Prothyma (Genoprothyma), Rivalier, 1964

Wiesner, Jürgen & Anichtchenko, Alexander, 2023, The Philippines species of the genus Prothyma Hope, 1838 (Coleoptera: Cicindelidae) Part 1: Subgenera Prothyma Hope, 1838, Genoprothyma Rivalier, 1964 and Parasymplecthyma subgen. nov., Zootaxa 5315 (1), pp. 1-36 : 6-7

Key to the Philippines species of the subgenus Genoprothyma Rivalier, 1964

1 Disc of pronotum irregularly wrinkled: wrinkles relatively wide, in the anterior third and laterally becoming indistinct ( Fig. 2 ) ................................................................................................... 2

- Disc of pronotum more or less evenly wrinkled, wrinkles much narrow ( Fig. 3 ).................................... 7

2 Central rugae between eyes zigzag ( Fig. 2d–f ).............................................................. 5

- Central rugae between eyes nearly straight ( Fig. 2a–c )....................................................... 3

3 Rugae on occipital zone weakly evident ( Fig. 2c ). Elytra violet, head and pronotum copper, femora brownish yellow with dark apical part; Sibuyan.......................................................... P. discretepunctata Horn, 1924

- Rugae on occipital region evident ( Fig. 2a–b )............................................................... 4

4 Predominant color of head, pronotum and elytra copper ( Fig. 8 ); Luzon.......................... P. hopkinsi hopkinsi

- Head, pronotum and humeral part of elytra blue-violet ( Fig. 9 ). Luzon and Catanduanes ..... P. hopkinsi bakeri Horn, 1914

5 Lateral band of elytra triangular, subapical band triangular or comma-shaped..................................... 6

- Lateral band of elytra oblique, subapical band round. Apex of aedeagus short and blunt. Biliran ............................................................................................... P. rotundatocuprascens Horn, 1923

6 Subapical band comma-shaped; apex of aedeagus elongate and slightly downturned; basal chitinous shield of endophallus (situated near apical orifice) composed of long spines ( Fig. 12f, g ). Masbate ................... P. masbateensis sp. nov.

- Subapical band of elytra triangular; apex of aedeagus short. Mindanao.................. P. lucidicollis ( Chaudoir, 1869)

7 Pronotum elongate ( Figs 3a–c ). Medium size or small species (9–13 mm)........................................ 8

- Pronotum nearly square ( Fig. 3d ). Large species (14–15 mm); body, antennae and legs nearly black; elytra along suture coarsely, transversely rugate................................................................ P. banksi Horn, 1923 here

8 Dorsal surface of protarsomeres 1–3 in males smooth...................................................... ... 9

- Dorsal surface of protarsomeres 1–3 in males covered by unusually long and dense setae; body small and slender, 9–11 mm. Luzon, Mindanao.................................................................. P. tenuipenis Horn, 1934

8 Apex of aedeagus strongly downturned in lateral view ( Figs 13 , 15 )............................................. 9

- Apex of aedeagus slightly downturned in lateral view; endophallus in basal extent (near apical orifice) with one sclerotized shield composed of flat scales ( Fig. 6 ). Mindanao, Negros......................... P. confluenteangustata Horn, 1924

9 Head, pronotum and elytra matte, dull copper with green and blue tinges ( Fig. 13 ); aedeagus shorter; endophallus in basal part with two groups of spines. Marinduque …............................................. P. miltonmedinai sp. nov.

- Head, pronotum and elytra with bright coppery-red luster ( Fig. 15 ); aedeagus longer, endophallus without two basal groups of spines. Romblon ................................................................... P. schultzei Horn, 1908

Figures

FIGURE 2. Head and pronotum of Prothyma species. (a) P. hopkinsi hopkinsi Horn, 1909; (b) P. hopkinsi bakeri Horn, 1914; (c) P. discretepunctata Horn, 1924; (d) P. masbateensis sp. nov.; (e) P. lucidicollis (Chaudoir, 1869); (f) P. rotundatocuprascens Horn, 1923. Scale = 5 mm.

FIGURE 3. Head and pronotum of Prothyma species. (a) P. confluenteangustata Horn, 1924; (b) P. miltonmedinai sp. nov.; (c) P. tenuipenis Horn, 1934; (d) P. banksi Horn, 1923; (e) P. schultzei Horn, 1908. Scale = 5 mm.

FIGURE 6. Variability of aedeagus structure of Prothyma (Genoprothyma) confluenteangustata Horn, 1924. (a–b) Lectotype, Negros; (c–h) Negros, Mt. Canlaon; (i–j) Mindanao, Kitanglad. Scale = 1 mm.

FIGURE 8. Prothyma (Genoprothyma) hopkinsi hopkinsi Horn, 1909. (a) Dorsal habitus male from Mt. Makiling, compared with the lectotype. Scale = 5 mm. (b–e, labrum, Scale = 1 mm). (b) Male from Mt. Makiling. (c) Male from Luisiana. (d) Male from Dingalan. (e) Female from Mount Makiling. (f–j Left elytron. Scale = 5 mm). (f) Male from Mt. Makiling. (g) Male from Luisiana. (h) Male from Mount Banahao. (i) Female from Mount Makiling. (j) Aedeagus, left lateral view, from Mount Makiling. Scale = 1 mm.

FIGURE 9. Prothyma (Genoprothyma) hopkinsi bakeri Horn, 1914. (a) Dorsal habitus male from Quezon Park, Tayabas, compared with the lectotype. Scale = 5 mm. (b–c. Labrum. Scale = 1 mm). (b) Male from Quezon Park, Tayabas. (c) Female from Quezon Park, Tayabas. (d–f, left elytron. Scale = 5 mm). (d) Male from Atimonan. (e) Male from Catanduanes. (f) Female from Quezon Park, Tayabas. (g) Aedeagus, left lateral view, from Quezon Park, Tayabas. Scale = 1 mm.

FIGURE 12. Prothyma (Genoprothyma) masbateensis sp. nov. (a) Dorsal habitus holotype male. Scale = 5 mm. (b–c). Left elytron, (b) Holotype male. (c) Paratype female. Scale = 5 mm. (d–e). Labrum. Scale = 1 mm. (d) Holotype male. (e) Paratype female. (f–g). Aedeagus, left and right lateral view, lectotype. Scale = 1 mm.

FIGURE 13. Prothyma (Genoprothyma) miltonmedinai sp. nov. (a) Dorsal habitus holotype male. Scale = 5 mm. (b–c). Left elytron, (b) Holotype male. (c) Paratype female. Scale = 5 mm. (d–e). Labrum. Scale = 1 mm. (d) Holotype male. (e) Paratype female. (f–g). Aedeagus, left and right lateral view, lectotype. Scale = 1 mm.

FIGURE 15. Prothyma (Genoprothyma) schultzei Horn, 1908, lectotype male. (a) Dorsal habitus. Scale = 5 mm. (b) Labrum. Scale = 1 mm. (c) Aedeagus, left lateral view. Scale = 1 mm.