Sicoderus lucidus 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 : 322-323

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Sicoderus lucidus Anderson

n. sp.

Sicoderus lucidus Anderson , n. sp.

( Figures 43–44 View FIGURES 41–44 , 48 View FIGURES 45–48 . Map 10)

Sicoderus new sp. (near contiguous Vanin ); O’Brien and Turnbow 2011: 9

Description: Length male, 4.5–6.0 mm; female, 4.7–5.8 mm. Integument black, shining. Eyes separated by a distance about one-half width rostrum at midlength. Rostrum 1.03–1.13x length elytra in male; 1.20–1.36x length elytra in female. Antennal insertion at about apical 1/ 3 in male, slightly beyond midlength in female. Prothorax constricted anteriorly, globose, widest at about middle; punctures widely spaced, very small, very shallow on disc and laterally on flanks; no setae present. Elytra in dorsal view widest at midlength, lateral margins convergent both anteriorly and posteriorly; humeri fully reduced, not at all angulate; no setae present. Strial punctures evident, small, shallow; striae not impressed. Membranous wings absent. Abdominal ventrite 1 of male in middle near posterior margin with two small raised patches of fine setosity; of female, uniformly convex in middle near posterior margin. Ventrite 5 flattened medially in male, rounded in female. Legs with front femora with ventral margin with small sharp tooth, middle and hind femora each with small blunt tooth; tarsal claws lacking small basal tooth. Aedeagus (fi.g 48) widest towards apex, internal sac with pair of elongate thick basal sclerites subparallel. Female not dissected.

Material examined: 8 males, 3 females. Holotype male ( CWOB), labelled DOMINICA: St. George Parish, Morne Trois Pitons National Park, Freshwater Lake Road , 2600’ , 13.VIII.1986, L. & C.W. O’Brien. Paratypes. Data as holotype (2 males, 2 females, CMNC, CWOB). 21.VIII.1986, L. & C.W. O’Brien (1 male; CWOB). 16.VIII.1986, L. & C.W. O’Brien (1 male, 1 female; CWOB). 25.VI.2004, C.W. & L. O’Brien (1 male; CWOB). St. David Parish, Emerald Pool Trail , 20.VI.2004, R. Turnbow (1 male; CMNC). Syndicate Falls Nature Trail, 1600’ , 28.VI.2994, C.W. and L. O’Brien (1 male; CWOB).

Derivation of species name: This species is named ‘lucidus’ after its shining, almost glabrous and impunctate appearance.

Comments: This species is very similar to S. delauneyi from Guadeloupe but S. lucidus has a small basal tooth on each tarsal claw, the setose patches on ventrite 1 of the abdomen of males are located at the posterior margin of the ventrite, and the basal sclerite of the internal sac of the male genitalia is different.














Sicoderus lucidus Anderson

Anderson, Robert S. 2018


O’Brien and Turnbow 2011 : 9
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