A taxonomic revision of the genus Baldorhynchus (Di Marco & Osella, 2002) stat. n. (Coleoptera, Curculionidae, Entiminae)
Author
Bello, Cesare
Author
Osella, Giuseppe
Author
Baviera, Cosimo
text
Zootaxa
2016
2016-01-27
4070
1
1
101
journal article
31380
10.11646/zootaxa.4070.1.1
058a8983-7310-4a2a-ade4-66ed90de8a06
1175-5326
1054428
75CBEFC1-FFC8-4D35-857B-55DD2596BC8C
Baldorhynchus anachoreta
Bellò & Osella
sp. n.
(
Figures 22, 22a, 22b, 22c, 22d, 22e, 22f
,
39
,
59
,
111
)
Type
locality. “
Grotta del Convento a quota superiore, (5535 V/VI),
132 m
,
Monti Lessini
,
Isola
Vicentina,
Vicenza
” (
Fig. 143
).
Diagnosis.
A
Baldorhynchus
of medium size belonging to the B.
ferrarii
group. Within the species group, it is recognisable by rostrum elongate and covered by not dense white-grey pubescence. Punctation of pronotum small, regularly arranged, isodiametric, not deep and not dense. Punctation of the elytra small, not isodiametric, not deep and regularly aligned. Total length:
4.20–4.60 mm
. Elytra with length/width ratio 1.84–1.85. Pronotum length 1.00–1.00 mm with length/width ratio 1.18–1.18.
Type
series.
Holotype
male: [transparent label with genitalia] //
♂
[white, printed] // "661,
Veneto
,
Monti Lessini
,
Isola
Vic.[ent]ina (VI)" [white, hand-written] // “661,
Gr.
[otta] del
Convento
a quota superiore” // 661,
E. Piva
leg.
07.III.1986
” [white, hand-written] // "
Baldorhynchus anachoreta
sp. n.
, Holotype, det. Bellò & Osella, 2015" [red, printed] (GOS).
Paratypes
.
“
Veneto
,
Monti Lessini
,
Isola
Vic.[ent]ina (VI), 661,
Gr.
[otta] del
Convento
a quota superiore,
13.II.1986
” (
CBE
),
1 female
;
“
Veneto
,
Monti Lessini
,
Isola
Vic.[ent]ina (VI), 661,
Grotta
del
Convento
a quota superiore,
I. Ferrari
leg.
7.III.1986
” (
CBE
),
1 female
;
“
Veneto
, Monti Lessini,
Isola
Vic.[ent]ina (VI), 661,
Grotta
del
Convento
a quota superiore a m. 150 circa,
19.II.1995
G. Peretto
leg.” (
CBE
),
1 female
(abdomen).
Types
are four specimens (one male and three females). Genitalia of three (one male and two female) were examined.
FIGURES 22–22f
—
Baldorhynchus anachoreta
Bellò & Osella
sp. n.
holotype
♂
from “Grotta del Convento, (5535 V/VI),
132 m
, Monti Lessini,
Isola
Vicentina, Vicenza”: 22—habitus, dorsal view (scale bar:
1 mm
); 22a—habitus, lateral view; 22b—rostrum, lateral view; 22c—pronotum; 22d—elytra punctuation; 22e— funicle and club; 22f—apex penis.
Holotype
.
Male. Total length:
4.20 mm
. Rostrum elongate and covered by not dense white-grey pubescence; less twice longer than the head; dorsum convex; mesorostrum little gibbous. Antenna elongate with long, semierect, thin setae; scape clavate and more robust than funicle. Scape length:
0.95 mm
; funicle length:
0.90 mm
. Scape length/funicle length ratio: 1.05. Funicle with club ratios as follows: 11: 7: 5: 6: 5: 6: 6: 28 (club); fusiform club with first segment flat, long as the last five funicle segments, less twice wider than funicle. Head smooth on disc, short, conical. Supraorbital area partially covered by pubescence. Vertex width / mesorostrum width: ratio 1.58. Vestigial eyes present, visible, not covered by white-grey pubescence. Pronotum (length: 1.00 mm, width:
0.85 mm
, ratio: 1.18) sub-cylindrical, sinuate at the base, wider in the anterior third; short erect seta inserted in center of hole; punctation small, not deep, not dense, isodiametric but of the different widths, uniformly arranged; little smooth central area on disc. Scutellum small, inconspicuous. Elytra convex, oval with strongly elevated suture (length:
2.35 mm
, width:
1.28 mm
, ratio: 1.84), strongly rounded on sides, widest at middle. Striae punctation is not deep, not isodiametric but regularly aligned, with a minute and long seta; interspaces between strial punctation regular and less wide hole. Interstriae as wide as striae, flat, smooth with sparse, long and erect setae. Legs thin and elongate, with rather long golden setae. Femora clubbed and edentate. Tibiae with seven little evident tooth-like tubercles on inner edge; protibia slightly curved in side view, metatibia and mesotibia straight. Penis lengthened, sub-parallel seen from above and regularly and moderately curved in lateral view; tegmen little sclerotized; penis apex as in
Fig.
22f
.
Distribution.
See Fig. 130. Italian endemic. Known only from “Grotta of Convento a quota superiore” cave at 132 meters of elevation:
45°37’38.4’’N
11°26’30.9’’E
at
Isola
Vicentina, in the eastern foothills of the Lessini Mountains.
Etymology.
From Latin word,
anachoreta
(lonely man), for its isolated distribution.
Ecology/Phenology.
Piva (
in litteris
, 2015) reports in the cave "Grotta del Convento a quota superiore" the presence, toghether with
B. anachoreta
sp. n
, of the following species of
Coleoptera
:
Carabidae
Trechinae
,
Orotrechus vicentinus vicentinus
(Gestro, 1907)
;
Cholevidae Leptodirinae
,
Neobathyscia fabianii
(Dodero, 1904)
,
Neobathyscia leccei
Piva, 1984
(the cave is
type
locality of this species),
Pholeuonidius halbherri
(Reitter, 1887)
;
Platypsyllidae
,
Leptinus testaceus
Müller, 1817
.
Reproduction
. Amphigonic.