Xulavuna adenoptera

Campos, Lucas Denadai De & De Mello, Francisco De A. G., 2014, Taxonomic studies on the Neotropical Landrevinae with description of new taxa (Orthoptera, Grylloidea, Gryllidae), Zootaxa 3852 (2), pp. 151-178 : 168-169

Xulavuna adenoptera de Mello & Campos, n. sp.

Figs. 10 , 11 , 14 , 15 , 16

Type specimens. Holotype male, 5 male, 5 female paratypes [ MZSP]; 5 male, 5 female paratypes [Coleção de Invertebrados do Instituto Nacional de Pesquisas da Amazônia ( INPA)]; 38 male, 56 female paratypes kept at Departamento de Zoologia, Instituto de Biociências, UNESP—São Paulo State University.

Etymology. Alluding to the glandular condition of the male fore wings.

Description. Male: overall coloration medium brown (fig 10A), dark brown on head and pronotum, medium to light brown on abdomen and limbs. Head: eyes blackish, surrounded by a yellowish band (fig. 10E); occiput and gena medium brown; base of mandibles, frons, and clypeus yellowish; median ocellus very tiny and elliptical (fig. 10D). Thorax: Anterior and posterior margins of pronotum very slightly concave, inferior margin of lateral lobes straight ascending on posterior angle (fig. 10C); fore wings (figs. 10F; 14A–D; 16G) strongly modified, slightly longer than pronotum (figs. 10A), dorsal field much reduced and bearing a conspicuous whitish gland, lateral field larger than dorsal field, occupying a dorsal position and bearing ca. 8–9 in-curved, thick, veins; inferior face of the wing showing four very pronounced, wall shaped, parallel veins in the dorsal field area just before the gland (fig. 14C, D). Abdomen: elliptical as seeing from dorsum, strongly depressed, the tergites yellowish brown with a darker band along their distal margins, rendering the specimens a banded abdominal coloration (fig. 10A, B). Supra-anal plate with evenly round disto-lateral corners and colored as in fig. 10H. Thoracic sternites light yellow (fig. 10K). Abdominal sternites light brown; subgenital plate long, its posterior margin concave (fig. 10I). Legs: fore and middle femora whitish to light brown, covered by dark brown pubescence; fore and middle tibia and tarsi darker than respective femora; hind femora caramel-yellow externally, hind tibia and basitarsus darker (fig. 10L). Phallic complex: as described for the genus (fig. 11). Female: supra-anal plate with distal margin evenly round, subgenital plate with straight distal margin, ovipositor valves as in figs. 10M, N, O.

Material examined. 49 male, 66 female and 66 nymphs. Brazil, Amazonas, Manaus, Reserva Adolpho Ducke (2°57'S 59°57'W), 1–15.vii.2011, F. A. G de Mello & C. F. Sperber leg. All specimens preserved in 80% alcohol.

Figures

FIGURE 10. Xulavuna adenoptera n. gen. A — male, dorsal; B — female, dorsal; C — male, lateral head and pronotum; D — male, frontal view of head; E — male eye, perpendicular view; F — male, dorsal field of fore wings; G — male maxillary palpi; H — male supra-anal plate; I — male subgenital plate; J — male, inner face of fore tibia without tympanum; K — male, thoracic sternites; L — hind leg; M, N, O — ovipositor dorsal, ventral and lateral, respectively.

FIGURE 11. Xulavuna adenoptera n. gen. male phallic complex. A, A’ — dorsal view, B, B’ — ventral view, C, C’ — lateral view. Conventions: M. L. Ps. — main lobe of pseudepiphallus; Ps. P. — pseudepiphallic paramere Ect. Arc. — ectophallic arc Ect. F. — ectophallic fold; End. Sc. — endophallic sclerite; Ect. Ap. — ectophallic apodeme; R. — rami.

FIGURE 14. (A to D, Xulavuna adenoptera n. sp.; E to G, Yarrubura nigricephala, n. sp.). A — male right fore wing, dorsal view (a — dorsal field; b — lateral field); B — right fore wing gland, dorsal view; C — right wing ventral view; D — right fore wing, ventral view of dorsal field; E — male body of Y. nigricephala, n. sp. after wing removal showing abdominal glandular structures (I, II, III — abdominal tergites); F — Glandular structures on abdominal tergite I; G — same, lateral view.

FIGURE 15. Female copulatory papilla dorsal (1) ventral (2) and lateral (3) views. A — Brasilodontus itabunensis sp. n.; B — B. itamarajuensis sp. n.; C — B. riodocensis; D — B. portosegurensis sp. n.; E — B. apterus sp. n.; F — B. mucuriensis; G — Yarrubura nigricephala sp. n.; H — Xulavuna adenoptera sp. n.

FIGURE 16. Males fore wings. A — Brasilodontus itabunensis sp. n.; B — B. itamarajuensis sp. n.; C — B. portosegurensis sp. n.; D — B. mucuriensis; E— Yarrubura nigricephala sp. n.; F — B. riodocensis; G — Xulavuna adenoptera sp. n.