photo Aleš Sedláček). Scale bar: 0.5 mm.