Neoperla darlingi Stark &amp; Sivec 2007, sp. n.
Creators: name: Stark, Bill P.
name: Sivec, Ignac
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlidae
Neoperla
Neoperla darlingi

description: <i>Neoperla darlingi</i> sp. n. (Figs. 3&amp;hyphen;6) <b>Material examined.</b> Holotype &amp;male; from Indonesia, West Kalimantan, Gunung Palung National Park, Cabang Panti Research Station, 1° 15’ S, 100° 05’ E, 100&amp;hyphen;400 m, June 15&amp;hyphen;August 15 1991, Malaise trap, IIS 910113, D.C. Darling, Rosichon, Sutrisno (MZB). <b>Adult habitus.</b> General color yellow brown without distinctive markings. Head uniformly pale brown, antennal bases pale but slightly darker distally. Pronotum pale brown, legs yellow brown. Wing membrane transparent, veins brown. <b>Male.</b> Forewing length 9 mm. Process of tergum 7 broadly rounded and armed on apex with sensilla basiconica. Median sclerite of tergum 8 flat but with conspicuous patch of sensilla basiconica scattered over sclerite and more sparsely on membranous field. Tergum 9 with a pair of low humps covered with sparse patches of sensilla basiconica. Hemiterga typical, anterior finger lobes bent outward near mid length (Fig. 3). Aedeagal tube plump and poorly sclerotized; sac bearing two pairs of lateral, membranous, spiny lobes; small pair located lateral to apex of dorsal sclerite and larger pair located just beyond (Figs. 4&amp;hyphen;6). Armature consists of variably sized spines with largest located near apex of sac as a patch on dorsum and a short median row on venter; minute spines cover much of area beyond lobes; armature on lobes more prominent on larger lobe particularly on ventral surfaces; area between lobes connected by irregular rows of moderate sized spines on dorsum and on venter by a low hump covered with minute spinules. <b>Female.</b> Unknown. <b>Larva</b> Unknown. <b>Etymology.</b> The patronym honors D.C. Darling, collector of the holotype and other specimens used in our studies. <b>Diagnosis.</b> This species is a member of the <i>oculata</i> complex of the <i>montivaga</i> group as defined by Zwick (1986a) but the aedeagus is more similar to <i>N. flavicincta</i> Zwick, from Sumatra and <i>N. flinti</i> Sivec from the Philippines than to other members of the complex known from Borneo (Sivec 1984; Zwick 1986a; Zwick &amp; Sivec 1985). From the former species it differs in having two pairs of lateral spiny lobes and in details of the apical spine patch; from the latter species it differs in lacking a mid ventrobasal spiny lobe on the aedeagal sac and in having the lateral lobes located adjacent to one another.
description: Published as part of <i>Stark, Bill P. &amp; Sivec, Ignac, 2007, Studies Of Indonesian Perlidae (Plecoptera), With Descriptions Of Three New Species, pp. 53-64 in Illiesia 3 (7)</i> on pages 55-56, DOI: 10.5281/zenodo.4758713
description: {"references": ["Zwick, P. 1986 a. The Bornean species of the stonefly genus Neoperla (Plecoptera: Perlidae). Aquatic Insects, 8: 1 - 53.", "Sivec, I. 1984. Study of genus Neoperla (Plecoptera: Perlidae) from the Philippines. Scopolia, 7: 1 - 44.", "Zwick, P. &amp; I. Sivec. 1985. Supplements to the Perlidae (Plecoptera) of Sumatra. Spixiana, 8: 123 - 133."]}