Anacroneuria
Creators: name: Stark, Bill P.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Anacroneuria

description: Provisional key for male <i>Anacroneuria</i> known for Guyana (Male <i>A. wapishana</i> Stark 1999 unknown) 1 Forewing patterned with a longitudinal amber band, narrow at the base and expanded around an unpigmented circular area beyond cord (Fig. 7), pattern obscure in some specimens.….…….…. 2 1’ Forewing pattern not as above …………………. 3 2 Hammer width greater than height (Fig. 8); aedeagal apex somewhat circular in lateral aspect (Fig. 10); dorsal keel line short and reaching apex (Fig. 11) …………………...…………. <i>A. wokomung</i> 2’ Hammer laterally compressed, height greater than width (Fig. 1); aedeagal apex curved ventrad but flattened across ventroapical margin (Fig. 4); dorsal keel line obscure, but weak arms diverge near tip (Fig. 5) ……………………… <i>A. pakaraima</i> 3 Apical aedeagal section with a prominent pair of membranous lobes (Fig. 9 in Stark, 1999) …….. 4 3’ Apical aedeagal section without membranous lobes (Fig. 3 in Stark, 2000) …………………….. 6 4 Aedeagal hooks stout (Fig. 29 in Stark, 1999); body of aedeagus with a dorsomesal, transverse, arcuate process (Fig. 31 in Stark, 1999) …..…………….……………….……..… <i>A. makushi</i> 4’ Aedeagal hooks relatively slender (Figs. 9, 45 in Stark, 1999); body of aedeagus without dorsomesal, transverse, arcuate process …..…… 5 5 Apex of aedeagus gradually narrowed from hooks to tip (Fig. 9 in Stark, 1999); inner margins of hooks smooth …………………...…… <i>A. arawak</i> 5’ Apex of aedeagus flared subapically (Fig. 45 in Stark, 1999); inner margins of hooks irregularly scalloped …….………………………. <i>A. phantoma</i> 6 Dorsal aedeagal keel a basally directed triangular process (Fig. 52 in Stark, 1999); R-vein of forewing conspicuously darker than others (Fig. 53 in Stark, 1999) …………………….……………… <i>A. pictipes</i> 6’ Dorsal aedeagal keel consists of a pair of narrowly separated ridges (Fig. 5 in Stark, 2000); R-vein similarly pigmented to other forewing veins ……………………………………………….. 7 7 Hooks almost straight and crossing near aedeagal midlength (Fig. 91 in Stark, 1995).….….. <i>A. cruza</i> 7’ Hooks evenly curved and crossing at base of aedeagal apex (Fig. 3 in Stark, 2000) ….……….. 8 8 Aedeagal apex truncate, width of aedeagal base ca. 2.6 times width of aedeagal apex (Fig. 2 in Stark, 2000) ……………………………… <i>A. takutu</i> 8’ Aedeagal apex rounded, width of aedeagal base ca. 6.5 times width of aedeagal apex (Fig. 109 in Stark, 1995) ……………………..…………. <i>A. llana</i>
description: Published as part of <i>Stark, Bill P., 2012, Anacroneuria Pakaraima And A. Wokomung, Two New Stonefly Species From Guyana (Plecoptera: Perlidae), pp. 114-118 in Illiesia 8 (10)</i> on pages 117-118, DOI: 10.5281/zenodo.4760603
description: {"references": ["Stark, B. P. 1999. Anacroneuria from northeastern South America (Insecta: Plecoptera: Perlidae). Proceedings of the Biological Society of Washington, 112: 70 - 93.", "Stark, B. P. 2000. Notes on the Anacroneuria (Plecoptera: Perlidae) of Guyana with the description of a new species. Aquatic Insects, 22: 305 - 310.", "Stark, B. P. 1995. New species and records of Anacroneuria (Klapalek) from Venezuela (Insecta, Plecoptera, Perlidae). Spixiana, 18: 211 - 249."]}