Antarctoperla aonikenk Vera 2023, sp. n.

• Main Author: Vera, Alejandro
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Plecoptera; Gripopterygidae; Antarctoperla; Antarctoperla aonikenk; Antarc*
• Online Access: https://doi.org/10.5281/zenodo.8313787; http://treatment.plazi.org/id/F27A1B09FFC8FFDA6FF7DD7AFDDE5406

Antarctoperla aonikenk Vera sp. n. urn:lsid:zoobank.org:act: 2CBAD66F-4B9D-4895-A5AE-21B9439E2600 (Male, Figs. 1–11; Female: Figs. 18–20, 23, 26) Specimens Type material. Holotype, male, Chile, Región de Magallanes, Morro Chico, 52°03’S 71°25’W, November 12 1967, col. P. Cerda (MCCN). Paratypes: 3 females, data as for the holotype (MCCN). Original label is Fig. 26. Diagnosis. Male. Brachypterous (Figs. 2, 5). Tergum X with articulated anterior, central, and posterior sclerites (Fig. 7); posterior sclerite large, extending over tergum X, cardioid in dorsal view, apex with a spatula-shaped tooth (Figs. 7–10). Epiproct elongated, with a row of 14 continuous small teeth on the lateral margins (Fig. 10). Paraprocts slightly curved at the apex (Figs. 8, 11). Female. Macropterous (Fig. 23); wings broader than those of other Antarctoperla , veins similar but with an unusual increase in transversal veins and more profound patterning; forewings with a sclerotized spot on the basal lamina of anal region (Fig. 18). Subgenital plate medially divided into two rectangular plates, with lateral carine (Figs. 19–20). Paraprocts truncate. Adult male description. Dimensions (mm). Male holotype: body length 8.7; antenna> 3.5 (incomplete); head length 1.6, width 1.9; pronotum length 1.3, width 1.7; mesonotum length 1.3 and metanotum length 1.3; forewing 3.9; length of the femur, tibiae and tarsi for foreleg: 1.7, 1.7, 0.3, 0.1, 0.6; middle leg: 2.2, 2.3, 0.3, 0.1, 0.9; and hind leg: 2.8, 3.3, 0.5, 0.2, 1; cercus 0.7. Head. Globular, as long as wide (Fig. 3), brown with a lighter epistomal suture; epicranium with rugosities; eyes black; three similar ocelli, laterals more distant from each other; cephalic capsule covered in minute setae. Antennae brown (Fig. 1), covered in minute hair-like setae; scape slightly longer than wide, pedicel like first annulus, flagellum with 25 or more moniliform flagellomeres (holotype with incomplete flagellum). Clypeus and labrum yellow, labrum rectangular. Maxillary and labial palps yellow ...