Esthlogena (Pseudotaxia) bella, Galileo & Martins & Tirant & Santos-Silva, 2014

Galileo, Maria Helena M., Martins, Ubirajara R., Tirant, Stéphane Le & Santos-Silva, Antonio, 2014, Five new species of Cerambycidae (Coleoptera) from Peru and Bolivia, and two new records for Peru, Insecta Mundi 2014 (376), pp. 1-13 : 10-12

Esthlogena (Pseudotaxia) bella sp. nov.

( Figures 22–25 )

Description. Holotype male. Integument dark-brown, almost black in some areas. Head. Frons moderately coarsely, deeply, sparsely punctate; pubescence brown-yellowish, very short laterally and near clypeus, slightly longer centrally towards vertex; around inferior ocular lobes very narrow band of grayish pubescence; with long sparse setae. Coronal suture distinct from clypeus to anterior edge of prothorax. Pubescence on antennal tubercles distinctly exposing integument; with long, sparse setae. Area between superior ocular lobes with punctures slightly coarse than on frons, laterally aligned, centrally sparser; pubescence yellowish, except small aligned patches of grayish pubescence close to eyes; with long sparse setae. Area between superior ocular lobes and anterior edge of prothorax with brown-yellowish pubescence; impunctate. Area behind region of connection of ocular lobes and inferior ocular lobes with grayish pubescence; with long, sparse setae; coarsely, sparsely punctate. Genae with finely, sparsely punctate; pubescence grayish; with long, sparse setae. Gulamentum most glabrous, impunctate, except on intermaxillary process that has short grayish pubescence, mixed by long, sparse setae, and very fine, moderately dense punctures. Distance between superior ocular lobes equal to 0.4 times length of scape; distance between inferior ocular lobes equal to 0.6 times length of scape. Antennae as long as 2.0 times elytral length; reaching elytral apex about middle of antennomere VIII; scape, pedicel and antennomeres with grayish pubescence; scape and pedicel with long, sparse setae, mainly ventrally; antennomeres III–X ventrally with long, sparse setae, dorsally with long setae at apex; antennomere XI ventrally with long, sparse setae; antennal formula based on antennomere III: scape = 0.81; pedicel = 0.17; IV = 1.47; V = 1.10; VI = 1.00; VII = 0.95; VIII = 0.90; IX = 0.85; X = 0.81; XI = 0.85.

Thorax. Prothorax, without lateral tubercles, slightly wider than long; lateral tubercles large, conical. Pronotal disc laterally with two slightly elevate tubercles about middle of anterior half; basal half with large, elliptical, slightly elevate callosity at basal center; surface moderately coarsely, sparsely punctate, except on discal tubercles and callosity; base with transverse, deep, narrow sulcus, followed by distinct, transverse elevation, centrally rounded projected; anteriorly, at each side, narrow, well marked transverse sulcus; pubescence dense, brown-yellowish (more grayish depending of the angle of incision of light), less dense, slightly darker on basal transverse elevation, and laterally, between base and lateral tubercles of prothorax (this latter area centrally with grayish pubescence). Lateral sides of prothorax with grayish, very short pubescence (somewhat more brownish depending of angle of incision of light); moderately, finely, shallowly, sparsely punctate (more distinctly on base). Ventral side of thorax with grayish pubescence (more brownish depending of angle of incision of light); central area of metasternum with pubescence distinctly sparser. Prosternum coarsely, moderately abundantly punctate on center, sparser towards lateral sides. Prosternal process with pubescence as on prosternum; punctures slightly smaller than on prosternum, partially confluent. Mesosternum very coarsely, confluently punctate on base. Metasternum laterally very finely, sparsely punctate (punctures more distinct near central longitudinal sulcus. Scutellum with brownish pubescence, laterally, on basal half with narrow band of grayish pubescence. Elytra. Covered by brown-yellowish pubescence; moderately coarsely, abundantly, irregularly punctate on basal third, distinctly finer, aligned towards apex; apex slightly obliquely truncate.

Abdomen. Urosternites with grayish pubescence (more brownish depending of angle of incision of light), mixed by long, sparse setae; urosternites I–IV finely, sparsely punctate; urosternite V moderately coarsely punctate on distal half. Legs. Pubescence grayish, distinctly brown-yellowish around apex of tibiae (mainly meso- and metatibiae).

Paratype female. Tubercles and callosity on pronotal disc slightly more conspicuous. Antennae 1.5 times as long as elytra; reaching elytral apex at middle of antennomere X. Distal area of urosternite V distinctly depressed .

Dimensions in mm (male/female). Total length, 18.3/18.1; length of prothorax at center, 3.7/3.4; anterior width of prothorax, 3.1/3.0; posterior width of prothorax, 3.7/3.4; largest width of prothorax, 5.0/4.5; humeral width, 5.1/4.8; elytral length, 13.1/13.1.

Type material. Holotype male ( MZSP) and paratype female ( IMCQ) from PERU, Pasco: Pozuzo , VIII.2013, local collector.

Etymology. Latin, bella = beautiful.

Remarks. Esthlogena (Pseudotaxia) bella differs from E. (P.) proletaria Thomson, 1868 , mainly by the discal tubercles on pronotum less distinctly elevated (well-elevated in E. (P.) proletaria ) and by the pronotal pubescence almost totally obliterating the integument (not so in E. (P.) proletaria ). It differs from E. (P.) obliquata Breuning, 1940 by the scutellum mostly with dark pubescence (whitish in E. (P.) obliquata ) and by the lateral tubercles of prothorax large (small in E. (P.) obliquata , according to Breuning 1940).

The two new species of Colobothea herein described can be included in the alternative of couplet “2”, from Breuning (1961) (translated):

2. —

Scutellum pubescence white, differing from elytra ............ E. (P.) obliquata Breuning, 1940 Scutellum pubescence not white (the same as elytra) ................................................................ 3

3(2).

—

Pronotal pubescence dense, obliterating almost totally the integument; pronotal tubercles and callosity slightly elevated ....................................................................... E. (P.) bella sp. nov.

Pronotal pubescence not quite obliterating integument; pronotal tubercles and callosity well marked .............................................................................. E. (P.) proletaria Thomson, 1868

New Distribution Records

Ataxia obscura (Fabricius, 1801) ( Lamiinae , Pteropliini ) is recorded from Peru, new country record. PERU, Pasco: Pozuzo, 1 female, VI.2012, local coll. (MZSP). This species was described from “America meridionali”, without detailed place. Currently it is known from Ecuador, Guyana, French Guiana, Bolivia, and Brazil (Amazonas, Pará, Rondônia, Mato Grosso, Maranhão) ( Monné 2014 – with omission of Guyana).

Adetus cylindricus (Bates, 1866) ( Lamiinae , Apomecynini ) is recorded from Peru, new country record. PERU, Pasco: Pozuzo, 1 female, VI.2012, local Coll. (MZSP). This species was described from Brazil (Pará), and it is also known from Ecuador and Bolivia ( Monné 2014).

Figures

Figures 14–25. 14–17) Colobothea larriveei, holotype female: 14) Dorsal habitus; 15) Ventral habitus; 16) Lateral habitus; 17) Head, frontal view. 18–21) Colobothea boliviana, holotype male: 18) Dorsal habitus; 19) Ventral habitus; 20) Lateral habitus; 21) Head, frontal view. 22–25) Esthlogena (Pseudotaxia) bella, holotype male: 22) Dorsal habitus; 23) Ventral habitus; 24) Lateral habitus; 25) Head, frontal view.