Revision of the checkered beetle genus Erymanthus Spinola, 1841 (Coleoptera, Cleridae, Clerinae)
Author
Gerstmeier, Roland
Author
Salvamoser, Max
text
Zootaxa
2014
3755
6
501
548
journal article
46565
10.11646/zootaxa.3755.6.1
904d3172-8436-4deb-8595-175564429d44
1175-5326
251514
A6FB3A63-16CB-429D-BD71-40171B2E54F2
Erymanthus melanurus
Kuwert, 1893
(
Figs 24–25
,
40
C)
Kuwert 1893
: 479.
FIGURE 24.
Erymanthus melanurus
: (A) Aedeagus ventral, (B) Phallus lateral, (C) Tegmen dorsal, (D) Spicular fork, (E) Pygidium, (F) Ventrite VI; (scale bars 1mm).
Specimens examined:
Holotype
:
Fr.
Congo
, Kuilu, Mocquerys,
Holotype
, 1892, Ex Musaeo, W. Rothschild, 1899, Museum Paris 195-, Coll. R. Oberthúr (MNHN).
Comment on the
type
specimen:
The single specimen mentioned by
Kuwert (1893: 479)
from Kuilu,
Congo
from the Tring museum (now in MNHN), can be considered the
holotype
, fixed my monotypy (ICZN 1999: Article 73.1.2).
Others:
Muséum Paris,
Congo belge
centr., Maniema: Kindu, L. Burgeon, J. J. Menier, 1981 (MNHN).
Togo
, Conradt, Coll. Kraatz, Schenkling det., D. Ent. Inst. DAHLEM, 1922 (RMNH).
Togo
, Bismarckburg, L. Conradt S., 89. (ZMB).
Togo
, Bismarckburg, 21.3.–
30.4.93
, L. Conradt S., Schenkling det. (ZMB). Guin., Coll. Kraatz, Schenkling det., Col - 0 3107 (SDEI). Brit.
Uganda
, Grauer, Coll. v. Bennigsen, Schenkling det., Col - 0 3108 (SDEI). Ansila,
vesuvioides Thomson
, ???, Ex Musaeo Parry, Muséum Paris 1952, Coll. R. Oberthúr (MNHN).
Diagnosis:
Erymanthus melanurus
can be confused with
E. vesuvioides
.
Erymanthus vesuvioides
is
12–20mm
long and its metafemora are black.
Erymanthus melanurus
is
9–12mm
long and can be recognized by its light brown femora.
Length:
(
8 specimens
measured)
9–12mm
(average
10.5mm
).
Head:
Light brown; frontal umbo with two rounded grooves; with dark pilosity posteriorly, anteriorly with white pilosity; antennae yellow.
Pronotum:
Pronotal length to width ratio 1.11:1 to 1.12:1 (average 1.12:1); light brown; pronotal groove sometimes darker; gibbosities inconspicuous.
Scutellum:
Black; vested with white setae.
FIGURE 25.
Distribution of
Erymanthus melanurus
.
Elytra:
Elytral length to width ratio 2.02:1 to 2.15:1 (average 2.09:1); basal half light brown, apical half dark brown to black; punctation large, circular to slightly elongate-ovate, interstices half to same width as diameter of punctation, punctation in more or less regular rows; elytral base with black and flavous pilosity, apically partly with dense white and flavous pilosity; gibbosities pale, gibbosities A, B, C and D with dense white setal tuft, E with black setae.
Legs:
Light brown, sometimes dark markings on the femora, tibiae slightly darker.
Lower surface:
Dark brown to black with indication of light spots lateral of each abdominal segment; with white pilosity.
Male
genitalia, pygidium, ventrite VI:
Tips of tegminal lobes blunt, tegminal lobes very short; tegminal struts broadened until three-sevenths length and tapering lanceolate until tip; phallic tip very blunt; posterior side of pygidium rounded; processes of ventrite VI rather pointed.
Distribution:
Guinea
,
Togo
,
Congo
,
DR Congo
,
Uganda
.
Seasonal occurrence:
Collected from March to April.