Lepturges (Lepturges) luanae, Santos-Silva & Botero & Flechtmann, 2023

Santos-Silva, Antonio, Botero, Juan Pablo & Flechtmann, Carlos Alberto Hector, 2023, A new species and taxonomical and geographical notes on Neotropical Cerambycidae (Coleoptera), Papéis Avulsos de Zoologia 63, pp. 1-14 : 8-10

Lepturges (Lepturges) luanae sp. nov. ( Fig. 3 )

Description: Holotype female: Integument mostly brown, with irregular dark-brown or dark reddish-brown areas; anterior area of anteclypeus yellowish-brown; labrum brownish basally, gradually pale yellowish brown toward anterior margin; maxillary palpomeres I-III brown, and IV yellowish brown; labial palpomeres I-II dark yellowish brown, III light yellowish brown; antennomeres III-VI dark brown on apex; antennomeres VII-X dark brown; antennomere XI dark brown with reddish-brown apex. Elytra gradually lighter toward apex. Tibiae gradually dark brown toward apex; tarsomeres mostly dark brown.Ventrites 1-4 dark brown laterally, mostly reddish brown centrally; 5 mostly dark brown.

Head ( Figs. 3A, 3D ): Frons finely, abundantly punctate; with abundant yellowish-white pubescence not obscuring integument (pubescence whiter depending on light intensity), a short, erect setae of same color interspersed laterally; with a few long, erect dark-brown setae close to eyes.Vertex and area behind upper eye lobes with sculpturing and pubescence as on frons, except smooth and glabrous median groove; with a few long, erect dark-brown setae close to eyes. Area behind lower eye lobes almost smooth; with dense yellowish-white pubescent band close to eye, glabrous on remaining surface. Antennal tubercles with sculpturing and pubescence as on frons, except almost glabrous area o dorsal base. Genae finely, somewhat rugose-punctate, except smooth apex; with moderately sparse yellowish-white pubescence, except glabrous smooth area; with a few long, erect dark brown setae toward ventral surface. Gulamentum slightly transversely striate, glabrous, except narrow, depressed, finely punctate, with yellowish-white pubescence not obscuring integument anterior area. Postclypeus with abundant, bristly yellowish-white pubescence not obscuring integument, and long, erect dark-brown setae interspersed. Labrum with somewhat sparse yellowish-white pubescence on posterior half,almost glabrous on anterior half;with long, erect dark brown setae interspersed on posterior half.Distance between upper eye lobes 0.25 times distance between outer margins of eyes; in frontal view, distance between lower eye lobes 0.50 times distance between outer margins of eyes. Antennae 3.1 times elytral length, reaching elytral apex at middle of antennomere VI. Scape, pedicel, and flagellomeres with whitish pubescence not obscuring integument; scape with a few long, erect blackish setae on ventral apex; pedicel with long, erect, thick black setae ventrally; antennomeres III-VII with long, erect, thick, sparse black setae ventrally, sparser from IV; antennomeres VI-X with a few long,erect,thick black setae dorsally; antennomeres III-X with a few long, erect, black setae apically; antennomeres IV-XI with short, erect yellowish setae interspersed dorsally and laterally.Antennal formula based on length of antennomere III: scape = 1.38; pedicel = 0.14; IV = 1.14; V = 1.14; VI = 1.19; VII = 1.14; VIII = 1.14; IX = 1.19; X = 1.38; XI = 2.14.

Thorax ( Figs. 3A, 3C ): Prothorax distinctly wider than long; sides gradually widened toward lateral tubercles, which are located on posterolateral angles. Pronotum very finely, densely punctate, except arched row of coarse and deep punctures near posterior margin; with abundant, dense yellowish-white pubescence, forming wide longitudinal band centrally and slightly distinct longitudinal band on each side, both from base to apex, and distinctly shorter, somewhat yellowish pubescence between longitudinal bands. Sides of prothorax very finely, abundantly punctate; with abundant yellowish-white pubescence not obscuring integument (pubescence whiter depending on light intensity). Prosternum with dense yellowish-white pubescence laterally, pubescence whiter, distinctly sparser centrally. Prosternal process with whitish pubescence not obscuring integument; strongly narrowed centrally, with narrowest area 0.1 times procoxal width. Ventral surface of meso- and metathorax with abundant whitish pubescence not obscuring integument. Scutellum with abundant yellowish-white pubescence partially obscuring integument.

Elytra ( Figs. 3A, 3C ): Coarsely, abundantly punctate on anterior third, punctures gradually finer and sparser toward apex; each elytron with five longitudinal white pubescent bands dorsally, one on anterior third close to suture, one laterally on anterior third, one on middle, longest, located more closer to suture than side, one laterally from just before middle to posterior quarter, another on posterior third close to suture; remaining surface with abundant yellowish-white pubescence not obscuring integument; apex truncate. Legs ( Figs. 3B ): Femora with abundant whitish pubescence partially obscuring integument.Tibiae with abundant whitish pubescence not obscuring integument dorsally, pubescence gradually dark yellowish brown toward ventral surface, except posterior half with bristly, dark brown pubescence; with short, erect, thick, black setae interspersed on meso- and metatibiae.Metatarsomere I 1.4 times longer than II-III together.

Abdomen ( Figs. 3B ): Ventrites with abundant whitish pubescence not obscuring integument, denser laterally on ventrites 1-4. Apex of ventrite 5 concave.

Dimensions(mm): Total length,5.30;prothoracic length, 0.80; anterior prothoracic width, 1.10;posterior and maximum prothoracic width, 1.55; humeral width, 1.80; elytral length, 3.80.

Type material: Holotype female from BRAZIL, Goiás: Niquelândia, Fazenda Rio do Peixe, Khaya grandiloliola stand planted Dec /2012, ethanol-baited FIT, 14°24′51.39″S, 48°46′52.67″W, 11.XI.2018, L.M. Santos leg. ( MZSP 52178 , formerly MEFEIS).

Etymology: The name is given in honor of Luana Souza Covre, for her outstanding contributions in the survey of Brazilian Cerambycidae .

Remarks: Lepturges (Lepturges) luanae sp. nov. is similar to L. (L.) funereus Monné, 1976 (see photographs on Bezark, 2022), but differs as follows: lateral tubercles of the prothorax located on posterolateral angles; elytra with five longitudinal whitish pubescent bands, with similar width; elytral apex truncate. In L. (L.) funereus , lateral tubercles of the prothorax not located on posterolateral angles; elytra with seven pubescent maculae with different shape, size, and width; elytral apex rounded. The new species differs from L. (L.) fisheri Melzer, 1928 (see photographs on Bezark, 2022), by the distance between upper eye lobes shorter than twice maximum diameter of the scape (equal to twice maximum diameter of the scape in L. (L.) fisheri ), wider upper eye lobes (narrower in L. (L.) fisheri ), elytra with five longitudinal whitish pubescent bands dorsally (six with different shape and position in L. (L.) fisheri ), and elytra not obliquely truncate at apex (obliquely truncate, forming acute outer angle in L. (L.) fisheri ).

Figures

Figure 3. Lepturges (Lepturges) luanae, holotype female:(A) Dorsal habitus;(B)Ventral habitus;(C) Lateral habitus;(D) Head,frontal view.