Anacroneuria calori

Duarte, Tácio & Lecci, Lucas Silveira, 2016, New species and records of Anacroneuria (Plecoptera: Perlidae) from the northeastern semi-arid region of Brazil, Zootaxa 4079 (2), pp. -1--1: 294-297

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Anacroneuria calori

n. sp.

Anacroneuria calori  n. sp.

( Figs. 2A –DView FIGURES 2 and Figs. 3A –FView FIGURES 3)

Type Material. Holotype, male: BR, CE: Ubajara, Serra da Ibiapaba, Parque Nacional de Ubajara, Cachoeira Cafundó, 03°50'10.9''S, 40°54'39.2''W, 826m, light trap, 22.x.2011, VG & TD. Paratypes: same data as holotype, except for: 4 males, 7 females; same data, except for: light pan trap, 22.x.2011, VG & TD, 4 males, 3 females; same data, except for: 28.x.2011, VG & TD, 5 males, 4 females; same data, except for: Córrego Gavião, 03°49'50.6''S, 40°54'36.8''W, 833m, light pan trap, 26.x.2011, VG & TD, 2 males; CE, Crato, Nascente do Engenho da Serra, 07°08'5.9''S, 39°34'32.1''W, 726m, light trap, 05.ii.2011, FQ & AC, 4 males; same data, except for: Sítio Fundão, Rio Batateiras, 07°13'47.7''S, 39°26'8.4''W, 436m, light trap, 07.ii.2011, FQ & AC, 1 male; CE, Barbalha, Município de Arajara, Arajara Park, Gruta do Farias, 07°19'58.3''S, 39°24'46.6''S, 745m, 24.vii.2009, ARCAbout ARC & LL, 2 females.

Description. A small sized species. Holotype, male: forewing length, 11 mm. Paratypes, males (n= 19): forewing length, 10–11 mm; females (n= 16): forewing length, 15–17 mm.

General color light brown. Head and pronotum light brown (specimens from Ubajara) to yellowish (specimens from Crato); central frons area brown in males (specimens from Ubajara), yellowish in females; clypeus and occiput ochraceous to yellowish ( Figs. 2A, B, CView FIGURES 2). Antennae with scape brownish, lighter basally; pedicel and flagellum brownish. Palpi light brown. Pronotum light brown, two strips darker laterally and lighter median strip; anterior corners rounded, posterior corners rounded. Membrane and veins of wings brownish ( Fig. 2DView FIGURES 2). Legs ochraceous with dark strip in distal part of the femur. Cerci light brown.

Male. Sternum IX with dark posterior strip; row of thick bristles in lateral corners ( Fig. 3AView FIGURES 3). Hammer simple truncate cone. Penial armature ( Figs. 3B, C, DView FIGURES 3) with pair of large distal vesicles. In dorsal view, terminal tube opens into a long gonopore, conical at base ( Fig. 3CView FIGURES 3). Gonopore robust in lateral view, distal region curved, median region sinuous with a small elevation ( Fig. 3DView FIGURES 3). Hooks regularly curved and acute apically.

Female. Subgenital plate ochraceous, 4-lobed; lateral lobes larger than median lobes, sinuous ( Fig. 3EView FIGURES 3). Sternum VIII with thick bristles laterally; median lobes with small sclerotized band. Sternum IX with field of long bristles. Egg conical, simple ( Fig. 3FView FIGURES 3).

Remarks. All specimens from Serra da Ibiapaba, Ubajara have the head and pronotum light brown, whereas specimens from Crato are more yellowish. However, specimens from both localities have identical penial armature. The penial armature resembles to that of A. terere  , however the median region of the terminal tube in A. calori  is sinuous with a small point whereas in A. terere  it is concave. In addition, the distal vesicles are present in A. calori  and absent in A. terere  . The female lateral lobes resemble A. cathia Froehlich, 2002  , A. rondoniae Froehlich, 2002  , and A. subcostalis Klapálek, 1921  . However, in A. calori  the median notch is not as wide and not as deep.

Etymology. The specific name calori  is in honor to Dr. Adolfo R. Calor for his contributions to the knowledge of aquatic insects of Brazil. The name is a noun in apposition.


Atlantic Reference Centre