Oides femoralis Laboissière

Lee, Chi-Feng & Beenen, Ron, 2017, Revision of the Palaearctic and Oriental species of the genus Oides Weber, 1801 (Coleoptera: Chrysomelidae: Galerucinae), Zootaxa 4346 (1) : 51-53

Oides femoralis Laboissière

( Figs 34A–34C , 35 )

Oides femoralis Laboissière, 1940: 2 ( Indonesia: Java); Wilcox, 1971: 8 (catalogue); Kimoto, 1990: 218 (catalogue).

Types. Holotype ♀ ( IRSB, by monotypy), labeled: “Restit 1885. [p, w] [glued on the following label] // Coll. R. I. Sc. N. B. / Java [p, y] // V. Laboissière det., 1939: [p] / Oides / femoralis m. / Type [h, w] // TYPE [p, pink label] // cf. Bull. Mus. / Hist. Nat. Belg. [p] / XVII, 3, 1940, p. 3. [h, w]” .

Redescription. Length 9.7–11.1 mm, width 6.1–7.0 mm. General color ( Figs 34A–34C ) yellow; antennae yellow, antennomeres IX–XI darker; scutellum, meso- and metathoracic, and abdominal ventrites black; legs yellow except femora black. Antennae filiform in males ( Fig. 35A ), antennomeres III–VII elongate, VIII–X stout, length ratios of antennomeres I–XI 1.0: 0.7: 1.1: 1.3: 1.2: 0.9: 1.1: 0.8: 0.8: 0.7: 0.9, length to width ratios of antennomeres I–XI 2.6: 2.1: 3.1: 4.1: 3.8: 2.5: 2.5: 1.8: 1.9: 1.7: 2.3; similar in females ( Fig. 35B ), length ratios of antennomeres I–XI 1.0: 0.7: 1.2: 1.3: 1.1: 0.9: 1.0: 0.8: 0.7: 0.7: 1.0, length to width ratios of antennomeres I–XI 2.7: 2.1: 3.3: 4.1: 3.4: 2.9: 2.6: 1.9: 1.8: 1.7: 2.5. Pronotum transverse, 2.1x wider than long, disc slightly convex, with dense, fine punctures, punctures medially reduced, baso- and apico-lateral angles rectangular, apical margin slightly concave. Elytra oblong, widest at middle, 1.4x longer than wide, disc shining; moderately convex, epipleurae near lateral margins, located 9/10 distance between suture and lateral margins. Penis ( Figs 35C–35E ) slender; 6.8x longer than wide, parallel-sided, apically tapering from apical 1/5, apically bifurcate, apico-lateral apices connected to each other; tectum extremely elongater, apex projected from apex of penis, deeply bifurcate at basal 1/4, lateral processes elongate, apices rounded; slightly curved near base in lateral view, apices narrowly rounded; inside apex of ventral surface membranous; endophallic sac without sclerites. Apical margin of abdominal ventrite V in female truncate. Gonocoxae reduced. Ventrite VIII ( Fig. 35F ) transverse, apical margin rounded, depressed medially, with long setae along apical margin; spiculum long and wide, with median internal ridge from apical 1/4 to middle. Receptacle of spermatheca ( Fig. 35G ) as wide as pump, connected to pump, basally narrowed; pump strongly curved; proximal spermathecal duct extremely elongate, apical area convered by short teeth.

Diagnosis. Members of O. femoralis are similar to those of O. flava but differ in possessing black scutellums and femora except apices, yellow antennae, and relatively broader antennomeres VIII–XI.

Other specimens examined. INDONESIA. Java: 1♀ ( EUMJ), Mt. Gede, Cibodas, 1400m, 4.VIII.1977, leg. S. Nagai; 1♂ ( FREY); 1♀ ( RMNH), Malabar, 1921, leg. Kerkhoven; 15♂♂, 25♀♀ ( RMNH), Preanger, leg. P. E. Sijthoff; 1♂ ( RMNH), Tangk. Prahoe, 15.VI.1933, leg. P. H. V. Doesburg; 1♀ ( RMNH), Tjidbodas, 1935, leg. J. v. d. Vecht; 2♀♀ ( RMNH), Toegoe, leg. J. D. Pasteur.

Distribution. Indonesia: Java ( Fig. 7 ).

Figures

FIGURE 7. Distribution map of Oides antennata (pink dots), O. apicalis (red dots), O. cyanella (green dots), O. femoralis (blue dots), and O. quadrivittata (yellow dots).

FIGURE 34. Habitus of Oides femoralis Laboissière and O. flava (Olivier). 34A. O. femoralis, dorsal view; 34B. Same, ventral view; 34C. Same, lateral view; 34D. O. flava, dorsal view; 34E. Same, ventral view; 34F. Same, ventral view; 34G. Color variation, from Philipines, dorsal view; 34H. Same, ventral view; 34I. Same, lateral view.

FIGURE 35. Diagnostic characters of Oides femoralis Laboissière. 35A. Antenna, male; 35B. Antenna, female; 35C. Penis, dorsal view; 35D. Penis, lateral view; 35E. Penis, ventral view; 35F. Abdominalventrite VIII; 35G.Spermatheca.