Lebioderus maolanus, Song & Maruyama & Peng, 2017

Song, Xiao-Bin, Maruyama, Munetoshi & Peng, Zhong, 2017, Discovery of the genus Lebioderus (Coleoptera, Carabidae, Paussinae) from China, with description of two new species, Zootaxa 4344 (1) : -

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https://doi.org/ 10.11646/zootaxa.4344.1.11

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scientific name

Lebioderus maolanus


Lebioderus maolanus View in CoL Song and Maruyama, new species

( Fig. 3A View FIGURE 3 )

Type material. Holotype: ♀ ( SNUC), labeled ‘ CHINA: Guizhou, Libo County, Maolan N.R. (″Ễ), 25°16′38″N, 107°55′29″E, alt. 750m, 19.VII.2015, Jia-Yao Hu leg.’ GoogleMaps

Diagnosis. The new species is very similar to L. brancuccii Nagel, 2009 ( Figs. 3B View FIGURE 3 , 4D–F View FIGURE 4 ) in the shapes of antennae, pronotum and legs, but can be readily separated from it by the 1 st ventral projection rounded at apex ( Fig. 4A View FIGURE 4 : arrow; in L. brancuccii , see Fig. 4D View FIGURE 4 ), longitudinal groove much wider near the posterior margin of head ( Fig. 4B View FIGURE 4 ; head of L. brancuccii , see Fig. 4E View FIGURE 4 ), lateral projection of pronotum more developed ( Fig. 4C View FIGURE 4 ; pronotum of L. brancuccii , see Fig. 4F View FIGURE 4 ), and the glandular openings of pygidium not shaped as pronounced triangular.

Description. Female. Body ( Figs. 3A View FIGURE 3 , 5C View FIGURE 5 ) 7.84 mm; chestnut brown, but tibiae slightly paler.

Head ( Figs. 3A View FIGURE 3 , 4B View FIGURE 4 ) with distinct longitudinal groove along the midline; disc with shallow depressions at both sides of midline; temples well protruded laterad; dorsal surface matte, finely, densely punctate; sparsely covered with minute, recumbent setae; eyes rather large, less prominent than temples; neck narrow, strongly constricted.

Antennae ( Fig. 4A View FIGURE 4 ) with segment I parallel-sided; Antennal club with four distinct transverse furrows; posterior margin with five produced denticles, 2nd dorsal denticles short; 3rd dorsal denticles almost as long as 4th and 5th; 2nd to 5th dorsal denticles apically with short trichome brush; anterior margin with 1st to 5th projections rounded at apex; each projection with a few short setae at apex; surface sparsely covered with minute, recumbent setae.

Pronotum ( Fig. 4C View FIGURE 4 ) broad, about 1.75 times as wide as long; distinctly wider than head; divided by a transverse cleft; fore part about 0.92 times as long as the hind part; both ends of longitudinal groove indistinct around 1/2 of anterior part and anterior 1/3 of posterior part; dorsal surface matte, finely, densely punctate; sparsely covered with minute, recumbent setae.

Elytra ( Fig. 3A View FIGURE 3 ) with 7 to 8 pairs of long setae on lateral margins and 2 pairs of long setae along the anterior part of midline; shoulders well protruded; dorsal surface matte; sparsely covered with minute, recumbent setae.

Pygidium ( Fig. 3A View FIGURE 3 ) with sharp edge; glandular openings situated proximally at the left and right margin; disc smooth, moderately covered with minute setae.

Legs ( Fig. 3A View FIGURE 3 ) robust; tibiae almost straight, strongly compressed; sparsely covered with short setae.

Male. Unknown.

Measurements. BL, 7.84; HW, 1.59; ACL, 1.75; PL, 1.28; PW, 2.24; EL, 5.23.

Etymology. Named after the type locality.

Distrubution. China (Guizhou).

Host ant. Unknown. Sifted from leave litter ( Fig. 5D View FIGURE 5 ).













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