Pariacaca Szwedo, 2002

Jones, Joshua R. & Deitz, Lewis L., 2009, Phylogeny and systematics of the leafhopper subfamily Ledrinae (Hemiptera: Cicadellidae) 2186, Zootaxa 2186 (1), pp. 1-120 : 61

Genus Pariacaca Szwedo

Pariacaca Szwedo, 2002: 155 .

Type species: P. icanoensis Szwedo, 2002: 155 , 158, figs. 1–18.

Synonymy: None.

Description: Szwedo (2002): “Diagnosis: In general appearance similar to the genera Xerophloea Germar, 1839 and Proranus Spinola, 1850 , but distinctly smaller than Proranus Spin. Head, in lateral view, declivent toward apex, face not horizontal (in Xerophloea , if declivent—then less). Vertex convex, with distinct mediolateral carinae and anteriad [sic] transverse carina (transverse carina absent in Xerophloea ), median carina not complete, present only anteriad [sic] of connection with transverse carina. Interocular width of vertex more than twice its mid-length (at most twice its mid length in Xerophloea ). Anteclypeus protruding below the lower margin of genae. Pronotum distinctly inflated and declivent cephalad, with distinct median carina. Four stout setae on the plantar surface of metathoracic basitarsomere (three in Xerophloea ). Lobe of pygofer angulately wide in median portion (rounded in Xerophloea ), with three rows of stout thick setae and with a dozen or so, longer and more slender setae in lower portion.

“Description: Robust leafhoppers with head, pronotum, mesonotum and basal portion of tegmina with numerous circular pits, frequently with a short seta arising from center of each pit (figs. 1, 5, & 18). Head slightly narrower than pronotum, vertex with anterior margin rounded, in lateral view declivent toward apex, with distinct mediolateral carinae. Disc of vertex convex, with deep posteromedian concavity between lateral carinae and transverse anterior carina. Eyes well developed, ocelli on disc of vertex (fig. 1). Face in lateral view not horizontal, with frontoclypeus slightly swollen. Anteclypeus slightly swollen in upper portion, with lateral margins slightly diverging, then distinctly converging, lower portion of anteclypeus distinctly exceeding the line of lower angles of genae (fig. 2). Pronotum large, slightly wider than head, distinctly inflated almost from anterior margin (fig. 1). Tegmen with appendix extending around tegmen apex, venation distinct (fig. 5). Wings with venation pattern as in Xerophloea , with four apical cells (fig. 6). Male genitalia with pygofer lobes wide, with stout setae and fine chatae (fig. 12). Male genital plates elongate with fine chetae. Styles widened apicad, with obtusely angulate apex and small anteapical projection. Aedeagus laterally compressed, extreme base produced for attachment with connective, sub-basally broadened, tapered anteriorly to nearly tube-like apical part, slightly curved dorsad, gonopore apical (figs. 14–17).”

Range: Argentina (Chaco de Santiago del Estero: Rio Salado ) .

Species. [1]: icanoensis Szwedo.

Host plants. Unknown

Material examined. None.

Remarks. From Szwedo’s drawings, this genus is strongly allied to Xerophloea . The strongly expressed punctation, appendix on the forewings, metathoracic femur macrosetae formula, metathoracic tibia macrosetal rows, metathoracic tarsomere I shape, tuft of short stiff setae at the apex of the pygofer, narrow parallel-sided pygofer plates, and median dorsal lobe on the aedeagus support this relationship.