Lathrobium shuguangi Peng
publication ID |
https://doi.org/ 10.11646/zootaxa.4158.3.5 |
publication LSID |
lsid:zoobank.org:pub:2EFAAD01-AE54-4685-8C94-6E1D83440DC1 |
DOI |
https://doi.org/10.5281/zenodo.6074005 |
persistent identifier |
https://treatment.plazi.org/id/3D63451F-9E6A-C550-A3F1-FF43556A4B2A |
treatment provided by |
Plazi |
scientific name |
Lathrobium shuguangi Peng |
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Lathrobium shuguangi Peng View in CoL and L.-Z. Li, new species
(Map 1, Figs 5 View FIGURE 5 C, 8)
Type material. HOLOTYPE: Ƌ, labeled ‘ Jiangxi Prov., Pingxiang, Wugong Shan , 27°27'39''N 114°10'03''E, 1340– 1400 m, 19.VII.2013, Song, Yu & Yin leg.’ ( SNUC). GoogleMaps
Description. Measurements (in mm) and ratios: BL 8.73, FL 4.28, HL 1.33, HW 1.30, AnL 2.28, PL 1.67, PW 1.30, EL 0.83, AL 1.63, HL/HW 1.02, HW/PW 1.00, HL/PL 0.80, PL/PW 1.28, EL/PL 0.50.
Habitus as in Fig. 5 View FIGURE 5 C. Body dark brown, legs light brown, antennae brown.
Head: punctation moderately fine and moderately dense, somewhat sparser in median dorsal portion; interstices with shallow microsculpture. Eyes moderately small and composed of approximately 60 ommatidia.
Pronotum with weakly convex lateral margins in dorsal view; punctation somewhat sparser than that of head; impunctate midline broad; interstices without microsculpture.
Elytral punctation dense and shallow, defined to ill-defined. Hind wings completely reduced.
Abdomen with fine and rather dense punctation, that of tergite VII sparser than that of anterior tergites; interstices with shallow microsculpture; posterior margin of tergite VII without palisade fringe.
Male. Posterior margin of tergite VIII weakly convex; sternites III–VI unmodified; sternite VII ( Fig. 8 View FIGURE 8 A) strongly transverse, with dense dark setae in shallow median impression posteriorly, posterior margin broadly concave in the middle, pubescence unmodified, except for few modified short marginal setae near posterior concavity; sternite VIII ( Fig. 8 View FIGURE 8 B) transverse, with deep median impression posteriorly, posterior excision deep and symmetric, margins of this excision with short, blackish setae; aedeagus as in Figs 8 View FIGURE 8 C, D, ventral process long and asymmetric; dorsal plate moderately sclerotized and thin; internal sac with a long sclerotized spine.
Female. Unknown.
Comparative notes. The similar shape and chaetotaxy of the male sternite VIII (posterior excision with dense short and dark setae), the morphology of the aedeagus (asymmetric ventral process; presence of a long sclerotized spine in internal sac; thin dorsal plate) and the external characters (large body; finely punctate head) suggest that L. shuguangi is allied to L. hujiayaoi Peng & Li, 2013 from Maoer Shan, Guangxi. It is distinguished from L. hujiayaoi by the lighter coloration of the body, the shallow median impression of the male sternite VII and the shape of the male sternite VIII. For illustrations of L. hujiayaoi see Peng et al. (2013).
Distribution and natural history. The type locality is situated in the Wugong Shan to the south of Pingxiang, western Jiangxi. The specimen was sifted from leaf litter in mixed forests at an altitude of 1340–1400 m, together with L. taiye .
Etymology. This species is dedicated to Mr. Shu-Guang Peng, the first author’s father, who supported us on our field trips.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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