Chrysodema (Chrysodema) antennata, Saunders, 1874

Frank, David, 2022, Studies on the genus Chrysodema (Coleoptera: Buprestidae: Chrysochroinae) part II., Zootaxa 5214 (4), pp. 507-543 : 520

Key to the Chrysodema (Chrysodema) antennata species-group

1 Inner side of mesotibia without ridge...................................................................... 2

– Inner side of mesotibia with very distinct ridge ( Figs 76, 77 ). Philippines: Mindanao, Dinagat and Samar islands. Figs 55–57, 59–60 , 69, 76, 77.......................................................... C . (C.) variipennis Saunders, 1874

2 Lateral sides of abdominal ventrites II–V coarsely but sparsely macropunctate with smooth and shiny areas; inner side of male mesotibia of C. (C.) sekerkai without long setae, male of C. (C.) holynskii unknown................................. 3

– Lateral sides of abdominal ventrites II–V finely but densely macropunctate without smooth and shiny areas; inner side of male mesotibia densely pubescent with long setae................................................................ 4

3 Basic colour of elytra black; principal impressions of pronotum clearly visible; female mesotibia bent at apical third ( Fig. 74 ). Generally more broad, length/width ratio: ♀♀ (n = 129) 2.51–2.74 (average 2.60). Indonesia: Banggai, Peleng and Sulawesi islands. Figs 38–40 , 68, 74........................................................... C . (C.) sekerkai sp. nov .

– Basic colour of elytra green-bronze; principal impressions inconspicuous; female mesotibia not bent at apical third ( Fig. 75 ). Generally more slender, length/width ratio: ♀♀ (n = 37) 2.68–2.89 (average 2.80). Philippines: Masbate Is. Figs 48–50, 53 , 75............................................................................. C . (C.) holynskii sp. nov .

4 Male antenna shorter than pronotum...................................................................... 5

– Male antenna longer than pronotum, metallic-coloured apical part of male sternite IX V-shape bordered at base ( Fig. 78 ), penis narrowed at apical half ( Figs 70, 71 ). Philippines: Mindanao Is., Camiguin (Mindanao) Is., Dinagat Is., Leyte Is., Samar Is. Figs 29–34 , 70, 71, 78.................................................. C . (C.) antennata antennata Saunders, 1874

5 Metallic-coloured apical part of male sternite IX V-shape bordered at base, parameres shortly narrowly open at apex, ( Fig. 67 ). Generally smaller: ♀♀ (n = 7): length: 22.00–27.25 (average 25.19) mm, width: 8.00–10.25 (average 9.25). Indonesia: Sulawesi Is. Figs 41–43, 46 , 67, 73................................... C . (C.) antennata obsoleta J. Thomson, 1878

– Metallic-coloured apical part of male sternite IX arcuately bordered at base ( Fig. 79 ), parameres open from mid-length, penis subparallel-sided ( Fig. 72 ). Generally bigger: ♀♀ (n = 35): length: 24.25–30.00(31.50) (average 27.09) mm, width: 9.00–12.00 (average 10.12) mm. Philippines: Palawan Is. Figs 35–37 , 72, 79................. C . (C.) antennata barriesi subsp. nov .

Figures

FIGURES 63–79. 63—Chrysodema (Chrysodema) eximia eximia Laporte de Castelnau & Gory, 1835 (Philippines, Luzon Is., Aurora Prov., Dingalan; EJBS); 64—C. (C.) eximia eximia (Philippines, Luzon Is., Quirino Prov., Disimungal; DFPC); 65—C. (C.) eximia berliozi Descarpentries, 1948 (Taiwan, Orchid [Lanyu] Is.; DFPC); 66—C. (C.) eximia berliozi (Taiwan, Orchid [Lanyu] Is.; ATMR); 67—C. (C.) antennata obsoleta J. Thomson, 1878 (Indonesia, Sulawesi Is.; MNHN); 68—C. (C.) sekerkai sp. nov. (holotype; MNHN); 69—C. (C.) variipennis Saunders, 1874 (Philippines, Dinagat Is.; NMPC) © NMPC; 70—C. (C.) antennata antennata Saunders,1874 (lectotype; BMNH);71—C.(C.) samarensis Fisher,1926 (allotype; USNM) =C.(C.) antennata antennata; 72—C. (C.) antennata barriesi subsp. nov. (holotype; NMPC); 73—C. (C.) antennata obsoleta (Indonesia, Sulawesi Is.; MNHN); 74—C. (C.) sekerkai (paratype, Indonesia, Peleng Is.; MHNG); 75—C. (C.) holynskii sp. nov. (holotype; NMPC); 76—C. (C.) variipennis Saunders, 1874 (holotype; BMNH); 77—C. (C.) variipennis (Philippines, Dinagat Is., ♂; NMPC) © NMPC; 78—C. (C.) antennata antennata (lectotype; BMNH); 79—C. (C.) antennata barriesi (holotype; NMPC). 63, 65, 69–72—parameres (left) and penis (right); 64, 66–68—aedeagus; 73–76—female mesotibia; 77—male mesotibia; 78, 79—male sternite IX.

FIGURES 55–61. 55–58—Chrysodema (Chrysodema) variipennis Saunders, 1874 (holotype, ♀ 21.50 mm; BMNH). 59—C. (C.) leopoldiana Théry, 1933 (holotype, ♀ 23.75 mm; IRSN) = C. (C.) variipennis. 60—C. (C.) variipennis (Philippines, Dinagat Is., ♂ 20.00 mm; NMPC) © NMPC. 61—C. (C.) sekerkai sp. nov. (holotype; MNHN). 55, 59, 60—dorsal view; 56—ventral view; 57—lateral view; 58, 61—labels.

FIGURES 35–40. 35–37—Chrysodema (Chrysodema) antennata barriesi subsp. nov. (holotype, ♂ 23.50 mm; NMPC); 38– 40—C. (C.) sekerkai sp. nov. (holotype, ♂ 22.75 mm; MNHN). 35, 38—dorsal view; 36, 39—ventral view; 37, 40—lateral view.

FIGURES 48–54. 48–51—Chrysodema (Chrysodema) holynskii sp. nov. (holotype, ♀ 29.50 mm; NMPC); 52, 53—C. (C.) holynskii sp. nov. (paratype erroneously labelled as holotype of Chrysodema coolsi [see ‘Remarks’ under C. (C.) holynskii], ♀ 26.50 mm; RHMP). 54—C. (C.) leopoldiana Théry, 1933 (holotype; IRSN) = C. (C.) variipennis Saunders, 1874. 48, 53— dorsal view; 49—ventral view; 50—lateral view; 51, 52, 54—labels.

FIGURES 29–34. 29–31—Chrysodema (Chrysodema) antennata antennata Saunders, 1874 (lectotype, ♂ 23.25 mm; BMNH); 32—C. (C.) hebes Kerremans, 1892 (lectotype, ♀ 26.25 mm; BMNH) = C. (C.) antennata antennata; 33—C. (C.) coriacea Kerremans, 1919 (syntype, ♀ 28.25 mm; MNHN) = C. (C.) antennata antennata; 34—C. (C.) samarensis Fisher, 1926 (allotype, ♂ 22.75 mm; USNM) = C. (C.) antennata antennata. 29, 32–34—dorsal view; 30—ventral view; 31—lateral view.

FIGURES 41–47. 41–44—Chrysodema (Chrysodema) antennata obsoleta J. Thomson, 1878 (lectotype, ♀ 22.00 mm; MNHN) © MNHN. 45—C. (C.) samarensis Fisher, 1926 (allotype; USNM) = C. (C.) antennata antennata Saunders, 1874. 46—C. (C.) antennata obsoleta (Célèbes, ♂ 22.50 mm; MNHN). 47—C. (C.) coriacea Kerremans, 1919 (syntype; MNHN) = C. (C.) antennata antennata. 41, 46—dorsal view; 42—ventral view; 43—lateral view; 44, 45, 47—labels.