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
16.
Theognete semistriata
Anderson
,
new species
(
Figures 5
,
75
,
80
,
85
,
129–132
)
Diagnosis
. Size. Length, male,
3.77–4.33mm
; female,
3.82–4.61mm
. Width, male,
1.91–2.19mm
; female,
1.80–2.16mm
. Pronotum moderately densely and moderately deeply punctate. Pronotum with apical constriction evident laterally as a series of separate linearly arranged punctures. Elytra with sutural stria very deeply linearly impressed and punctate from base to near midlength, stria 2 as a series of large, widely separated, impressed punctures, not linearly impressed; posterolateral area of elytra with punctures deeply impressed, continuous with punctures of striae in lateral area. Procoxae narrowly separated. Aedeagus as in
Fig. 80
.
Geographical distribution
.
México
(
Guerrero
).
Natural history
. Collected from berlese extraction of wet oak-pine-fir forest and oak forest leaf litter at elevations ranging from
2400–2775m
.
Derivation of specific name
. Named from the Latin
semi
, meaning half, and
striatus
, meaning grooved, in reference to the relatively deep striae, which are limited to the middle portion of the elytra.
Material examined
.
12♂
,
9♀♀
(
CMNC
,
CWOB
,
ECOS
)
.
Holotype
♂
(
CMNC
)
:
MÉXICO
:
Guerrero
.
10.3km
SW.
Filo de Caballo
,
2774m
, 8.vii.87,
R. Anderson
, oak-pine-fir forest
/
HOLOTYPE
♂
,
Theognete semistriata
sp. nov.
R.S. Anderson. Aedeagus
extracted.
Paratypes
:
MÉXICO
:
Guerrero
:
Filo de Caballo
(
9.3 km
S.
W
.)
,
2400m
,
15.VII.1992
, R.
Anderson
, oak/pine/fir forest (wet) leaf/log litter berlese (
1♂
CMNC
)
.
Filo de Caballo
(
10.3 km
S.
W
.)
,
2774m
,
8.VII.1987
, R.
Anderson
, oak/pine/fir forest (
5♂
,
4♀♀
CMNC
,
CWOB
,
ECOS
)
.
Filo de Caballo
(
10.3 km
S.
W
.)
,
2700m
,
13.VII.1992
, R.
Anderson
, oak/pine/fir forest (wet) leaf/log litter berlese (
1♂
,
3♀♀
CMNC
)
.
Filo de Caballo
(
10.3 km
S.
W
.)
,
2700m
,
15.VII.1992
, R.
Anderson
, oak/ pine/fir forest (wet) leaf/log litter berlese (
2♂
CMNC
)
.
Filo de Caballo
(
10.3 km
S.
W
.)
,
2700m
,
17.VII.1992
, R.
Anderson
, oak/pine/fir forest (wet) leaf/log litter berlese (
1♂
CMNC
)
.
Filo de Caballo
(
10.3 km
S.
W
.)
,
2700m
,
18.VII.1992
, R.
Anderson
, oak/pine/fir forest (wet) leaf/log litter berlese (
1♀
CMNC
)
.
Filo de Caballo
(15.0 km S.
W
.)
,
2500m
,
16.VII.1992
, R.
Anderson
, oak forest (wet) litter berlese (
1♂
,
1♀
CMNC
)
.
Chorological relationships
. Sympatric with
T. carinata
.