Tupiperla serrulata, Duarte & Novaes & Bispo, 2019

Duarte, Tácio, Novaes, Marcos Carneiro & Bispo, Pitágoras Da Conceição, 2019, Five new species of Tupiperla Froehlich, 1969 (Plecoptera: Gripopterygidae), Zootaxa 4671 (4), pp. 511-526 : 517-518

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Tupiperla serrulata

sp. nov.

Tupiperla serrulata sp. nov.

( Figs. 2 View FIGURE 2 C–D, Figs. 4 View FIGURE 4 A–E)

Material Examined. Holotype. Male. Brazil: Santa Catarina: Grão Pará, Serra Furada State Park , S28°10’27’’, W49°23’38’’, 14.x-16.xi.2012, Malaise trap, LC Pinho, LC Gomes & AL Schlindwein col. ( MZSP). GoogleMaps

Paratypes. Same data as holotype, except for: 44 males (2 males at UFBA) , 23 females (2 females at UFBA) ; same data, except for: Rio Braço Esquerdo , S28°09’01’’, W49°21’21’’, 16.xi.2012, light trap, LC Pinho, LC Gomes & AL Schlindwein col., 2 males GoogleMaps ; Santa Catarina: Urubici, RPPN Portal das Nascentes , S28°03’12’’, W49°22’27’’, 19.viii-12.x.2013, Malaise trap, LC Pinho et al. col., 1 male GoogleMaps .

Measurement. Holotype, male: head width, 1.0 mm; pronotum width, 0.82 mm; pronotum length, 0.71 mm; forewing length, 8.4 mm; hind wing length, 7.3 mm; 15 cercomeres.

Paratypes: males (n= 47): head width, 0.9–1.0 mm; pronotum width, 0.8–0.82 mm; pronotum length, 0.7–0.72 mm; forewing length, 8.3–8.4 mm; hind wing length, 7.2–7.4 mm; 14–16 cercomeres. Females (n= 25): head width, 1.0– 1.1 mm; pronotum width, 0.85–0.87 mm; pronotum length, 0.73–0.74 mm; forewing length, 8.7–9.0 mm; hind wing length, 8.1–8.3 mm; 12–17 cercomeres.

Description. Tupiperla serrulata sp. nov. is a small sized species. General color light brown. Head brown with a lighter area in front of the coronal fork, and laterally to the eyes ( Fig. 2C View FIGURE 2 ); ocelli and eyes black; anterior part of frons brown; labrum and clypeus brown. Maxillary and labial palpi light brown. Antenna brown. Pronotum light brown, squarish, with margins milky, and narrower than the head ( Fig. 2C View FIGURE 2 ). Legs light brown, covered with thin bristles; femur with a disto-ventral spine present; tibia with two spurs distally; tarsi with tarsomere 1 medium, tarsomere 2 short, and tarsomere 3 long. Wings membranous, light brown; forewing with a pale darker pattern bordering veins and crossveins, a weak pterostigmatic crossvein present, RA unforked, RP forked and CuA long forked; hind wing with M3+4, near its separation from M1+2, fused with CuA in part of its length, CuA median forked, 6th anal vein fused with hind margin of wing ( Fig. 2D View FIGURE 2 ).

Male. Abdomen light brown to ochraceous. T10 light brown, with a clear band at proximal border, laterodistal part whitish. T10 extension, in dorsal view, elongated, base narrower than forked apex ( Fig. 4A View FIGURE 4 ); in lateral view, straight dorsally, ending in two downcurved teeth ( Fig. 4C View FIGURE 4 ). Paraprocts, in ventral view, thin, and elongated ( Fig. 4B View FIGURE 4 ); in lateral view, with constant width over most of its length, disto-dorsal margin with a row of minute teeth, appearing as serrated, distal region curved ( Fig. 4C View FIGURE 4 ). Subgenital plate ochraceous, ovoid-shaped, and with apex rounded ( Fig. 4B View FIGURE 4 ). Epiproct absent.

Female. Abdominal segments 1–7 light brown; sternum 7 (St7) with inconspicuous sclerites. Several thin bristles covering St8–10 and paraprocts. St8 forms an elongated subgenital plate with base rounded, lateral margin concave, ending in a rounded apex reaching St9 ( Figs. 4D, E View FIGURE 4 ). Paraprocts short, and with apex slightly rounded ( Fig. 4E View FIGURE 4 ).

Nymphs. unknown.

Remarks. Tupiperla serrulata has a weak pterostigmatic crossvein in the forewing, an unusual character state in Tupiperla ( Froehlich, 1998) . Excepting this, the species fits the concept of the genus. In addition to this character, this new species can be distinguished from the congeners by the shape of the paraprocts in males, and by the subgenital plate of females. The paraprocts of T. serrulata resemble in part those of T. tessellata , however, T. serrulata has the dorsal margin serrated, whereas in T. tessellata it is smooth. The female of T. serrulata has an elongated subgenital plate with lateral margins concave.

Tupiperla serrulata is described from male and female specimens collected in the municipalities of Grão Pará and Urubici, Santa Catarina State, Brazil. The material was primarily collected with Malaise traps set from December to November in the Serra Furada State Park (PAESF), a conservation area between the municipalities of Grão Pará and Orleans. The PAESF has an area of 13.3 km 2 and an altitude varying from 400 to 1,480 m a.s.l. and pro- tects numerous springs ( IMA, 2019). The relative humidity in the area is high, around 85%, and the average annual rainfall of 1,500 mm.

Etymology. The specific name serrulata from Latin meaning small toothed, refers to the serrated area of the paraprocts.


Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo