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
9.
Tylodinus ixchel
Luna-Cozar
,
sp. nov.
(
Figures 44–45
,
105
,
131
)
Diagnosis.
Length male,
2.4–2.7 mm
, female, ca.
2.8 mm
(damaged). Width male,
1.1–1.2 mm
, female ca.
1.3 mm
(damaged). As for
T. exiguus
with following exceptions: head with dark brown scales; vertex with yellow scales. Pronotum in lateral view moderately convex; surface with small punctures. Metasternum concave. Ventrite 1 concave with scattered scales, ventrite 2 with line scales interrupted medially. Hind femur length extending near to elytral apex, front tibiae with apical 1/4 curved, middle and hind tibiae parallel. Male genitalia (
Figure 105
) with median lobe in lateral view very slender; in ventral view as long as apodemes, lateral sides convex beyond 0.27 of length from the base; apical process slightly curved. Female with sternite eight sub-trapezoidal, with the membranous median area ½ as long as basal plate, ramus indistinct, nodulus slender.
Geographic distribution.
México
(
Chiapas
).
Habitat and elevation.
Specimens were collected from leaf litter in high elevation cloud forest at
2000 m
.
Derivation of specific name.
Noun in apposition: after the word
ixchel
, Mayan
name of the Moon goddess, also the goddess of childbirth, medicine and of rainbows.
Material examined.
Total
5 males
,
1 female
.
Holotype
male (
CMNC
):
México
:
Chiapas
,
Unión Juárez
,
Volcán Tacaná
, lower slopes, ca
4 km
N,
Unión Juárez
, elev.
2000 m
(
15°5'47.29''N
,
92°5'17.04''W
),
20.ix.1992
, coll.
R
.
S. Anderson.
Paratypes
:
Same
data as holotype,
4 males
,
1 female
(
CMNC
,
ECOS
)
.