Bisaltes (Bisaltes) brevicornis Breuning, 1939

Juárez-Noé, Gino & Perales-Chiscul, Franco, 2024, First record of Bisaltes (Bisaltes) brevicornis Breuning, 1939 (Coleoptera: Cerambycidae: Lamiinae: Apomecynini) in Peru, with notes regarding other Peruvian species of Bisaltes (s. str.) Thomson, 1868, Revista Chilena de Entomología (Rev. Chil. Entomol.) 50 (1), pp. 75-81 : 76-78

Bisaltes (Bisaltes) brevicornis Breuning, 1939

( Figs. 1-6 )

Diagnosis. The male specimen examined has integument black. Antennae long attaining base of distal one-fourth of elytra; scape and pedicel with dorsal yellowish-brown pubescence, exposing integument at: distal fourth of antennomere III, VI, VIII, X and XI, half of antennomere IV, distal four-fifths of antennomere V, VII and IX. Antennal formula (ratio) based on length of antennomere III: scape = 1.00; pedicel = 0.21; IV = 1.05; V = 0.81; VI = 0.65; VII = 0.58; VIII = 0.52; IX = 0.44; X = 0.39; XI = 0.30. Pronotum with slender dark longitudinal bands, in the middle, from base to apex. Scutellum with slender longitudinal yellowish-brown pubescent band. Elytra with oblique longitudinal yellowish-white pubescent band, vaguely mottled with dark-brown pubescence, at basal half, from outer edge (not attaining humerus) to suture, joined to slender longitudinal yellowish-white pubescent band along suture from a bit beyond middle to almost before apical quarter; transverse yellowish-white pubescent band, from suture to outer edge, at preapical area; apical edge with yellowish-white pubescence; apex obliquely emarginate.

Bisaltes . (B.) brevicornis is very similar to Bisaltes (B.) confusa described from Peru. However, it differs by inferior ocular lobes of the eyes as long as genae (shorter than the genae in B. (B.) confusa ), antennomere III exposing integument on distal one-fourth (antennomere III not exposing integument in B. (B.) confusa ), scutellum large with slender central pubescence forming longitudinal band (scutellum small with wide central pubescence not forming longitudinal band in B. (B.) confusa ), oblique longitudinal yellowish-white pubescent band not reaching humerus and attaining the suture beyond the middle (reaching humerus and attaining the suture almost before the middle in B. (B.) confusa ). The other four species of Bisaltes recorded to Peru are very different, mainly in the design of the elytral pubescence.

Distribution. Currently, Bisaltes (B.) brevicornis it is known from Brazil (Minas Gerais), Ecuador (Loja) and Bolivia ( Breuning 1939, 1971; Bezark 2023; Tavakilian & Chevillotte 2023; Monné 2024). Herein we report this species from the Peruvian region of Lambayeque, representing a new country record for this species. The male specimen was hand-collected in an urban area of the city on leaves of Duranta erecta L. ( Verbenaceae ).

Material examined. 1 male. PERU, Lambayeque region, Chiclayo province, Reque district (central park), 06°51’55.1’’S, 79°49’07.9’’W, 25 m, 7-XII-2023, hand-collected, F. Perales leg. ( MUPRG) .

Species of Bisaltes (s. str.) recorded for Peru

Figures

Figures 1-3. Bisaltes (B.) brevicornis Breuning, 1939. Male from Peru. 1. Dorsal view. 2. Ventral view. 3. Lateral view. Scale: 3 mm. / Figuras 1-3. Bisaltes (B.) brevicornis Breuning, 1939. Macho de Perú. 1. Vista dorsal. 2. Vista ventral. 3. Vista lateral. Escala: 3 mm.

Figures 4-7. Bisaltes (B.) brevicornis Breuning, 1939. 4-6. Male from Peru. 4. Left antenna, frontal view. 5. Head, frontal view. Scale: 0.5 mm. 6. Photograph of alive individual. 7. Holotype male Bisaltes (B.) brevicornis Breuning, 1939 (BMNH). Photo by Keita Matsumoto. / Figuras 4-7. Bisaltes (B.) brevicornis Breuning, 1939. 4-6. Macho de Perú.4. Antena izquierda, vista frontal.5. Cabeza, vista frontal. Escala: 0,5 mm. 6. FotografÍa de un individuo vivo. 7. Holotipo macho de Bisaltes (B.) brevicornis Breuning, 1939 (BMNH). Foto por Keita Matsumoto.