Neotrichia catrimani Neto & Passos 2020, sp. nov.

Neotrichia catrimani sp. nov.

Figures: 2A–2D

Diagnosis. This species belongs to the Neotrichia collata Species Group of Marshall (1979) as defined by Keth et al. (2015), based on the phallus apex with paired, sclerotized hooks that are produced from the extreme tip. The male of Neotrichia catrimani sp. nov. is similar to that of Neotrichia cruviana in segment IX having a pair of short dorsal processes extending posterad (Figs 2A, 2C, dp), segment X having a pair of lateral lobes (Figs 2A, 2C), and the apical tip of the phallus produced in a pair of sclerotized hooks curved dorsad (Fig. 2D). The new species differs from N. cruviana in the shorter inferior appendages (Figs 2A, 2B, ia) and the phallus with a third hook that is mesal, short, and acute (Fig. 2D).

Description. Male (in alcohol): Dark brown, with length of each forewing 1.3 mm (holotype). Postoccipital setal warts pronounced, large, ovoid. Antennae 18-articulated; scape normal, cylindrical, slightly longer than pedicel; flagellomeres each as long as pedicel, cylindrical. Maxillary palp formula I-II-IV-III-V (shortest to longest), first two articles shorter than wide. Mesoscutellum with anterior margin convex; metascutellum convexly subtriangular.

Male genitalia. Segment IX, in lateral view, retracted in segment VIII; its anterolateral margins strongly produced anterad at midheight (Fig. 2A), deep rounded excisions present anteriorly in both ventral and dorsal views, dorsal excision almost twice as deep as ventral excision (Figs 2B, 2C); posterolateral margins rounded and membranous (Fig. 2A); posterodorsal margin sinuous and with pair of short processes extending posterad (Figs 2A, 2C, dp). Segment X, in lateral view, membranous, lateral margins wrapping ventromesad around subgenital plate, apically sinuous, pair of lateral lobes tapering apically and directed caudad (Fig. 2A); in dorsal view, slightly rounded, shallowly excised mesally (Fig. 2C); in ventral view, producing pair of basomesal lobes around subgenital plate (Fig. 2B, bl). Subgenital plate, in lateral view, with basal portion shaped as thin inverted V, posterior portion beak-like and directed ventrad apically (Figs 2A, sg); in ventral view, lateral margins each membranous and papillate, apex flanked by pair of short stout setae curved mesad (Fig. 2B, sg). Inferior appendages, in lateral view, each short and tapered to blunt apex, mostly hidden by bracteoles, and with basomesal lobe bearing apical seta (Fig. 2A, ia); in ventral view, each short, with blunt apex, and with basodorsal seta (Fig. 2B, ia). Bracteoles large, setose, spatulate in lateral view (Fig. 2A, br); in dorsal and ventral views, oblong and apically blunt (Figs 2B, 2C, br). Phallus in dorsal view long, apparently without median constriction; paramere ribbon-like, encircling shaft and extending short distance posterad (Fig. 2D, pr); apical portion long and tubular, dorsally with three acute hooks, mesal hook short and curved slightly to left, other two apical, 3 times as long as short hook, robust, strongly sclerotized, and curved dorsad; ejaculatory duct short, protruding mesally (Fig. 2D, ed).

Female, larva, pupa, and egg. Unknown.

Holotype male. BRAZIL: Roraima: Iracema municipality, Vicinal Campos Novos (Fazenda Rancho Fundo), small order stream, 2°21’26.22”N, 61°23’38.98”W, 209 m a.s.l., 16 Mar. 2018, Pennsylvania light trap, J.L. Gama Neto, leg. (alcohol; MPEG).

Distribution: Brazil (Roraima, type locality only).

Etymology. The specific name “ catrimani ” is a noun used in apposition, referring to the Catrimani River, a western tributary of the Branco River.