Further studies on the Pselaphodes complex of genera from China (Coleoptera, Staphylinidae, Pselaphinae)
Author
Yin, Zi-Wei
Author
Hlavac, Peter
Author
Li, Li-Zhen
text
ZooKeys
2013
275
23
65
http://dx.doi.org/10.3897/zookeys.275.4571
journal article
http://dx.doi.org/10.3897/zookeys.275.4571
1313-2970-275-23
Pselaphodes longilobus Yin &
Hlavac
sp. n.
Figs 13B15
Type material
(4 ♂♂, 5 ♀♀). Holotype: ♂, labeled 'P. R. CHINA, Yunnan / Jizushan,
25°58'39"N
, 100°21'14E / 28.VI.2011, 3216 m / sift27, V.
Grebennikov'
(pcPH); Paratypes: 1 ♂, 4 ♀♀, same label data as holotype, except '
25°58'18"N
, 100°21'33N / 30.VI.2011, 2875 m / sift30' (pcPH, SNUC); 2 ♂♂, 1 ♀, labeled 'P. R. China, Hubei / Dabieshan,
31°06.013'N
,
115°47.300'E
/ 11-21.VI.2008, 640 m / sifting, V.
Grebennikov'
(pcPH, SNUC).
Diagnosis.
Reddish brown; length 3.31-3.37; postgenae rounded laterally; antennomeres
IX-XI
enlarged; antennomeres IX modified in male; pronotum rounded at anterolateral margins; male with long metaventral processes; metacoxae simple; aedeagus with asymmetric median lobe.
Description.
Male (Fig. 13B). Length 3.31-3.37. Head longer than wide, HL 0.71-0.73, HW 0.63-0.64; eyes each composed of about 25 facets. Antennal clubs as in Fig. 15A. Pronotum (Fig. 15B) slightly longer than wide, PL 0.69-0.71, PW 0.61-0.66, rounded at anterolateral margins. Elytra wider than long, EL 0.87-0.88, EW 1.23-1.29. Metaventral processes broad and long, apically narrowed (Fig. 15C). Protrochanters and profemora spinose ventrally (Fig. 15D), protibiae with tiny apical projection (Fig. 15E); mesotrochanters with two ventral spines, mesofemora simple (Fig. 15F); metatrochanters and metafemora simple (Fig. 15G). Abdomen broad at base and narrowed apically, AL 1.04-1.05, AW 1.28-1.30. Sternite IX as in Fig. 15H. Aedeagus length 0.70, with asymmetric median lobe (Figs 15
I-K
).
Female
. Similar to male in general; BL 3.36, HL 0.74, HW 0.61, PL 0.70, PW 0.65, EL 0.85, EW 1.29, AL 1.07, AW 1.38. Eyes each composed of about 20 facets. Antennae unmodified; metaventral processes absent.
Comparative notes.
This new species can be separated from the other species of the group by the metaventral processes being curved from the mid-length and then narrowed apically, the aedeagus with an elongate and apically truncate median lobe, the structure of the aedeagal endophallus, and its distribution.
Distribution
.
Southwest China: Yunnan; Central China: Hubei.
Biology.
Individuals were sifted from leaf litter in forests.
Etymology.
The specific name refers to the long aedeagal median lobe of the new species.
Figure 15. Diagnostic features of
Pselaphodes longilobus
in male. A antenna B pronotum C median metaventral process, in lateral view D protrochanter and profemur E apical portion of protibia F mesotrochanter and mesofemur G metatrochanter and metafemur H sternite IX I aedeagus, in dorsal view J same, in lateral view K same, in ventral view. Scales (mm): A, B, D, F, G = 0.3; C, I, J, K = 0.2; H = 0.1; E = 0.05.