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
33.
Theognete howdenorum
Anderson
,
new species
(
Figures 147
,
182
,
217
)
Diagnosis.
Size. Length, male,
2.81–3.15mm
; female,
2.81–4.27mm
. Width, male,
1.74–1.85mm
; female,
1.74–2.53mm
. As for
T. tzotzil
but pronotum and elytra with scales more distinctly plumose apically and elytra strial regions lacking vestiture. Rostrum in male with scrobes broadly visible in dorsal view. Mesosternum with deep, transverse, pit-like, usually pilose impression. Aedeagus as in
Fig. 182
.
Geographical distribution
.
México
(
Oaxaca
).
Natural history
. Collected from berlese extraction of cloud forest leaf litter at elevations ranging from
1125–1600m
, a single specimen also from stomach of
Bufo valliceps
Wiegmann
at Choapan,
Oaxaca
(see
Goldman 1951: 211
).
Derivation of specific name
. Named after Anne T. and Henry F. Howden of Ottawa,
Canada
.
Material examined
.
7♂
,
12♀♀
(
CMNC
,
MCZC
,
MZLU
,
USNM
)
.
Holotype
♂
(
MZLU
)
:
MÉXICO
:
Oaxaca
.
24–26 km
S. Valle Nacional
,
1300m
,
14.IX.1990
, leg.
R. Baranowski
/ sifting litter in cloud forest
/
HOLOTYPE
♂
,
Theognete howdenorum
sp. nov.
R.S. Anderson. Aedeagus
extracted.
Paratypes
:
MÉXICO
.
Oaxaca
.
Valle Nacional
(
15.1 mi.
S.), 4300',
11–18.VIII.1973
,
A. Newton
, cloud forest leaf litter (
1♂
,
1♀
MCZC
)
.
Valle Nacional
(
17 mi.
S.
W
.)
,
3700',
24. VI. 1983
, R.
Anderson
, cloud forest (
1♀
CMNC
)
.
Valle Nacional
(
24–26 km
. S.),
1300m
,
14.IX.1990
, R.
Baranowski
, sifting litter in cloud forest (
2♂
,
4♀♀
CMNC
) (
2♂
,
4♀♀
MZLU
)
.
Valle Nacional
(
23 km
. S.),
1250m
,
13.XI.1989
,
R. Baranowski
, sifting litter in tropical montane forest (
1♀
MZLU
)
.
Valle Nacional
(
33 km
. S.),
1600m
,
10.IX.1986
,
R. Baranowski
, sifting litter cloud forest (
1♂
MZLU
)
.
Choapan
,
28.VII.1894
, stomach of
Bufo valliceps
(
1♀
USNM
)
.
Chorological relationships
. Sympatric with
T. humilis
,
T. desautelsi
,
T. terrestris
,
T. lutulenta
,
T. peckorum
,
T. romanoi
,
T. weiri
and
T. dansereaui
.