Iphita heissi, Stehlík & Jindra, 2008

Stehlík, Jaroslav L. & Jindra, Zdeněk, 2008, New taxa of the Largidae and Pyrrhocoridae (Hemiptera: Heteroptera) from the Oriental Region, Acta Entomologica Musei Nationalis Pragae 48 (2), pp. 611-648 : 621-623

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Iphita heissi

sp. nov.

Iphita heissi sp. nov.

( Figs. 8 View Figs , 12-13 View Figs )

Type material. HOLOTYPE: J, INDONESIA: SUMATRA: SUMATERA BARAT PROVINCE: Sindar Raja , 18.xi.1976, E. Diehl lgt. ( EHIA).

Description. Colouration ( Fig. 8 View Figs ). Black on head (except of apical half of clypeus and apices of paraclypei), antennomeres (except basal two thirds of antennomere 4), scutellum, membrane, ventral surface of body (except of laterotergites), and legs (except of coxae, trochanters, extreme apices of femora, and narrow bases of tibiae). Pronotum, clavus, and corium black with brown tinge. Laterotergites darkened, only their lateral margin pale.Apical half of clypeus, apices of paraclypei, coxae, trochanters, extreme apices of femora, and bases of tibiae red. Lateral pronotal margins, costal margin of corium, pronotal epipleura, and hypocostal lamina orange (under higher magnification whitish yellow).

Structure. Body large. Head in front of eyes short. Pronotum short, its margins distinctly widening towards base. Anterior portion of pronotum rather wide; anterior pronotal margin only slightly concave. Lateral pronotal margins distinctly concave at the level of callar lobe, their anterior angles not produced. Pronotal collar medially with transverse, incrassate, slightly arcuate ridge; callar lobe not distinctly widened laterally; pronotal lobe lacking median ridge. All femora slender, with only three very small denticles on apex of profemur.

Pygophore. Entire pygophore densely hairy. Ventral wall in basal part strongly gibbous in lateral view. Ventral rim medially with distinct rounded process, concave from within, fully covering convergent parameres. Processus hamatus of paramere forming slender blunted cone, its apex rounded, on the opposite side with very small tip. Processus sensualis gibbous, not forming the usual arch but somewhat narrowed. Sensorial hairs covering entire processus sensualis.An incision present laterally near base of paramere under processus hamatus; entire margin of this side of paramere with sensorial hairs ( Figs. 12-13 View Figs ).

Punctation minute, black, therefore hardly conspicuous on pronotal lobe, scutellum, clavus, and corium; only costal margin medially near its inner margin with distinct black punctures.

Measurements (all in mm). Male (holotype). Body length 22.19; head: length 2.59; width (including eyes) 2.70, interocular width 1.35; lengths of antennomeres: 1 – 4.32, 2 – 3.94, 3 – 2.21, 4 – 4.43; pronotum: total length 3.73, pronotal collar length 0.76, callar lobe length 0.76, pronotal lobe length 2.21, width 5.89; scutellum: length 2.48, width 2.92; corium: length 10.64, width 3.56.

Differential diagnosis. Iphita varians (macropterous morph) ( Fig. 9 View Figs ) differs from I. heissi sp. nov. ( Fig. 8 View Figs ) by the following characters: head in front of eyes more elongated; pronotum longer, anteriorly more distictly narrowed; pronotal collar flat, only with median longitudinal ridge interrupted in anterior two-thirds of callar lobe and then continued from base of callar lobe nearly to two-thirds of pronotal lobe; callar lobe longer, laterally very wide; anterior angles of lateral pronotal margins produced; corium (as compared to pronotum) shorter and wider; femora stouter, apices of profemora with much stouter teeth; and different ratios of antennomeres. The measurements of a macropterous male of I. varians from Sumatra are given here for a better comparison (all in mm): body length 22.9; head: length 3.08, width (including eyes) 2.81, interocular width 1.62; lengths of antennomeres: 1 – 4.21, 2 – 4.21, 3 – 2.59, 4 – 3.75; pronotum: total length 4.37, pronotal collar length 0.76, callar lobe length 1.19, pronotal lobe length 2.38, width 6.59; scutellum: length 2.97, width 3.24; corium: length 9.13, width 3.73.

Iphita limbata differs from I. heissi sp. nov. by its smaller size, more elongated head, shorter antennae and legs, longer pronotal collar and callar lobe, and very strong teeth in apical part of fore femora (for colour photo of I. limbata see STEHLÍK & JINDRA (2006b)).

Etymology. We dedicate this species to Prof. Ernst Heiss (Innsbruck, Austria), an outstanding heteropterist and the current President of the International Heteropterists’ Society.

Distribution. Indonesia, west of central Sumatra.