Sicoderus striatolateralis Anderson, 2018

Anderson, Robert S., 2018, The genus Sicoderus Vanin 1986 (Coleoptera: Curculionidae: Curculioninae: Erodiscini) in the West Indies, Zootaxa 4497 (3), pp. 301-345 : 332-333

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Sicoderus striatolateralis Anderson

n. sp.

Sicoderus striatolateralis Anderson , n. sp.

( Figures 73–74 View FIGURES 73–76 , 81 View FIGURES 81–84 . Map 5)

Description: Length male, 3.0– 4.6 mm; female, 3.4–4.7 mm. Integument black, shining. Eyes moderately separated by a distance about one-half width rostrum at midlength. Rostrum 1.05–1.11x length elytra in male; 1.20–1.27x length elytra in female. Antennal insertion at about apical 1/ 3 in male, at about apical 2/ 5 in female. Prothorax constricted anteriorly, globose, widest at about middle; punctures moderately dense, regularly spaced, very fine and shallow on disc and laterally on flanks; erect setae absent; posterolateral flange (extended over base of elytra) with dense microstriae. Elytra in dorsal view widest at about midlength, lateral margins convergent both anteriorly and posteriorly; humeri fully reduced, not at all angulate; scattered erect fine setae very few to absent. Strial punctures evident, small, shallow; striae not impressed. Membranous wings absent. Abdominal ventrite 1 of male in middle near posterior margin with two closely spaced small patches of setosity; of female, uniformly convex in middle near posterior margin. Ventrite 5 of male flattened medially towards apex, not setose; of female, uniformly convex. Legs with front femora only with very small, blunt tooth on inner margin; tarsal claws with small basal tooth. Aedeagus (fig. 81) widest at apex, internal sac with pair of superimposed elongate sclerites sinistrally curved at about basal 1/3 of length. Female not dissected.

Material examined: 2 males, 3 females. Holotype male ( CMNC), labelled DOMINICAN REPUBLIC: Province Barahona, near Filipinas, Mt. Tutu, 26.VI.–7.VII. 1992, P.E. Skelley, day catch beating. Paratypes . Province Barahona, near Filipinas, Larimar Mine , 26.VI.–7.VII. 1992, R.E. Woodruff & P.E. Skelley, day beating (1 female, FSCA). Sierra de Baoruco, El Cachote, 18°03.295’N, 71°09.778’W, 960m, arboreal moss, unsifted, 8.XII.2014, A.S. Konstantinov (1 male, 2 females; CMNC, USNM). GoogleMaps

Derivation of species name: This species is named ‘striatolateralis’ after the distinctive microstriate lateral pronotal flange, a feature shared only with S. pseudostriatolateralis .

Natural History: Adults have been collected beating vegetation and from unsifted, arboreal moss (960 m).

Comments: This species is very similar to S. pseudostriatolateralis from Pedernales Province and into Haiti. Sicoderus striatolateralis has a blunt tooth on the front femora, few if any elytral setae and different male genitalia.


Florida State Collection of Arthropods, The Museum of Entomology


Smithsonian Institution, National Museum of Natural History













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