Acrogonia amazonensis, Silva, Roberta Dos Santos Da, Cavichioli, Rodney R., Takiya, Daniela M. & Mejdalani, Gabriel, 2017

Silva, Roberta Dos Santos Da, Cavichioli, Rodney R., Takiya, Daniela M. & Mejdalani, Gabriel, 2017, Descriptions of eight new Acrogonia species from the Amazon region, including peculiar features of the female genitalia (Hemiptera: Cicadellidae: Cicadellinae: Proconiini), Zootaxa 4244 (4), pp. 515-534 : 516-518

Acrogonia amazonensis sp. nov.

( Figs. 1–9 )

Total length. Male holotype 8.5 mm; female unknown.

Holotype description. Head and thorax. Head ( Figs. 1–2 ) strongly produced anteriorly; median length of crown approximately 9/10 interocular width and 5/10 transocular width. Crown ( Fig. 1 ), in dorsal view, with triangular form; with carina and elevation at transition to face; coronal suture distinct; ocelli located behind imaginary line between anterior eye angles, each approximately equidistant between median line of crown and adjacent anterior eye angle; with median fovea, without sculpturing or setae. Antennal ledges, in dorsal view, slightly protuberant; in lateral view, carinate dorsally. Frons convex; muscle impressions distinct; epistomal suture obscure medially; clypeus not produced, its contour continuing profile of frons. Thorax ( Figs. 1–2 ) with width of pronotum less than transocular width of head; lateral pronotal margins parallel; posterior margin emarginate; dorsopleural carinae complete; pronotal disc with rugae, without pubescence; mesonotum with scutellum not transversely striate. Forewings ( Figs. 1–2 ) with coriaceous texture; membrane restricted to apical cells, apical portions of anteapical cells and extending anteriorly along costal margin. Hind legs with femoral setal formula 2:0:0; length of first tarsomere greater than combined length of two more distal tarsomeres.

Color. Ground color of anterior dorsum ( Fig. 1 ) mostly dark green; crown with irregular yellow maculae bordering anterior margin from apex to antennal ledges and also extending along inner eye margins; pronotum with small irregular yellow marks anteriorly; mesonotum with yellow apex. Forewings ( Figs. 1–2 ) dark green, except for membranous portions and irregular pale marks. Face and lateral and ventral portions of thorax yellow to greenish-yellow; frons brown on superior portion; lateral lobe of pronotum dark brown on superior portion. Legs brownish-yellow.

Male genitalia. Pygofer ( Fig. 3 ), in lateral view, strongly produced posteriorly; with distinct lobe on basiventral portion; dorsoapical portion folded inward; setae distributed mostly on median and distal third of disc. Subgenital plates ( Fig. 4 ), in ventral view, subtriangular; basal third expanded laterally and then tapering abruptly toward apex; apical portion small, digitiform, appearing articulated at its base with remainder of plate; in lateral view, plates short, not extending posteriorly beyond basal half of pygofer; plate surface with scattered setae. Connective ( Fig. 5 ), in dorsal view, T-shaped; stalk narrow, with median keel [a previously unknown feature in the genus], apex expanded. Style ( Fig. 5 ), in dorsal view, extending posteriorly slightly farther than apex of connective; preapical lobe distinct, bearing few setae; apical portion directed outward; apex acute ( Fig. 6 ). Aedeagus ( Figs. 7– 8 ) symmetrical; shaft, in lateral view ( Fig. 7 ), short and slightly curved dorsally, without processes; in ventral view ( Fig. 8 ), with pair of lateral sclerotized lines, slightly narrowed apically; aedeagal base with pair of elongate slender processes, their length twice length of shaft and apices acute. Anal tube ( Fig. 9 ) without processes.

Female unknown.

Etymology. The new species name, amazonensis , refers to the state of Amazonas, northern Brazil.

Type material. Holotype: male, “ BRASIL, AM [state of Amazonas], Manaus, Rod. [ Rodovia ] AM\ 0 10, km50. ZF-2, km27, próximo\ entrada LBA, 02°35`S ;60°06`W.\ 5–6.iii.2011. 21–00:00h. Arm. [Armadilha]\ luminosa móvel. J.T. Camara;\ P. Dias; J. A. Rafael leg” (INPA).

Figures

FIGURES 1 – 9. Acrogonia amazonensis sp. nov. 1, body, male holotype (INPA), dorsal view (total length 8.5 mm); 2, body, male holotype, lateral view; 3 – 9, male genitalia: 3, pygofer, lateral view; 4, valve and subgenital plates, ventral view; 5, styles and connective, dorsal view; 6, apex of style at a higher magnification; 7, aedeagus and its basal processes, lateral view; 8, aedeagus and its basal processes, ventral view; 9, anal tube, lateral view. Scale bars: 3, 9 = 1 mm; 4, 5, 7, 8 = 0.5 mm; 6 = 0. 25 mm.