Scolytocis bouchardi Lopes-Andrade

Lopes-Andrade, Cristiano, 2008, An essay on the tribe Xylographellini (Coleoptera: Tenebrionoidea: Ciidae), Zootaxa 1832 (1), pp. 1-110: 16-17

publication ID

http://doi.org/ 10.11646/zootaxa.1832.1.1

publication LSID

lsid:zoobank.org:pub:45A82AD6-F369-4A74-A280-048BAE6E2DA5

persistent identifier

http://treatment.plazi.org/id/038E87B5-FFBC-CE60-FF6A-4BA8FD1BFA53

treatment provided by

Felipe

scientific name

Scolytocis bouchardi Lopes-Andrade
status

sp. nov.

Scolytocis bouchardi Lopes-Andrade   sp. nov. ( Figs 27–29 View FIGURES 27–29 , 54 View FIGURES 54–56 , 63A View FIGURES 63–65 , 66A View FIGURES 66–68 , 69 View FIGURES 69–71 , 80 View FIGURE 80 )

Etymology

The species is named after Dr. Patrice Bouchard, curator of the Coleoptera   collection of CNCI. Among the specimens loaned by CNCI, I found the first specimens of two new Scolytocis species   described here ( Scol. bouchardi   sp. nov. and Scol. howdeni   sp. nov.). The study of the remaining specimens will certainly enhance the current knowledge on the Ciidae   taxonomy, mainly of the Neotropical fauna.

Diagnosis

The species belongs to the bouchardi   species-group, due to the smooth posterior margin of pronotum and the triconcave prosternum. It differs from Scol. difficillimus   sp. nov. by combination of the following characters: (i) width of eye usually more than 1.2X the basal width of scutellum; (ii) basal width of scutellum near 0.17X the greatest elytral width; (iii) Metatibiae less than 4X as long as broad.

Description

Holotype. ( Figs 27–29 View FIGURES 27–29 ) Measurements in mm: TL 1.42; PL 0.47; PW 0.58; EL 0.89; EW 0.63; GD 0.58. Ratios: PL/PW 0.81; EL/EW 1.41; EL/PL 1.89; GD/EW 0.92; TL/EW 2.25. Body dark brown; head and pronotum darker than elytra, almost black; antennae, mouthparts and legs light yellowish brown. Head sparsely punctate, finely and inconspicuously microreticulate. Each antenna ( Fig. 63A View FIGURES 63–65 ; paratype) with nine antennomeres (FL 0.098mm; CL 0.170mm; CL/FL 1.74); length of the antennomeres (in mm) as follows: 0.088; 0.043; 0.048; 0.018; 0.015; 0.018; 0.045; 0.045; 0.080. Eyes with greatest width 1.28X the basal width of scutellum. Pronotum sparsely punctate; puncture fine, shallow, separated by a distance of two to four puncture widths; interstice between punctures inconspicuously, finely microreticulate; anterolateral margins slightly arched inwards; posterolateral angles broadly rounded; posterior margin without rugose border. Scutellum bearing small punctures near the anterior margin, interstice smooth and shiny; basal width 0.17X the EW. Elytral punctation subseriate; puncture coarser, shallower and more irregular than those of pronotum; interstice between punctures shiny, rugose, but not microreticulate; elytral apex subacute, with some sparse and small cuticular globules; apical region bearing a concavity. Each hindwing ( Fig. 54 View FIGURES 54–56 ; paratype) with apical area bearing one vague, incomplete pigmented line near the anterior margin. Prosternum triconcave, without longitudinal carina at midline; surface shiny, rather smooth, with indistinct rugosity in high magnifications (>100X). Metaventrite bearing small and sparse setae; discrimen one-fourth the length of metaventrite at midline. Abdominal ventrites bearing small and sparse setae. Each metatibia ( Fig. 66A View FIGURES 66–68 , paratype) broadly rounded, near 3.5X as long as broad; outer edge with spines (around 20) regularly distributed at basal two thirds and then getting sparser. Male genitalia (in a paratype). ( Fig. 69 View FIGURES 69–71 , paratype from Oaxaca, Mexico) Apex of tegmen (sclerotized apical two-thirds) subtriangular; median lobe extremely membranous, elongate, near 1.5X longer than tegmen.  

Type series

Holotype. ( CNCI) Guatemala: /GUAT. Isabal [sic], 2 Km N Las Escobas 300m, 15.XI.1986 M. Sharkey / Scolytocis bouchardi Lopes-Andrade     HOLOTYPUS [printed on red paper] /. Paratypes. Guatemala: 4 speci-  

mens (2 CNCI, 2 LAPC), same data as holotype. Mexico: 1 specimen (CMNC) /MEX: Veracruz, 33Km N. Catemaco, Los Tuxtlas Biology Stn. 8-15.VI.1984 D. H. Lindeman / Scolytocis sp.   [handwritten] Det. J. F. Lawrence [printed]/; 2 specimens (1 ANIC,1 LAPC) / 6mi. S Valle Nac. 2000’ Oaxaca MEX. July 30, 1971 A. Newton, coll. / Rigidoporus sp.   / J. F. Lawrence Lot [printed] 3312 [handwritten]/; 12 specimens (1 ANIC, 7 FMNH, 4 LAPC) /Tezonapa Veracruz, MEX [printed] VIII-41 [handwritten] / Col. by Henry S. Dybas/; 11 specimens (7 FMNH, 4 LAPC) /El Fortin, Ver. MEX. VII-9.41 H.S. Dybas #23 / ex Polyporus   [printed] lignosus [handwritten]/; 8 specimens (6 FMNH, 2 LAPC) /El Fortin, Ver. MEX. VII-9-41 H. Dybas # [printed] 23 [handwritten] / ex Polyporus lignosus   /; 21 specimens (1 ANIC, 1 SMTD, 12 FMNH, 7 LAPC) /El Fortin Veracruz Mex. [printed] VII-9-41 [handwritten] / H.S. Dybas coll. [printed] 23 [handwritten] / ex Polyporus   [printed] lignosus [handwritten]/. All the paratypes labeled / Scolytocis bouchardi Lopes-Andrade   PARATY- PUS [printed on yellow paper]/

Variation

Measurements in mm (n = 24, including the holotype): TL 1.37–1.58 (1.46 ± 0.05); PL 0.42–0.53 (0.48 ± 0.02); PW 0.58–0.63 (0.61 ± 0.03); EL 0.84–1.05 (0.93 ± 0.05); EW 0.63–0.74 (0.68 ± 0.03); GD 0.58–0.68 (0.63 ± 0.03). Ratios: PL/PW 0.73–0.84 (0.78 ± 0.04); EL/EW 1.29–1.54 (1.37 ± 0.05); EL/PL 1.70–2.25 (1.96 ± 0.13); GD/EW 0.85–1.08 (0.93 ± 0.05); TL/EW 2.07–2.33 (2.16 ± 0.09).

Distribution Known only from Guatemala and Mexico ( Fig. 80 View FIGURE 80 ).

Host fungi Rigidoporus sp.   ( Meripilaceae   ).

Comments

The “triconcave” prosternum of Scol. bouchardi   sp. nov. and Scol. difficillimus   sp. nov. is unique among the Xylographellini   , although that is a character not easy to observe (the prosternum itself is very short in Scolytocis   ). The “triconcave” prosternum is here defined as the prosternum with a slightly concave disc, with either lateral side concave but in different plane than the disc, appearing triconcave in frontal view. Scolytocis bouchardi   sp. nov. is closely related to Scol. difficillimus   sp. nov. (from Ecuador).

Specimens of both Scol. bouchardi   sp. nov. and Scol. difficillimus   sp. nov. may be confused with the species of the lawrencei   group, mainly with Scol. lawrencei   sp. nov. However, the species of the bouchardi   group have larger hindwings and smaller male genitalia.

CNCI

Canadian National Collection Insects

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Ciidae

Genus

Scolytocis