Dodomeira trinacriae

Baviera, Cosimo, 2017, A taxonomic monograph of the genus Dodomeira Bellò & Baviera, a new genus of Peritelini from Sicily (Coleoptera: Curculionidae: Entiminae), Zootaxa 4334 (1), pp. 1-138 : 60-63

publication ID 10.11646/zootaxa.4334.1.1

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Dodomeira trinacriae


Dodomeira trinacriae View in CoL ( Bellò & Baviera, 2011), comb. n.

( Figures 18, 18a, 18b, 18c, 18d, 18e, 18f, 18 View FIGURES 18 – 18 ’, 18’a, 18’b, 18’c, 18’d, 18’e, 18’f, 42c, 47, 52, 57, 77, 116)

Pseudomeira trinacriae: Bellò & Baviera, 2011 View in CoL : 35 View Cited Treatment , 68; Pierotti, 2013b: 353; Abbazzi & Zinetti, 2013: 91.

Type locality. Sicily, Palermo, Altavilla Milicia, Capo Grosso ( Fig. 158 View FIGURE 158 ).

Diagnosis. A small or medium-sized Dodomeira (3.20–3.80 mm) belonging to the exigua group with more stubby body. Within the species group, it is recognisable by oval but slightly elongate elytra whitout humeri.

Elytral declivity with elongate and recumbent setae (15°–30°). Antenna short and robust. Penis with rounded apex. Sizes: pronotum (length: 0.65–0.85 mm, width: 0.83–0.95 mm, ratio 0.78–0.89), elytra (length: 2.10–2.50 mm, width: 1.35–1.60 mm, ratio 1.56–1.57).

Material examined. Holotype with the following labels: [transparent label with genitalia in DHMF] // [white, printed] ♂ // [white, printed] “Palermo, Altavilla Milicia, Capo Grosso, 24.V.97, leg. Bellò” // [green, printed] "coll. Cesare Bellò" // [red, partly printed] “ Pseudomeira trinacriae sp. n., Holotypus, det. Bellò 2010” // [white, printed] “ Dodomeira trinacriae ( Bellò & Baviera, 2011) det. Bellò 2016 ” (CBE). Paratypes: 25 males and 30 females (CBA, CBE, ECO, GOS, HPI, LFO, MTE).

Holotype redescription. Male Figs. 18, 18a View FIGURES 18 – 18 . Total length: 3.40 mm. Stubby body. Elytra oval-elongate. Dorsal vestiture with imbricate, brownish-golden scales with metallic sheen.

Rostrum clothed by golden-brown scales, transverse (length/width ratio 0.68), sub-parallel to the sides. Pterygia visible. Epistome inconspicuous and slightly concave. Mesorostrum concave, anteriorly with eight thin, short, semi-erect setae. Vertex wide and convex (vertex width / mesorostrum width: ratio 1.60) with several, elongate, clavate, recumbent setae. Interocular space with not visible fovea. Lateral, relatively small, spherical eyes slightly protruding from outline of head. Antenna robust and short with recumbent, golden/silvery, widened setae. Antenna with ratio 0.83 (scape length: 0.75 mm, funicle length: 0.90 mm). Scape clubbed hardly more robust than funicle, curved al basal third and progressively thickening towards apex. Funicle segments including club, relative lengths as follows:; first five segments with widened setae; segments 3–7 pearl-shaped. Club not twice wider than funicle, compact, fusiform with suture between first and second segment not visible.

Pronotum clothed with brownish-golden scales, transverse (length: 0.75 mm, width: 0.85 mm, ratio: 0.88), slightly sub-conical, rounded at the sides, wider in the middle, with short, quite clavate, golden recumbent setae. Punctation usually covered by scales. Scutellum inconspicuous. Humeri null.

Elytra (length: 2.20 mm, width: 1.40 mm, ratio: 1.57) vaulted dorsally, sub-oval but slightly elongate, clothed with dense brownish-golden scales here and there paler, rounded on sides, wider at the middle, flat suture. Elytral declivity with widened-clavate and recumbent setae (20°–40°). Punctation of striae, shallow, rather catenulate and impressed. Interstriae with widened-clavate, short, golden quite flattened setae.

Legs short and robust clothed by golden-brown scales and with short, clavate golden setae. Femora little clubbed. Protibia with two acute spines on inner edge, with evident mucro on inner apical angle. Protibia quite sinuous on inner edge, metatibia and mesotibia straight in side view.

Tarsal segment 1 short, conical; segment 2 short and transverse; segment 3 shallowly bilobed; all segments with thin golden setae. Onychium curved, robust and short.

Male genitalia. See Figures: dorsal shape aedeagus ( Fig. 47 View FIGURES 45 – 59 ), internal sac ( Fig. 52 View FIGURES 45 – 59 ), sternite IX ( Fig. 57 View FIGURES 45 – 59 ), apex of penis ( Fig. 18f View FIGURES 18 – 18 ). Genitalia were examined in four specimens.

Distribution. See Fig. 140 View FIGURE 140 . Italian endemic. Known only from the type locality.

Ecology and Phenology. Collected from Berlese or Winkler extraction of burnt maquis with Chamaerops humilis L, Erica sp., Vitex agnus castus L., and other Mediterranean plants, sifting the leaf, at 50–100 meters. Adults appear in late spring (some of them collected at the end of May still had the deciduous mandibular cusps), probably aestivate and reappear, less common, in autumn.

Main soil type. Chromic-Luvisol (European Soil Data Centre; Panagos et al. 2012).

Reproduction. Amphigonic.

Systematic Note. Species belonging to the Dodomeira exigua group and not Pseudomeira vitalei group (sensu Bellò & Baviera, 2011) because the sclerite of internal sac of endophallus is without dorsal lamina.














Dodomeira trinacriae

Baviera, Cosimo 2017

Pseudomeira trinacriae: Bellò & Baviera, 2011

Pierotti 2013: 353
Abbazzi 2013: 91
Bello 2011: 35
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