Orthosaldula flavonigra, Zettel & Gapud, 2008

Zettel, Herbert & Gapud, Victor P., 2008, Notes on the endemic Philippine genus Orthosaldula (Hemiptera: Heteroptera: Saldidae), with descriptions of two new species, Acta Entomologica Musei Nationalis Pragae 48 (2), pp. 319-329 : 325-327

Orthosaldula flavonigra sp. nov.

( Figs. 3 , 6 , 14 )

Type locality. Philippines, Cebu Island, Boljoon, Poblacion, GPS N 9°37′, E 123°28′, ca. 10 m a.s.l.

Type material. HOLOTYPE: J, ‘ Philippines: Cebu, Boljoon \ (Pobl.), river and banks \ 10.2.2008, leg. H. Zettel \ & C. Pangantihon (505)’ ( UPLB) . PARATYPES: 2 JJ 2 ♀♀, same label data as holotype ( HZWA, NHMW).

Diagnosis. Vertex smooth, without any pilosity. Callus high and moderately long. Mandibular plates completely yellow. Area between dorsal eye margin and anteocellar furrows completely yellow. Corium of forewing clayish yellow (without any red), with pale side margin and large black dot in centre. Antennae and legs yellow or light orange, never with vermilion red touches.

Additional descriptive notes. Measurements. Body length of males 2.8-2.9 mm, of females 3.3-3.4 mm. Maximum body width of males 1.28-1.30 mm, of females 1.49-1.56 mm. Head width of males 0.90-0.91 mm, of females 0.93-0.97 mm. Pronotum width of males 1.06- 1.09 mm, of females 1.19-1.23 mm.

Colour. See Figures 3 and 6 . Thorax with dark violet shimmer. In holotype only, antennomere 4 infuscated. Clavus of hemelytron yellow or orange, with broad black base and black lateral margin broadened towards apex.

Structures. Callus very high, median impression moderately deep, median length 0.53-0.60 times median length of pronotal lobe. Posterior lobe of pronotum with very coarse rugosity, weakly convex in lateral aspect ( Fig. 14 ). Comparative notes. Orthosaldula flavonigra sp. nov. differs clearly from O. rubroalata and O. stysi sp. nov. in the yellow and black colour of the hemelytron. Its smooth and bare vertex set this species in close relationship with O. stysi sp. nov., but beside colour, there are also differences in the structure of the pronotum, with the callus being less high in O. flavonigra sp. nov. than in O. stysi sp. nov. (cf. Figs. 13-14 ), and the rugosity of the posterior lobe coarser in O. flavonigra sp. nov. than in O. stysi sp. nov. Etymology. The species epithet is an adjective composed of the Latin words flavus for yellow and niger for black; it refers to the colour of the hemelytron. Habitats. Orthosaldula flavonigra sp. nov. was collected by Clister V. Pangantihon and the first author on the banks of a stream in southeastern Cebu. Specimens were boulders found and on steep and rock near faces mosses together on rock with Saldula sp. The type locality is not far from the sea, approximately 10 m a.s.l. Distribution. Cebu Island: only known from the type locality in the island’s southeast.

flavonigra sp. nov. (© NHMW Hemiptera Image Collection, published with permission).

Figures

Fig. 3. Orthosaldula flavonigra sp. nov., male, body length 2.8 mm. (© NHMW Hemiptera Image Collection, published with permission).

Figs. 4-6. Head, frontal aspect: 4 – Orthosaldula rubroalata Gapud, 1986; 5 – O. stysi sp. nov.; 6 – O.

Figs. 7-14. 7-11 – Orthosaldula rubroalata Gapud, 1986: 7 – right forewing (ef = embolar fracture, R = radius); 8 – parandria, caudal view; 9 – proctiger, dorsal view; 10 – left paramere, lateral view; 11 – subgenital plate of female, ventral view. 12-14 – dorsal outline of pronotum, lateral view (co = collar, ca = callus, pl = posterior lobe). 12 – O. rubroalata; 13 – O. stysi sp. nov.; 14 – O. flavonigra sp. nov. Pilosity omitted, except in Fig. 10.