Docalidia acuminata, Nielson, 2011

Nielson, M. W., 2011, New species in the Neotropical genus Docalidia with a key to known species, notes on distribution, taxonomy and a synoptic catalogue of the genus (Hemiptera: Cicadellidae: Coelidiinae: Teruliini) 2952, Zootaxa 2952 (1), pp. 1-86 : 19

Docalidia acuminata , sp. nov.

(Plate 1C, Figures 18–24 )

Length. Male 5.50–6.00 mm.; female 6.00–6.50 mm.

External morphology. Small, robust species. General color of dorsum black except for brown head and forewings with numerous, irregular shaped translucent markings, small uniform, concolorous tannish spots on veins; (Plate 1C); face black, clypeus with anterior margin yellowish brown.

Head broad, narrower than pronotum, anterior margin broadly rounded; crown narrower than eye, slightly produced beyond anterior margin of eyes; eyes large, elongate-ovoid; pronotum about as long as crown, surface bullated; mesonotum large, nearly twice as long as pronotum; forewings long and broad, venation typical of the genus; clypeus long, lateral margins broadly convergent, median longitudinal carina prominent; clypellus narrow, apex flared, median longitudinal ridge inflated.

Male genitalia. Pygofer in lateral view somewhat triangulate, caudodorsal process long, narrow, sharply pointed apically, caudoventral process long, broad, apex narrowed, curved ventrally ( Fig. 18 ); right subgenital plate long, narrow, glabrous ( Fig. 19 ); right style long, narrow, shorter than aedeagus, aphophysis glabrous, narrow, attenuated apically ( Figs. 20, 21 ); aedeagus asymmetrical, tubular, with moderately long, subapical process directed basally, gonopore medial on ventral margin ( Figs. 22, 23 ); connective Y-shaped, arms membranous except lateroventrally, medial ridge present, stem short, semispherical ( Fig. 24 ).

Female. Seventh sternum nearly twice as long as penultimate segment, caudal margin excised medially ( Fig. 25 ).

Material examined. Holotype male. BRAZIL: Sao Paulo, San Jose dos Campos, 7–21 Jun 1999, Enrico R. DePaula ( RDJ) . Paratypes, 9 males, 6 females, same data as holotype except dates vary from 19–22 Aug 1997 to 17–24 1999 ( RJD, USU, MLBM, NMNH) .

Etymology. The name is descriptive for the acuminate apophysis of the styles.

Remarks. This species is nearest to D. glabra (Nielson, 1982: 255) in pygofer and style features and can be distinguished by presence of the aedeagal ventral process which is absent in D. glabra , by the more acuminate apophysis of the style and by the apex of the caudoventral pygofer process which is sharply curved ventrally, not dorsally as in D. glabra .

Figures

FIGURES 18–25. Docalidia acuminata, sp. nov. (18) pygofer, lateral view; (19) right subgenital plate, ventral view; (20) right style, lateral view; (21) right style, dorsal view; (22); aedeagus and dorsal connective, lateral view; (23) aedeagus, ventral view; (24) connective, caudal view; (25) female 7th sternite, ventral view.