Nannicerus grandis, Guimarães & Rafael, 2022

Guimarães, Daniel Lucas Praciano & Rafael, José Albertino, 2022, Redescription of Nannicerus Maldonado-Capriles, 1997 (Hemiptera: Cicadellidae: Eurymelinae: Chiasmdolini) and description of two new species from North Brazil, Zootaxa 5169 (3), pp. 286-296 : 293-295

Nannicerus grandis sp. nov.

( Figs. 31–46 )

Type locality. ZF-2, Manaus , Amazons State, Brazil .

Diagnosis. The yellow macula of forewing does not reach costal margin ( Fig. 35 ); UFS apex reaching correspondent ocellus ( Fig. 32 ); femora with median black macula ( Fig. 34 ); apodeme of sternite II shorter than sternite II ( Fig. 36 ); pygofer without a ventral basal projection ( Fig. 37 ); connective with an apical longitudinal keel ( Fig. 41 ); dorsal apodeme of aedeagus with pointed apex ( Fig. 43 ); aedeagus shaft with lateral spines from base to gonopore ( Figs. 43–45 ); laterobasal process of anal tube short, with pointed apex ( Fig. 37, 46 ).

Measurements (mm). Holotype male, total length (to apex of forewing): 6.89; median length of crown: 0.25; length of crown close to eyes: 0.36; width of head: 2.57; width of crown between eyes: 1.35; length of pronotum: 0.83; length of scutellum: 1.36; width of pronotum: 2.15; width of scutellum: 1.86; length of frons: 1.93; width of frons between eyes: 1.35; distance between ocelli: 0.68; ocellocular distance: 0.28; length of clypeus: 0.74; apical width of clypeus: 0.38; basal width of clypeus: 0.46; length of forewing: 5.87. Male (n=1). total length: 6.76; median length of crown: 0.30; length of crown close to eyes: 0.36; width of head: 2.51; width of crown between eyes: 1.30; length of pronotum: 0.87; length of scutellum: 1.27; width of pronotum: 2.14; width of scutellum: 1.82; length of frons: 1.89; width of frons between eyes: 1.30; distance between ocelli: 0.67; ocellocular distance: 0.27; length of clypeus: 0.73; apical width of clypeus: 0.37; basal width of clypeus: 0.42.

Coloration. Male: Color pattern of body as in the generic description, except for: eye with red-tinged internal area ( Figs. 31–34 ). Color pattern of crown, frons, lorum, gena, and clypeus as in N. curica sp. nov. ( Figs. 31–33 ). Pronotum with three black irregular macula ( Figs. 31, 33 ). Scutellum as in N. curica sp. nov. (Figs. 31,33). Forewing with black macula on inner anteapical cell, apical region of 3rd and 4th apical cells, and at base of appendix ( Fig. 35 ); irregular macula which can vary from light yellow to red on clavus ( Fig. 35 ).

Description. Head with anterior margin of crown rounded ( Figs. 31 ); median length shorter (0.3x) than length close to eyes; approximately 0.3x pronotal length. UFS as in N. curica sp. nov. ( Fig. 32 ). Frons 1.43x longer than wide between eyes; distance between ocelli approximately 2.4x longer than ocellocular distance. Clypeus approximately 0.2x wider basally than apically. Rostrum long, posteriorly crossing metacoxa ( Figs. 32, 34 ). Pronotum as in N. curica ( Fig. 31, 33 ). Scutellum approximately 0.2x longer than wide. Combined length of crown and pronotum approximately 0.4x shorter than length of scutellum. Apodemes of sternite II with a distinct triangular projection on basal region, shorter than sternite II, and anterior region somewhat straight ( Fig. 36 ).

Male terminalia. Pygofer as in N. curica sp. nov. ( Fig. 37 ). Subgenital plate 1.5x longer than pygofer. Connective with an apical longitudinal keel ( Fig. 41 ). Style as in N. curica ( Figs. 40, 42 ). Dorsal apodeme of aedeagus with pointed apex ( Fig. 43 ); shaft as in N. curica , except for pointed apex ( Figs. 43–45 ). Anal tube with laterobasal process short, triangular, pointed apex, directed posteroventrally ( Fig. 37, 46 ).

Female unknown.

Etymology. From the Latin grandis = large, great, referring to the size of this species.

Remarks. N. grandis sp. nov. (6.76–6.89 mm) are larger than N. gracilis (3.81–4.35 mm) and N. curica sp. nov. (5.21–5.37 mm). Nannicerus grandis can be easily recognized based on: apodemes of sternite II shorter than sternite II ( Fig. 36 ); connective shaft with apical longitudinal keel ( Fig. 41 ); dorsal apodeme of aedeagus with pointed apex ( Fig. 43 ); laterobasal process of anal tube with pointed apex (37, 46).

Bionomy. Specimens were collected at heights 8 and 16 m at December/January, and May.

Material examined. “ BRASIL, Amazonas , Manaus, ZF-2, \ km-14, 2º35’21’’S – 60º06’55’’W,\ 24.xii–08.i.2018, Malaise gde [grande], \ 16 m alt [altura], lado poente, J.A.Rafael ” ( INPA). Paratype: 1♂: same data of holotype, “ 1–15.v.2018, Malaise gde [grande], 8 m alt [altura], \ poente, J.A.Rafael —Rede BIA” (Holotype male INPA) .

Figures

FIGURES 31–34. Nannicerus grandis sp. nov. male holotype. 31, body, dorsal view. 32, head and thorax ventral view. 33, head and thorax, dorsal view. 34, body, lateral view. Scale bar: 32–33: 0.5 mm, 31,34: 1.0 mm.

FIGURES 35–46. Nannicerus grandis sp. nov. male holotype. 35, forewing. 36, apodemes of Sternite II, dorsal view. Male genitalia: 37, pygofer, lateral view. 38, subgenital plate, lateral view. 39, subgenital plate, ventral view. 40, connective and style, dorsal view. 41, connective, lateral view. 42, style, lateral view. 43, aedeagus, lateral view. 44, aedeagus, posterior view. 45, aedeagus shaft in detail, posterior view. 46, laterobasal process of anal tube in detail, posterior view. Scale bar: 35= 1 mm; 36–46: 0.2 mm.