A taxonomic monograph of the genus Tylodinus Champion (Coleoptera: Curculionidae: Cryptorhynchinae: Tylodina) of Chiapas, Mexico
Author
Luna-Cozar, Jesús
jlcozar@yahoo.com.mx
Author
Anderson, Robert S.
jlcozar@yahoo.com.mx
Author
Jones, Robert W.
Author
León-Cortés, Jorge L.
text
Zootaxa
2014
2014-04-15
3788
1
1
63
journal article
5629
10.11646/zootaxa.3788.1
80d33caa-2379-4f5e-ba98-6d1cc29a7906
1175-5326
4913761
7484832A-025B-41FA-9696-DF7531C01AA4
6.
Tylodinus rugosus
Luna-Cozar
,
sp. nov.
(
Figures 11
,
15
,
27
,
38–39
,
103
,
135
)
Diagnosis.
Length male,
3.4–3.8 mm
, female,
3.5–4.1 mm
. Width male, 1.8–2.0 mm, female
1.7–2.3 mm
. Body 2.0x longer than wide. Head with white to pale yellow scales on middle of vertex; frons very concave; surface with rough appearance, punctures deep; rostrum strongly carinate. Pronotum in lateral view moderately convex; surface with longitudinal carina at median area. Elytra with basal margin slightly sinuate (
Figure 3
). Elytra with tubercles as follows: I2 with tubercle on base of declivity; I3 with three tubercles, first tubercle sub-basal, second tubercle near middle of elytra and third tubercle at middle of declivity, smaller than the previous tubercle; I4 with two tubercles, one between tubercles of I3 on disc, and the other at same position as tubercle on I2 but smaller; I5 with two tubercles similar and in the same position as I3 tubercles on disc; I6 with one tubercle similar and in the same position as I4 tubercle; I7 with two tubercles similar and in the same position as I5 tubercles, but smaller. Metasternal tooth absent. Male with ventrite 1 moderately concave, ventrite 5 convex at middle area. Hind tibia with external tooth. Male genitalia in lateral view stout (
Figure 78
); in ventral view as long than half length of apodemes, apex blunt. Female genitalia with sternite eight doliform, with the apex not constricted, median membranous area as long as half the length of the basal plate.
Geographic distribution.
México
(
Chiapas
).
Habitat and elevation.
Specimens were collected from leaf litter in cloud forest between
1300–2200 m
.
Derivation of specific name.
Name derived from the Latin word
rugosus
= full of wrinkles, folds or creases.
Material examined.
Total
7 males
,
9 females
.
Holotype
male (
CMNC
):
México
:
Chiapas
,
Villa Flores
,
Sierra Morena
,
La Peña
,
23.vi.2006
, coll.
J. L. Cozar
(
CMNC
).
Paratypes
:
México
:
Chiapas
,
Ejido Sierra Morena
,
R
.
B.
La Sepultura
, elev.
1497 m
(
16°09.856'N
,
93°36.291'W
),
13.v.2008
, coll.
R
.
S.
Anderson
—
1 male
,
2 females
(
CMNC
); same locality,
Cerro Bola
, elev.
1948 m
(
16.13464°N
,
93.60077°W
),
14.v.2008
, coll.
R
.
S.
Anderson
—
1 female
(
CMNC
); same locality, elev.
1360 m
(
16.15938°N
,
93.60495°W
),
12.v.2008
,
LLAMA
(Wa-A-01-1- 11)
—
1 female
(
CMNC
);
Coapilla
,
5 km
NE Coapilla
, elev.
1990 m
(
17°10'32.16''N
,
93°9'.36''W
),
26.v.2008
, coll.
M. G. Branstetter
—
1 female
,
2 males
(
CMNC
);
La Concordia
,
4 km
SE
Custepec
, elev.
2163 m
(
15°42'11.5''N
,
92°55'54.8''W
),
18.v.2008
, coll.
M. G. Branstetter
—
1 female
(
CMNC
); same locality (
15.71119°N
92.92840°W
),
20.v.2008
, coll.
LLAMA
(Wa-A-03-1-01)
—
1 male
(
ECOS
);
4 km
SE
Custepec
, elev.
2140 m
(
15°42'38.48''N
,
92°55'43.07''W
),
20.v.2008
, coll.
LLAMA
(Wa-A-03-1-03)
—
1 male
(
ECOS
);
4 km
SE
Custepec
, elev.
2125 m
(
15.70635°N
,
92.93125°W
),
20.v.2008
, coll.
LLAMA
(Wa-A-03-2-34)
—
1 male
(
CMNC
); same locality (
15.70644°N
,
92.93124°W
),
LLAMA
(Wa-A-03-2-32)
—
1 female
(
CMNC
); same locality (
15.70773°N
,
92.93111°W
),
LLAMA
(Wa-A-03-2-02)
—
1 female
(
ECOS
);
San Cristobal
de las
Casas
,
Reserva Huitepec
,
10.xi.1994
, coll.
R
.
Jones
—
1 female
(
CMNC
)
.