Baldorhynchus blesioi (Osella, 1968)

Bello, Cesare, Osella, Giuseppe & Baviera, Cosimo, 2016, A taxonomic revision of the genus Baldorhynchus (Di Marco & Osella, 2002) stat. n. (Coleoptera, Curculionidae, Entiminae), Zootaxa 4070 (1), pp. 1-101 : 28-30

Baldorhynchus blesioi (Osella, 1968)

(Figures 7, 7a, 7b, 7c, 7d, 7e, 7f, 61, 98)

Troglorhynchus blesioi Osella, 1968: 141 -156; 1983: 95-123; Mazzoldi, 1852:56; Abbazzi & Osella, 1992: 301; Abbazzi et al., 1994: 21; Osella & Zuppa, 1998: 1126 -1127.

Otiorhynchus (Troglorhynchus) blesioi: Magnano, 1998: 71 .

Otiorhynchus (Baldorhynchus) blesioi: Di Marco & Osella, 2002: 258 ; Colonnelli, 2003: 39; Abbazzi & Maggini, 2009: 53; Magnano & Alonso Zarazaga, 2013: 309.

Type locality. “ Bus de San Faustì 156 Lo, Brescia ”

Diagnosis. A Baldorhynchus of medium or large size belonging to the B. blesioi group with elytra ogival or elongate-oval. This species is recognisable by the medium-large body size and the pronotum strongly narrowed at the base. Punctation of pronotum is small, regularly arranged, shallow and quite sparse. Punctation of the elytra small, regularly aligned and superficial. Total length: 4.80–5.20 mm. Elytra with length/width ratio 1.93–2.00. Pronotum length 0.90–1.00 mm with length/width ratio 1.16–1.25.

Description. See Osella (1968) and figures hoc opus.

Holotype. Female. Total length: 4.80 mm. Scape length: 1.00 mm; funicle length: 1.00 mm. Scape length/ funicle length ratio: 1.00. Funicle with club ratios: 13: 7: 6: 7: 5: 6: 4: 26 (club). Vestigial eyes not present. Vertex width/mesorostrum width: ratio 2.00. Pronotum ratio: 1.19 (length: 0.95 mm, width: 0.80 mm). Elytra ratio: 2.00 (length: 3.00 mm, width: 1.50 mm).

Male. Not known.

Distribution. See Fig. 129. Italian endemic. Known only from Valenzano Mount at “Bus de San Faustì 156 Lo”: 45°36’46’’N 10°22’23’’E at 260 meters of elevation in Passirano near Camignone.

Material. We examined the material studied by Osella (1983).

Other material: “ Italia, Prov. Brescia, umg. Caignone (recte Camignone ), Busa de San Faustì , 156 Lo , 22.3.1981 leg. J. Frank ” ( TLMF): one female, remains; "Brescia, Camignone, B. [us] di San Faustino, 7 XI, [19]81 leg. Sciaky ” ( GOS): two females + one female elytra; “Buca di S. Faustino, (Camignone, Brescia), 1. III. 1983, leg. R. Monguzzi ” ( RMO): three females; “ Bus de San Faustì , N. 156 Lo, 25. VI. [19]85, leg. M. Grottolo ” ( MGR): one female; “ Lombardia, BS, Camignone, Buca di S. Faustino, 30. V. [19]98, leg. Grottolo ” ( MGR): one female; “Camignone (BS), Bus de San Faustì , N ° 156 Lo, 18. I. [19]86, leg. Grottolo ” ( CBE, MGR): two females; “idem, 16. II. [19]86, leg. Grottolo ” ( MGR): two females; “ Lombardia, Camignone (BS), Busa di San Faustì , N ° 156 Lo, 8.III. [19]87, leg. M. Grottolo ” ( MGR): one female; “ Lombardia, (BS), Camignone, Buca di S. Faustino, 30.V. [19]98, leg. Grottolo ” ( MGR): one female; “gr. S. Faustino, BS, Camignone, IV. [19]88, leg. V. Monzini ” (APA): one female; “ Lombardia, Prealpi Bresciane. Camignone (BS); Grotta 156 Lo/BS, 08. II.1988, I. Ferrari leg.” ( CBE): two females (remains). Four females genitalia were examined.

FIGURES 7–7f — Baldorhynchus blesioi (Osella, 1968) holotype ♀ from “Bus de San Faustì 156 Lo, Brescia”: 7—habitus, dorsal view (scale bar: 1 mm); 7a—habitus, lateral view; 7b—rostrum, lateral view; 7c—pronotum; 7d—elytra punctuation; 7e— funicle and club; 7f—spermatheca.

Ecology/Phenology. See Osella (1968). The cave opens in Domeriano geological terrain (Lias medium) (Grottolo in litteris, 2015).

Reproduction. Parthenogenetic. All 25 specimens examined were females.