Oxyomus mariateresae new species of Mexican Aphodiini (Coleoptera: Scarabaeidae: Aphodiinae)
Author
Dellacasa, Marco
Author
Dellacasa, Giovanni
Author
Gordon, Robert D.
text
Insecta Mundi
2014
2014-01-31
2014
343
1
3
journal article
10.5281/zenodo.5178670
1942-1354
5178670
652ECCDC-093B-48B7-8FF9-B5B1BD6F754D
Oxyomus mariateresae
new species
(
Figures 1–5
)
Type
locality.
Llano de las Flores,
17°26’37.1”N-
096°30’13.2”W
,
Oaxaca
,
Mexico
.
Type
repository.
Dellacasa collection, Genoa,
Italy
.
Description.
Length 3.0–4.0 mm, oblong, convex, almost dull, pubescent. Dark brownish-grey, anterior angles of pronotum and legs dark brown; antennal club blackish. Head with epistome moderately convex medially, alutaceous, laterally evenly coarsely not very closely punctured; punctures cariose and those toward genae near imperceptibly haired; clypeus feebly sinuate at middle, round at sides, rather thickly bordered, edge anteriorly slightly reflexed, glabrous; genae obtusely round, sparsely ciliate, protruding from eyes; frontal suture finely impressed, somewhat raised at each side and at middle; front widely alutaceous, evenly coarsely punctured. Pronotum transverse, convex, faintly foveolate, longitudinally at middle and obliquely on each side, strongly alutaceous, evenly densely coarsely and somewhat irregularly punctured; punctures umbilicate, cariose, each one with rather short recumbent seta; lateral margins feebly arcuate, somewhat tapered before hind angles, thickly bordered, edge glabrous; hind angles well defined, obtuse; base moderately bisinuate, finely bordered, edge crenulate. Scutellum sunken, alutaceous, superficially confusedly punctured. Elytra moderately convex, feebly widened posteriorly, with deep narrow striae, catenulate on disc, strongly crenulate; interstriae alutaceous, convex, subcarinate medially, densely, coarsely confusedly punctured and with two median longitudinal rows of short yellowish recumbent setae. Hind tibial superior spur as long as first tarsal segment; latter nearly as long as following three combined. Male: fore tibiae spur stout and inwardly curved apically; aedeagus
Fig. 2–3
. Female: fore tibial spur slender, acuminate and almost straight.
Type material.
MEXICO
:
Oaxaca
:
Llano
de las
Flores
,
17°26’37.1”N-
096°30’13.2”W
, Carretera Tuxtepec, Oaxaca
;
m
2600, 01.XII.
2003, leg.
Martínez I.
& M.
T
.
Suarez
(
holotype
, male, and
allotype
DCGI
;
1
paratype
, male
FSCA
)
;
Las Cumbres
,
Carretera Zachila
,
San Miguel Peras
, m
2500, 05.VIII.
2000, leg.
Martínez I.
&
Reyes-Castillo P.
(
1
paratype
, male
DCGI
)
.
Distribution.
Mexico
(
Oaxaca
).
Etymology.
Named in honor of one of its collectors, Maria Teresa Suarez, of Instituto de Ecologia, Xalapa,
Veracruz
,
Mexico
.
Biology.
Almost unknown; the few specimens of the
type
series were collected in August and in December.