Rhyparoclopius aokiae sp. nov.

(Figs. 6–38)

Description. Male (Figs. 6–30). Measurements (in mm): HOLOTYPE: Total length: 13.2; head: total length: 2.4; maximum width across the eyes: 1.35; anteocular length: 1.5; postocular length: 0.4; interocular space: 0.8; antennal segments: I: 0.9; II: 1.4; III: 0.5; IV: 0.6; rostral segments: I: 1.1; II: 1.2; III: 0.6. Thorax: pronotum: fore lobe length: 1.6; hind lobe: length: 0.8; width at posterior margin: 2.4; scutellum: length: 1.0; width at base: 0.75; hemelytra length: 3.7. Legs: fore legs: femur: 3.2; tibia: 2.6; tarsus: 0.8; mid legs: femur: 2.9; tibia: 2.9; tarsus: 0.7; hind legs: femur: 4.2; tibia: 5.1; tarsus: 0.9. Abdomen: length: 6.8; maximum width: 5.0. PARATYPE: Total length: 12.2; head: total length: 2.3; maximum width across the eyes: 1.35; anteocular length: 1.4; postocular length: 0.5; interocular space: 0.8; antennal segments: I: 0.7; II: 1.4; III: 0.4; IV: 0.55; rostral segments: I: 1.1; II: 1.2; III: 0.5. Thorax: pronotum: fore lobe length: 1.5; hind lobe: length: 0.7; width at posterior margin: 2.2; scutellum: length: 0.8; width at base: 0.65; hemelytra length: 3.0. Legs: fore legs: femur: 2.9; tibia: 2.6; tarsus: 0.8; mid legs: femur: 2.9; tibia: 2.7; tarsus: 0.65; hind legs: femur: 4.1; tibia: 5.2; tarsus: 0.9. Abdomen: length: 6.0; maximum width: 4.4. General color brownish to blackish with second segment of rostrum, except on apex, irregular spots on femora, a sub-basal and larger sub-apical rings on fore and middle femora, hind tibia, except on basis, which are brighter to yellowish; middle and hind tarsi somewhat brighter as well. Integument covered with bright erect bristles, curved and erect hairs (Figs. 6–10). HEAD: first antennal segment with a long, erect conspicuous bristle at middle third of medial face; ocelli very small; eyes with erect short bristles. THORAX: hemelytra short, reaching apical portion of tergite III [second visible] or basal third of tergite IV, membrane glabrous; hind wings short. Scutellum with two lateral swellings covered with numerous yellowish hairs; basal mid portion moderately excavated; apex pointed (Figs. 6–8). ABDOMEN: dorsal abdominal scent glands visible between tergites III–IV and IV–V; on distal portion of the latter, medially, a small tubercle covered with numerous pale hairs is present. Lateral posterior margins of tergites projected slightly, more pronounced on tergites V and VI; last tergite (VII) with two short rounded prominences laterally (Figs. 6–7, 9–13). MALE GENITALIA: pygophore sub-rectangular (Figs. 12–15), median process of pygophore triangular, not visible on ventral view (Fig. 16). Parameres apices close to each other in resting position (Fig. 15); symmetrical, moderately curved, covered with strong hairs on distal half, with a rounded apex, a keel on medial surface of approximately distal third, which ends as a rounded subapical protuberance; near the latter, on distal portion, a subspherical somewhat small structure is visible; a smaller round protuberance is present adjacent to basal portion of the medial keel (Figs. 17–19). Phallus simple (Figs. 20–21); articulatory apparatus with long pedicel (Figs. 20–21); dorsal phallotheca plate somewhat subpentagonal (Figs. 21, 24); basal plates struts larger in base, curved, connected apically (Figs. 21, 24–26). Endosoma (Figs. 21, 27–30) with a pair of basal processes which includes tooth-like structures (Figs. 21, 27–28), in which distal portion is contiguous with other pair of processes formed by fine thickening of endosoma (Figs. 21, 29); laterally to these, another pair of discrete elongated thickening of endosoma (Fig. 21); at the apex of endosoma, a pair of rounded processes of conjunctive (Fig. 30).

Female (Figs. 31–38). Measurements (in mm): Total length: 13.2–14.0; head: total length: 2.5; maximum width across the eyes: 1.4–1.5; anteocular length: 1.5–1.6; postocular length: 0.6; interocular space: 0.8–0.9; antennal segments: I: 0.9; II: 1.3; III: 0.4; IV: 0.55–0.6; rostral segments: I: 1.0–1.1; II: 1.1–1.2; III: 0.6. Thorax: pronotum: fore lobe length: 1.5–1.6; hind lobe: length: 0.7–0.8; width at posterior margin: 2.4–2.5; scutellum: length: 0.9–1.0; width at base: 0.7–0.8. Hemelytra length: 2.8–3.3; Legs: fore legs: femur: 3.2; tibia: 2.8–2.9; tarsus: 0.7–0.75; mid legs: femur: 2.9–3.0; tibia: 2.8; tarsus: 0.7; hind legs: femur: 4.1; tibia: 4.8–5.3; tarsus: 0.9. Abdomen: length: 7.2–7.8; maximum width: 5.0 – 5.3. Similar to male; first antennal segment with a long, erect conspicuous bristle at middle third of medial face as well (Figs. 33–34); lateral posterior margins of tergites less projected (Figs. 31–32, 35); abdomen apex moderately rounded (Figs. 31–32, 35). Female genitalia: gonocoxite and gonapophysis VIII, gonocoxite IX, and gonapophysis IX as shown in Figs. 36, 37 and 38, respectively.

Type material: BRAZIL, Mato Grosso do Sul, Corumbá, Serra do Amolar (18° 05’S – 57°28’ W), holotype male, pitfall trap, 29.VII.2010, C. Aoki leg. [MNRJ]; male paratype, baited pitfall trap, 31.VII.2010, C. Aoki leg. [CTIOC]; female paratypes, baited pitfall trap, 30.III.2011, C. Aoki leg. [MNRJ], [CTIOC]; Miranda, Fazenda [Farm] Baía Bonita (20° 07’29.62”S – 56°42’12.97” W), paratype female, pitfall trap, 04.XII.2011 [ZUFMS].

Etymology. The new species is named in honor of Camila Aoki for her important contributions in the study of entomological fauna in the state of Mato Grosso do Sul, Brazil.