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
67.
Theognete distenta
Anderson
,
new species
(
Figures 240
,
258
,
275
)
Diagnosis.
Size. Length, male,
2.84–3.29mm
; female,
2.81–3.32mm
. Width, male,
1.55–1.91mm
; female,
1.60–1.85mm
. Pronotum in male strongly transverse and inflated, not distinctly punctate, with scales suberect, recurved, not plumose, uniformly distributed on disk. Elytra with scales linearly arranged, suberect, recurved, not plumose. Elytral striae not impressed or punctate; strial regions lacking distinct scales. Basal margin of elytra with humeral region not toothed. Tergite VIII in female subtruncate in middle. Aedeagus as in
Fig. 258
.
Geographical distribution
.
México
(
Hidalgo
).
Natural history
. Collected from berlese extraction of cloud forest and moist oak forest leaf litter at elevations from
1175–1675m
.
Derivation of specific name
. Named from the Latin
distentus
, meaning swollen, in reference to the bulbous form of the pronotum.
Material examined
.
22♂
,
15♀♀
(
CMNC
,
CWOB
,
ECOS
,
MCZC
)
.
Holotype
♂
(
CMNC
)
:
MÉXICO
:
Hidalgo
.
1189 m
,
55 km
N.E.
Jacala
,
4.VI.1987
,
R. Anderson
, berlese cloud forest litter
/
HOLOTYPE
♀
,
Theognete distenta
sp. nov.
,
R.S. Anderson. Aedeagus
extracted.
Paratypes
:
MÉXICO
.
Hidalgo
.
Chapalhuacán
(
6.6 mi.
S.
W
.)
,
3900',
5. VII. 1976
, A.
Newton
, berlese cloud forest leaf litter (
6♂
,
1♀
MCZC
)
.
Jacala
(
18 km
E. near
El Alamo
), 5500',
10.VI.1983
, S. & J.
Peck
, moist oak forest litter (
1♂
,
1♀
CMNC
)
.
Jacala
(
55 km
N.E.),
1189m
,
4.VI.1987
, R.
Anderson
, berlese cloud forest litter (
8♂
,
5♀♀
CMNC
,
CWOB
,
ECOS
)
.
Rancho Viejo
(
10 mi.
N.E.), 5100',
5.VII.1976
, A.
Newton
, berlese cloud forest leaf litter (
4♂
,
3♀♀
MCZC
)
.
Tamazunchale
(
32.8 km
S.
W
.,
Mt. Horab Bible School
),
1158m
, R.
Anderson
,
4.VI.1987
, berlese cloud forest litter (
1♂
,
2♀♀
CMNC
)
.
Tamazunchale
(
33 km
S.
W
.,
Mt. Horab Bible School
),
1200m
,
4.VI.1987
, R.
Anderson
, berlese cloud forest litter (
1♂
,
3♀♀
CMNC
)
.
Chorological relationships
. Sympatric with
T. fulgida
and
T. caviventris
.