Three new species of the myrmecophilous genus Doryloxenus from China (Coleoptera, Staphylinidae, Aleocharinae)
Author
Song, Xiao-Bin
Author
Li, Li-Zhen
text
ZooKeys
2014
456
75
83
http://dx.doi.org/10.3897/zookeys.456.8584
journal article
http://dx.doi.org/10.3897/zookeys.456.8584
1313-2970-456-75
10B0FA86AB6F40BA8F191BFB8A6FA777
10B0FA86AB6F40BA8F191BFB8A6FA777
Taxon classification Animalia Coleoptera Staphylinidae
Doryloxenus tangliangi
sp. n.
Fig. 2
Type
material.
Holotype: China: ♂, labeled 'CHINA: Zhejiang Province, Huzhou City, Anji County (安吉县), Longwangshan (龙王山), alt. 1330m,
30°24'15.53"N
,
119°26'36.81"E
, 14-V-2013, X.-B. Song leg., from a colony of
Aenictus
sp. / HOLOTYPE [red],
Doryloxenus tangliangi
sp. n., Song & Li det. 2014,
SNUC'
. Paratype: China: 5♂, 3♀, 102sex?, same data as holotype, bearing the following label: 'PARATYPE [yellow],
Doryloxenus tangliangi
sp. n., Song & Li det. 2014'. (SNUC, KUM).
Comparative notes.
Doryloxenus tangliangi
is most similar to
Doryloxenus aenictophilus
described above by the forebody sparsely covered with yellow setae and the macrochaetotaxy of tergites
II-V
: 6, 4, 4, 4, 4. It differs from
Doryloxenus aenictophilus
by the larger eyes, the relatively long elytra, as well as the different shapes of the aedeagus and spermatheca.
Description.
Body (Fig. 2A) smooth, glossy. Coloration: Light reddish-yellow overall.
Figure 2.
Doryloxenus tangliangi
sp. n. A habitus B head C Elytron D tergite VII E tergite VIII F sternite VIII G median lobe of aedeagus, in lateral view H ditto I spermatheca. Scales (mm): A = 0.5; B, G, H = 0.1; C, F = 0.2; I = 0.05.
Head shaped as in Fig. 2B, sparsely covered with long yellowish setae; eyes large. Pronotum (Fig. 2A) wider than long, about 1.44 times as wide as long; disc sparsely covered with long yellowish setae. Elytra (Fig. 2A, C) about 2.73 times as wide as long; disc sparsely covered with long yellowish setae, with a row of setae on lateral margins. Abdomen wedge-shaped; posterior margins of tergite
II-VI
with a row of very long
yellowish
setae; abdominal tergite VII (Fig. 2D) truncate at apex, with 2 pairs of macrochaetae at the anterior 1/3 and 3 pairs near apex; tergite VIII (Fig. 2E) slightly truncate at apex, with 1 pair of lateral macrochaetae and 2 pairs near apex; sternite VIII shaped as in Fig. 2F. Macrochaetotaxy of abdominal tergites
II-VIII
: 6, 4, 4, 4, 4, 10, 6.
Male. Median lobe of aedeagus shaped as in Fig. 2
G-H
.
Female. Spermatheca with apical part strongly swollen, shaped as in Fig. 2I.
Measurements.
BL: 1.70-1.93; FBL: 0.77-0.86; PL: 0.34-0.37; PW: 0.51-0.52; PW/PL: 1.38-1.53; HW/PW: 0.63-0.67.
Distribution.
East China: Zhejiang.
Symbiotic host.
Aenictus
sp. (Fig. 5
A-B
).
Biological notes.
Most of the specimens were sifted from a colony of
Aenictus
ant, at least four individuals were observed riding on the abdomen of worker ants (Fig. 4B).
Etymology.
Dedicated to Dr. Liang Tang, who found the colony of the host ants.