Nephochaetopteryx pacatubensis Lopes

Nephochaetopteryx pacatubensis Lopes View in CoL

( Fig. 23 View FIGURE 23 )

Nephochaetopteryx pacatubensis Lopes, 1975a: 279 View in CoL . (description of male) Type locality: Brazil, Ceará, Pacatuba. Other references: Pape (1996: 261; catalog).

Type material examined. HOLOTYPE ♁ ( MNRJ): Pacatuba / Ceara, 350 m / BRASIL [printed on rectangular white label] // H.S. Lopes / 23.VIII.73 [printed and handwritten on rectangular white label] // Holotype [printed on rectangular red label]”; “ Nephochaetopteryx / pacatubensis / n. sp. / Holotypus / Det. H.S. Lopes [printed and handwritten on rectangular white label bordered with red] // MNRJ / 2203 View Materials [printed and handwritten on rectangular white label]. [ Holotype glued to a card triangle, lacking legs, with a large hole laterally in the thorax; the abdomen is detached and glued to another card triangle; phallus and gonites in a microvial pinned beneath the specimen; the cercus and epandrium missing.]

Redescription. [A description of the external morphology of N. pacatubensis is not given, since the only known specimen is fragile and crushed, thus hampering a detailed analysis and description. The original description provided by Lopes (1975a) is detailed.]

Male terminalia [descriptions of cercus and surstylus based on the illustrations of Lopes (1975a)]. Cercus short, almost straight, with rounded apex. Cercal prongs parallel with divergent tips in dorsal view ( Fig. 23A View FIGURE 23 ). Dorsal surface of cercus with two excavations ( Fig. 23A View FIGURE 23 ). Surstylus triangular with rounded apex. Pregonite with distal portion perpendicular to base, with pointed tip and with anterior margin with a glossiform projection; posterior margin with pointed setulae ( Fig. 23B View FIGURE 23 ). Postgonite elongate, with tip curved anteriorly and with a long seta on anterior margin ( Fig. 23C View FIGURE 23 ). Basiphallus T-shaped and short, of about one-third of the length of distiphallus ( Fig. 23D View FIGURE 23 ). Distiphallus elongate with dorsal margin sinuous and apical margin rounded in lateral view ( Fig. 23D View FIGURE 23 ). Ventral margin of distiphallus with a large plate-like structure with a lobed projection and serrated margin ( Fig. 23D View FIGURE 23 ). Vesica elongate, angled and narrow, with a short middle triangular projection ( Fig. 23D View FIGURE 23 ).

Female. Unknown.

Distribution. NEOTROPICAL—Brazil ( Ceará).

Remarks. This species differs from the others in the genus in having cercus with two conspicuous dorsal excavations.