A taxonomic monograph of the Middle American leaf-litter inhabiting weevil genus Theognete Champion (Coleoptera: Curculionidae; Molytinae; Lymantini) 2458
Author
Anderson, Robert S.
text
Zootaxa
2010
2010-05-14
2458
1
1
127
https://biotaxa.org/Zootaxa/article/view/zootaxa.2458.1.1
journal article
10.11646/zootaxa.2458.1.1
11755334
5316658
7E42061C-9D11-49C5-8737-CEED0864E699
80.
Theognete chauliothorax
Anderson
,
new species
(
Figures 244
,
262
,
279
)
Diagnosis.
Size. Length, male,
2.70–3.18mm
; female,
2.73–3.20mm
. Width, male,
1.57–1.91mm
; female,
1.52–1.85mm
. As for
T. distenta
but scales finer and denser along intervals 2, 4 and 6; pronotum gibbous in some males; apices of scales not plumose, fine and bristle-like; lacking strial vestiture. Tergite VIII in female subtruncate in middle. Aedeagus as in
Fig. 262
.
Geographical distribution
.
México
(
Hidalgo
,
San Luis Potosí
)
.
Natural history
. Collected from berlese extraction of cloud forest and liquidambar forest leaf litter at elevations from
1175–1600m
.
Derivation of specific name
. Noun in apposition; named from the Greek
chaulios
, meaning prominent, and
thorax
, meaning breastplate, in reference to the form of the pronotum.
Material examined
.
20♂
,
28♀♀
(
CMNC
,
CWOB
,
ECOS
,
MCZC
)
.
Holotype
♂
(
CMNC
)
:
MÉXICO
:
San Luis Potosí
.
20 km
W
.
Xilitla
, 1600me., 12.VI.83,
S. & J. Peck
, cloud for. litter
/
HOLOTYPE
♂
,
Theognete chauliothorax
sp. nov.
,
R.S. Anderson. Aedeagus
extracted.
Paratypes
:
MÉXICO
.
Hidalgo
.
Chapalhuacán
(
6.6mi.
S.
W
.)
,
3900',
5.VII.1976
, berlese cloud forest leaf litter (
1♂
,
2♀♀
MCZC
)
.
San Luis Potosí
.
Xilitla
(
14 mi.
W
.)
,
4800',
29.VI.1973
, A.
Newton
, leaf and log litter, non-coniferous
Liquidambar
forest
(
6♂
,
8♀♀
MCZC
)
.
Xilitla
(
20 km
W
.),
1600m
,
12.VI.1983
, S. & J.
Peck
, cloud forest litter (
5♂
,
5♀♀
CMNC
)
.
Xilitla
(
20 km
W
.),
1600m
,
12.VI.–6.VIII.1983
, S. & J.
Peck
,
flight intercept trap
cloud forest (
1♂
,
2♀♀
CMNC
)
.
Xilitla
(
15 mi.
S.
W
.)
,
20.III.1988
, P.
W
.
Kovarik
, leaf litter (
6♂
,
8♀♀
CMNC
,
CWOB
,
ECOS
)
.
Xilitla
(
15 mi.
S.
W
.),
1500m
,
20.III.1988
, R.
W
.
Jones
& P.
W
.
Kovarik
(
3♀♀
CMNC
)
.
Chorological relationships
. Sympatric with
T. fulgida
,
T. caviventris
,
T. distenta
and
T. tuberosa
.