Portanus restingalis, Felix, Márcio & Mejdalani, Gabriel, 2016

Felix, Márcio & Mejdalani, Gabriel, 2016, Two new species of Portanini (Hemiptera: Cicadellidae: Aphrodinae) from Southeastern Brazil, Zootaxa 4196 (3), pp. 399-406 : 400

Portanus restingalis sp. nov.

( Figs 1–8 )

Diagnosis. Head ( Figs 1, 2 ) with conspicuous pair of transverse dark brown stripes anteriorly, one above and one below ocelli; aedeagus ( Figs 7, 8 ) ventrally with basally articulated, long bifid process.

Measurements (mm). Male holotype: body length 6.90; crown length 0.56; transocular width 1.47; interocular width 0.72; maximum pronotal width 1.43; forewing length 5.40.

Description. Head ( Figs 1, 2 ) with median length of crown slightly less than 8/10 interocular width and slightly less than 4/10 transocular width. Pronotum ( Figs 1, 2 ) with width slightly smaller than transocular width. Forewings with three closed anteapical cells; median cell longer than inner and outer ones. Hind legs with femoral setal formula 2:2:1; length of basal tarsomere greater than combined length of two succeeding tarsomeres.

Male genitalia. Pygofer ( Fig. 3 ), in lateral view, short and high; posterior margin broadly rounded with conspicuous, moderately broad dorsal lobe; lobe region with inner digitiform process, longer than lobe; dorsal portion of pygofer with group of long macrosetae extending posteriorly in a row; posterior lobe with short microsetae. Valve ( Figs 3, 4 ) broad, subrectangular, posterior margin straight. Subgenital plates ( Figs 3, 4 ) long, extending posteriorly well beyond pygofer apex; narrowed on apical half; basal third with emargination on outer margin; apex rounded; ventral longitudinal row of long macrosetae; dorsal area with long microsetae; apical margin with row of microsetae. Style ( Figs 5, 6 ) long and narrow, extending posteriorly beyond connective apex; apical portion broad in lateral view; preapical lobe moderately produced; apex long and acute, curved outwards, forming hook with preapical lobe. Connective ( Figs 7, 8 ) Y-shaped in ventral view; arms moderately long; anteromedian margin with lobe; apical portion broadened in ventral view. Aedeagus ( Figs 7, 8 ) long and narrow; shaft slightly sinuous; apical portion slightly broadened; median ventral portion of shaft with basally articulated, bifid long process, extending posteriorly beyond shaft apex; rami of process narrowing apically, symmetrical and parallel in ventral view.

Color. Dorsum ( Figs 1, 2 ) brownish-yellow with ivory areas; narrow, irregular orange median stripe extending from anterior portion of crown to scutoscutellar suture of mesonotum. Crown ( Figs 1, 2 ) with apical transverse ivory band on ocelli region; two conspicuous transverse dark brown stripes, one below and one above ocelli; pair of transverse ivory marks located medially behind superior dark brown stripe. Ocelli yellowish-white. Eyes brown. Pronotum ( Figs 1, 2 ) with pair of oblique, faint brown maculae on anterior half of disc; pair of orange areas near humeral angles. Forewings ( Fig. 1 ) translucent; veins mostly yellowish-brown; clavus and basal portion of corium with pale yellowish-brown areas; corium with brown macula near costal margin, approximately opposite apex of clavus; basal veins of apical cells marked with brown; apical portion of apical cells slightly darkened. Face pale yellow; apical portion of labium dark brown. Thoracic sclerites pale yellow laterally and ventrally. Legs pale yellow with apices of tarsi dark brown.

Female unknown.

Type material. Brazil. Holotype: male, “ REST . [Restinga de] MARICÁ—RJ \ 8/VIII/1991 \ G. MEJDALANI” (DZRJ).

Etymology. The specific epithet, restingalis , refers to the type locality, Restinga de Maricá , a sandy coastal plain in Rio de Janeiro State, Brazil.

Remarks. The new species is similar to Portanus marginatus Carvalho & Cavichioli, 2003 in some aspects of the color pattern and male genital structures. Both species have yellow to orange ground color and the anterior margin of the crown with transverse dark brown to black stripes ( Figs 1, 2 ; Carvalho & Cavichioli 2003: fig. 8a). The pygofer is short, with a dorsoapical rounded lobe and inner narrow process, which is short and rounded apically ( Fig. 3 ; Carvalho & Cavichioli 2003: fig. 8c). However, the new species has a pair of transverse dark brown stripes anteriorly, one above and one below the ocelli, extending from eye to eye without interruption ( Figs 1, 2 ). The aedeagus has ventrally a basally articulated, bifid long process ( Figs 7, 8 ), which is absent in P. marginatus ( Carvalho & Cavichioli 2003: fig. 8g).

Figures

FIGURES 1 – 8. Portanus restingalis sp. nov. Male holotype: 1, dorsal habitus (antennae and legs not depicted; right forewing partially damaged); 2, head, pronotum, and mesonotum, dorsal view; 3, pygofer, valve and left subgenital plate, lateral view; 4, valve and subgenital plates, ventral view (setae omitted); 5, right style, lateral view; 6, apical portion of right style, dorsal view; 7, connective and aedeagus, lateral view; 8, connective and aedeagus, ventral view. Abbreviations: C = connective, S = shaft of aedeagus, P = process of aedeagus. Scale bars in mm.