Grossander (Oculoander) papuanus, Kondorosy, Előd & Fábics, Anita, 2015

Kondorosy, Előd & Fábics, Anita, 2015, New species of Grossander Slater, 1976 (Hemiptera: Heteroptera: Rhyparochromidae: Drymini) from the Oriental Region, Zootaxa 3904 (1), pp. 95-104 : 101-102

Grossander (Oculoander) papuanus sp. nov.

( Figs. 2, 5, 7, 8 , 11 )

Structure: Very similar to G. (O.) e yl e s i, with the following differences. Body above dull, pubescence of antennal segment I semi-erect, and on lateral side about as long as diameter of antennal segment II. Head more convex in lateral view, densely punctate, distance between antenna and eyes longer (about 1.1 times) than eye length. Eyes stalked, head strongly narrowed behind it. Length of pronotal collar 1.5 times width of tibiae. Lateral carina on anterior pronotal lobe very broad, much broader than in posterior half and broader than tibiae. Anterior femora with 6–8 small spines apically from greater tooth. Male genitalia: Pygophore ( Fig. 5 ) similar to G. ey l es i but with longer and more extended pubescence. Paramere ( Fig. 7–8 ) on outer arm with nearly straight apex; inner projection rounded, without angulate apex; with long setae.

Colour: Similar to G. (O.) eylesi , only antennal segment IV dark, at least in basal half. Triradiate scutellar arm fully pale.

Measurements (all in mm; holotype first, followed by ranges of paratypes paratypes in parentheses): Total body length 5.10 (4.55–5.22). Head: length 0.88 (0.75–0.92), width 0.99 (0.90–1.00), interocular space 0.61 (0.55–0.60). Pronotum: length 1.05 (0.85–1.05), width at base 1.56 (1.38–1.62). Scutellum: length 1.02 (0.80–0.92), length of claval commissure 0.54 (0.38–0.40). Lengths of antennal segments I 0.68 (0.62), II 0.88 (0.72–0.80), III 0.83 (0.70–0.75), IV? [segment missing] (0.72–0.75). Lengths of labial segments of holotype I 0.49, II 0.51, III 0.5, IV 0.37.

Some relative measurements (ratios are calculated from the measurements of holotype and 5 paratypes, and given in intervals). Body length: pronotum width at base 3.2–3.3; body length: antenna length 1.6–1.8; pronotum width: length 1.5–1.6; pronotum width: head width 1.5–1.6; head width: length 1.2; scutellum length: length of claval commissure 2.1–2.3; length of antennal segments II: I 1.1–1.3; III: II 0.9–1.0.

Holotype. Museum Leiden / Neth. New Guinea Exp. / Star Range 2360 m / Bivak 40, 18-VII-1959 / op licht (1♂, RMNH).

Paratypes. INDONESIA / Irian Jaya / A.J. de Boer, / A.L.M. Rutten & / R. de Vos // PASS VALLEY / 49km N Wamena / 2140m, at light / 25. X. 1993 (5♀, RMNH, Amsterdam, 1♀, E. Kondorosy collection).

NEW GUINEA: Madang Dist. / Finisterre Mts. / Moro.C. 5500 ft. / 30.x.–15.xi.1964 // Stn. No. 78 // M.E. Bacchus, / B.M. 1965-120 (2♀, BMNH).

NEW GUINEA: / E. Highland Dist. / Okapa, C. 5,000 ft / 4–15.ii.1965 // Stn. No. / 170. // M.E. Bacchus. / B.M. 1965-120 (1♀, BMNH).

PAPUA NEW GUINEA / Morobe-Prov. / leg. A. Riedel, 1992 // Wau, Kuper-Range, / Biaru-Camp, 1000– / 2000 m, 10. X. (1♂, 3♀, ZSM).

Diagnosis. Grossander (Ocuoalander) papuanus is distinguished from G. (G.) major ( Gross, 1965) by the stalked eyes, greater distance between anterior of eye and antennal insertion, and by the longer, more robust collar.

Etymology. The name of the species refers to New Guinea, the distribution area.

Discussion. The previously known Australian species of the genus Grossander are clearly distinct from both new species in the features specified in the discussion of the new subgenus. The most similar is Grossander (Grossander) major ( Gross, 1965) shown in Fig. 3, especially in armature of fore femora and body size. However, the fore femur in the new subgenus, Oculoander, is armed with fewer teeth ( G. (G.) major has about 7+10 teeth in two rows). The punctures of the head and the pronotum are sparser, irregular. The shape of the pygophore and the pygophore opening of G. (G.) m a j o r are more rounded than in the figure published with the original description ( Fig. 6 ) ( Gross 1965); these are very similar to G. (O.) eylesi . The paramere of G. (G.) major is intermediate between those of the new species, the projections being somewhat angulate (as in G. (O.) eylesi ), but the outer arm is nearly straight (as in G. (O.) papuanus ). The distribution of G. (O.) papuanus and G. (O.) eylesi can be seen on Fig. 11 .

Figures

FIGURE 11. Distribution area of Grossander (Oculoander) papuanus and G. (O.) eylesi.

FIGURES 4 – 10. 4 – 6 Pygophores of: 4, Grossander (Oculoander) eylesi paratype; 5, G. (O.) papuanus holotype; 6, Grossander major (picture of Gross 1965). 7 – 10 Parameres of: 7, 8, Grossander (Oculoander) papuanus holotype; 9, 10, G. (O.) eylesi paratype. 7 and 9 dorsal, 8 and 10 ventral view.