Review of the genus Dilophotes Waterhouse (Coleoptera: Lycidae) of the Palaearctic Region and Indochina
Author
Bic, Vlastislav
text
Zootaxa
2002
59
1
26
journal article
51440
10.5281/zenodo.155977
2d6c6f0d-94a5-447b-82d5-87c336a97584
11755326
155977
Dilophotes anthracinus
sp. n.
Type
material
.
Holotype
, male, "
Laos
,
15 km
N Louang Namtha,
750 m
,
21.07°N
/
101.21°E
,
13. 24. 5. 1997
, E. Jendek & O. Šauša leg." (
LMBC
).
Paratype
:
1 male
, same locality data, (
LMBC
).
Diagnosis
.
Dilophotes anthracinus
sp. n.
has flabellate male antennae and is the only
Dilophotes
species in the studied area with a concolourous black pronotum and elytra. In addition, the species has very short phallus and mostly membranous simple internal sac (
Fig. 22
). The closest species is
D. lizipingensis
sp. n.
with much more slender phallus (
Fig. 23
), and red parts on pronotum and elytra.
Description of
holotype
. Body mediumsized, slender, black, pronotum, scutellum and elytra almost black with light pubescence. Eyes small, interocular distance 1.33 times maximum eye diameter. Antennae flabellate, flabellae of middle antennomeres three times longer than each antenomere. Pronotum 1.57 times wider than long. Frontal margins widely rounded, frontal angles distinct, lateral margins slightly concave, posterior angles moderately projected. Pronotal disc with frontal longitudinal costa reaching middle of disc, then inconspicuous. Disc surface black, shiny, with light pubescence. Elytra long, slender, flat, each elytron with three longitudinal costae. Costa 1 weak in apical part, costa 2 strong. Male genitalia with short phallus and partly membranous, simple internal sac (
Fig. 22
).
Measurements
. BL
5.5 mm
, WH
1.32 mm
, PL
0.77 mm
, PW
1.21 mm
, Ediam
0.36 mm
, Edist
0.48 mm
.
Distribution
.
Dilophotes anthracinus
sp. n.
is known only from the
type
locality in northernmost
Laos
.
Etymology
. The specific epithet refers to the black colouration of the pronotum and elytra.