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
71.
Theognete fossor
Anderson
,
new species
(
Figures 12
,
236
,
254
,
271
)
Diagnosis.
Size. Length, male,
2.61–2.98mm
; female,
3.06–3.20mm
. Width, male,
1.38–1.80mm
; female,
1.74–2.02mm
. Pronotum and elytra with dorsal vestiture of dense, long, erect, clavate scales recurved at extreme apex, appearing bristly. Elytra globular, striae not punctate or impressed; basal margin in humeral region lacking tooth. Aedeagus as in
Fig. 254
.
Geographic distributional
.
México
(
Oaxaca
).
Natural history
. Collected from berlese extraction of cloud forest and oak forest leaf litter at elevations of from
1900–2125m
.
Derivation of specific name
. Noun in apposition; named after the Latin
fossor
, meaning digger, in reference to the habits of species of this genus.
Material examined
.
19♂
,
18♀♀
(
CMNC
,
CWOB
,
ECOS
,
MZLU
)
.
Holotype
♂
(
CMNC
)
:
MÉXICO
:
Oaxaca
.
47.5 km
. S.
W
.
Valle Nacional, KM
100.5,
2125m
,
26.VII.1992
, 92-032,
R.S. Anderson
, wet oak forest leaf litter berlese
/
HOLOTYPE
♂
,
Theognete fossor
sp. nov.
,
R.S. Anderson. Aedeagus
extracted.
Paratypes
:
MÉXICO
.
Oaxaca
.
Valle Nacional
(
12 mi.
S.), 7000’,
22.V.1971
, S.
Peck
,
Ber
205, leaf litter (
1♀
CMNC
)
.
Valle Nacional
(
30.1 mi.
S.
W
.)
,
6600',
24. VI 1983
, R.
Anderson
, wet oak forest litter (
1♀
CMNC
)
.
Valle Nacional
(
40 km
. S.
W
.)
,
1900m
,
26.VII.1992
, R.
Anderson
, oak forest leaf litter berlese (
3♂
CMNC
)
.
Valle Nacional
(
47.5 km
. S.
W
.)
,
2125m
,
26.VII.1992
, R.
Anderson
, wet oak forest leaf litter berlese (
14♂
,
16♀♀
CMNC
,
CWOB
,
ECOS
)
.
Valle Nacional
(
43 km
. S.),
2000m
,
7.IX.1986
, R.
Baranowski
, sifting litter cloud forest (
1♂
MZLU
)
.
Chorological relationships
. Sympatric with
T. weiri
,
T. globosa
,
T. terrestris
and
T. lalibertei
.