Plateros, Bourgeois, 1879

Tvardik, David & Bocak, Ladislav, 2001, Review of the genus Plateros Bourgeois (Coleoptera; Lycidae) from Sulawesi, Zootaxa 16, pp. 1-12 : 11-12

Key to the Plateros species known from Sulawesi

1. Elytra concolour yellow...................................................... 2

­ Elytra dark brown to black, at most with very narrow yellow to reddish brown margins.... 4

2. Antennomeres 3­11 almost parallel­sided ( Fig. 22 ), phallus slender in apical part ( Figs 12­13 ), male eyes diameter slightly smaller than interocular distance............... P. lalui sp. n.

­ Antennomeres 3­11 serrate ( Fig. 20 ), male unknown............................... 3

3. Pronotum 1.45 times wider at base than long at midline, frontal margin widely rounded, frontal angles inconspicuous, antennae dark brown to black............. Plateros toliensis nom. n.

­ Pronotum 1.83 times wider at base than long at midline, frontal margin of pronotum slightly projected, frontal angles distinct, antennae dark brown to black..... P. flavidus Kleine, 1933

4. Pronotum red, with a patch at middle of basal margin.............. P. celebensis Pic, 1921

­ Pronotum black, at most with very narrow brown to reddish brown margins............. 5

5. Maximum male eye diameter eyes larger than interocular distance..................... 6

­ Maximum male eye diameter eyes smaller than interocular distance................... 7

6. Maximum diameter of male eye 1.46 times interocular distance, phallus strongly curved in apical part ( Figs 5­6 )...................................................... P. milenae sp. n.

­ Maximum diameter of male eye 1.13 times interocular distance, phallus slender, straight, widened in apical part ( Figs 1­2 )................................... P. kalamensis sp. n.

7. Lateral margins of elytra light brown to reddish brown.............................. 8

­ Elytra concolour dark brown to black............................................ 9

8. Antennomeres 3­10 acutely serrate ( Fig. 27 ), narrow margins of pronotum lighter than disc, phallus slender, curved in middle part, widened apically, internal sac membranous ( Figs 9­10 ). .......................................................... P. tanatorajensis sp. n.

­ Antennomeres 3­10 almost parallel­sided ( Fig. 26 ), margins of pronotum concolour with disc, phallus robust, internal sac partly sclerotized ( Figs 11 )........... P. rubromamasensis sp. n.

9. Margins of pronotum concolour with disc, antennae very slender, antennomeres 3­11 parallelsided ( Fig. 25 ), phallus very slender ( Figs 7­8 )...................... P. orobuensis sp. n.

­ Margins of pronotum lighter than disc, antennomeres 3­10 serrate ( Fig. 23 ), phallus robust, curved in apical part ( Figs 3­4 )................................. P. mamasensis sp. n.

Figures

FIGURES 11 ­ 27. 11 ­ 13: Male genitalia. 11: Plateros rubromamasensis sp. n.; 12 ­ 13: P. lalui sp. n.; 14 ­ 19: Male pronota. 14: P. kalamensis sp. n.; 15: P. mamasensis sp. n.; 16: P. milenae sp. n.; 17: P. orobuensis sp. n.; 18: P. rubromamasensis sp. n.; 19: P. tanatorajensis sp. n.; 20: Female antenna. 20: P. flavidus Kleine, 1933; 21 ­ 27: Male antennae. 21: P. kalamensis sp. n.; 22: P. lalui sp. n.; 23: P. mamasensis sp. n.; 24: P. milenae sp. n.; 25: P. orobuensis sp. n.; 26: P. rubromamasensis sp. n.; 27: P. tanatorajensis sp. n. Scale 0.5 mm.

FIGURES 1 ­ 10: Male genitalia. 1 ­ 2: Plateros kalamensis sp. n.; 3 ­ 4: P. m a m a s e n s i s sp. n.; 5 ­ 6: P. milenae sp. n.; 7 ­ 8: P. orobuensis sp. n.; 9 ­ 10: P. tanatorajensis sp. n. Scale 0.5 mm.