Cephalocyclus majomaensis and Oscarinus cabreroi new species of Mexican Aphodiinae (Coleoptera: Scarabaeidae: Aphodiinae)
Author
Dellacasa, Marco
Author
Dellacasa, Giovanni
Author
Gordon, Robert D.
text
Insecta Mundi
2013
2013-03-08
2013
285
1
5
journal article
10.5281/zenodo.5175779
1942-1354
5175779
33643759-5219-411C-8BEF-7B0EC316F063
Cephalocyclus majomaensis
new species
(
Fig. 1-4
)
Type
locality.
Majoma,
Zacatecas
,
Mexico
.
Type
repository.
Unites States National Museum,
Washington
, D. C.,
U.S.A.
Description of male.
Length 6.5-7.0 mm; elongate, moderately convex, shiny, glabrous. Testaceous; head and pronotum somewhat darker than elytra. Head with epistome weakly convex on disc, slightly depressed medially toward clypeal margin, sparsely irregularly not closely punctured, smooth at center; clypeus faintly sinuate at middle, round at sides, very thinly bordered, edge upturned and elongately ciliate laterally; genae angulate, depressed, elongately ciliate, strongly protruding from the eyes; frontal suture not tuberculate, distinctly impressed laterally, obsolete at middle; front finely irregularly, sparsely punctured. Pronotum transverse, moderately convex, shiny, dually punctured; large punctures, three to four time larger than small ones, irregularly sparse on sides, lacking on disc; small punctures, somewhat variously sized, coarser and denser on sides, superficial and sparser on disc; lateral margins moderately arcuate, rather thickly bordered, edge elongately sparsely ciliate; hind angles obtusely round; base distinctly bisinuate, not bordered. Scutellum elongate, alutaceous, sparsely moderately punctured. Elytra very elongate, weakly widened posteriorly, epipleural carina elongately ciliate in basal two thirds; striae very fine, superficially almost indistinctly punctured, not crenulate; interstriae faintly convex, minutely alutaceous, with extremely fine, irregularly sparse and barely perceptible punctures. Hind tibiae superior spur shorter than first tarsal segment; latter shorter than following three segments combined. Aedeagus
Fig. 4
. Female: unknown.
Type material.
MEXICO
:
Zacatecas
:
Majoma
;
07.III.1934
;
leg.
Smith
&
Dunkley
(
holotype
, male,
USNM
;
1
paratype
, male,
DCGI
)
.
Distribution.
Known from the
type
locality only.
Etymology.
Named after the
type
locality.