Furnia Stål, 1876

Hugel, Sylvain, 2009, Gryllacrididae and Tettigoniidae (Insecta, Orthoptera, Ensifera) from Espiritu Santo, Vanuatu, Zoosystema 31 (3), pp. 525-576 : 553-554

Genus Furnia Stål, 1876

Furnia Stål, 1876: 57 .

TYPE SPECIES. — Furnia malaya Stål, 1876 .

TENTATIVE KEY TO FURNIA STÅL, 1876 SPECIES

Furnia malaya Stål, 1876 male, F. acuminata (Brunner von Wattenwyl, 1891) and F. exotica (Brunner von Wattenwyl, 1878) females are unknown.

1. Fastigium pointing; male SGP posterior margin strait .................................... F. exotica

— Fastigium not pointing; when known, male SGP distinctly emarginated .................... 2

2. Pronotum lateral lobe distinctly longer than high; FW length <23 mm; male SGP with a V-shaped emargination, epiproct truncated ........................................... F. acuminata

— Pronotum lateral lobe as long as high as or higher than long; FW length> 21 mm and male SGP with a U-shaped emargination, or FW length> 30 mm and male SGP with a V-shaped emargination; female FW length> 26 mm ................................................. 3

3. FW long (> 36 mm); male SGP emargination not U-shaped ( Fig. 14F ); ovipositor long,> 10 mm, moderately upcurved; pronotum lateral lobe higher than long ........ F. bakeri

— FW shorter (<36 mm); when known, male SGP with U-shaped emargination ( Figs 13I ; 14B ); ovipositor short, <9 mm, strongly upcurved, enlarged on the middle ( Figs 13B ; 14E ); pronotum lateral lobe about as high as long as or higher than long ................... 4

4. Pronotum lateral lobe higher than long; fastigium frontis dorsal margin strait ( Fig. 14D ) ...................................................................................................................... F. malaya

— Pronotum lateral lobe about as high as long; fastigium frontis dorsal margin rounded ( Figs 13A ; 14A ) .......................................................................................................... 5

5. Fastigium frontis dorsal margin narrowly rounded ( Fig. 14A ); male SGP emargination deep ( Fig. 14B ); male cerci simple, pointing ( Fig. 14C ); ovipositor length> 8 mm ....... ....................................................................................................................... F. incerta

— Fastigium frontis dorsal margin widely rounded ( Fig. 13A ); male SGP emargination less deep ( Fig. 13I ); male cerci apex bent inwards, with a minute spine on the apical dorsal margin ( Fig. 13F ); ovipositor length <8 mm ............................................... F. insularis

Figures

FIG. 14. — Furnia Stål, 1876: A-C, F. incerta (Brunner von Wattenwyl, 1878) (after unpublished pictures from the holotype, NHW); D, E, F. malaya Stål, 1876 (after unpublished pictures of the holotype NHRS); F, F. bakeri Karny, 1921; A, D, frontal view of the face; B, F, ventral view of male subgenital plate; C, dorsal view of male cercus; E, female ovipositor. Scale bar: 1 mm.

FIG. 13. — Furnia insularis (Stål, 1876): A, female holotype face in frontal view (after unpublished pictures, NHRS); B, female holotype ovipositor in right side view (after unpublished pictures, NHRS); C, female terminalia ventral view (no type specimen from Espiritu Santo,the female holotype subgenital plate is damaged);D, male left forewing anal field in dorsal view (specimen from Espiritu Santo); E, male right forewing anal field in dorsal view (specimen from Espiritu Santo); F, male cercus in dorsal view (specimen from Espiritu Santo); G, male subgenital plate (non type specimen from Samoa as the female holotype [MNHN, L. Chopard Det.]); H, SEM picture of the file. Scale bars: 1 mm.