Chlaenius (Lithochlaenius) linwensini Liu & Liang, 2011

Valim, Ye, Kavanaugh, David H., Shi, Hongliang & Liang, Hongbin, 2011, A key to species of subgenus Lithochlaenius (Coleoptera, Carabidae, Chlaeniini, Chlaenius), with descriptions of three new species, ZooKeys 128, pp. 15-52 : 20-21

Chlaenius (Lithochlaenius) linwensini Liu & Liang sp. n. Figs 18-19 53 67 81 96-97 119-120 158

Types.

Holotype: male (IZCAS), "Fujian, Jianyang, Huangkeng, Guiling, 270-340m""/ ""1960.III.26, Zhang Yiran collector""/ ""Holotype, Chlaenius (Lithochlaenius) linwensini Liu & Liang sp. n.""[red label]. Paratypes: Total 6 specimens. 1 male (IZCAS), "Fujian: Jianyang, Huangkeng, Guiling, 270-340m""/ ""1960.III.26, Zhang Yiran collector""; 1 female (IZCAS), "Fujian, Chong"an, Xingcun Sangang, 740m, light trap""/ "1960.VII.15, Zhang Yiran collector""; 1 female (IZCAS), "Fujian: Chong-an, San-gang""/ "1979.VIII.5, Song Shimei collector""; 1 male (SIECAS), "Fujian, Chong"an, Xingcun""/ "1960.VI.27, Jin Lin collector""; 1 male (SIECAS), "Fujian: Chong"an, Xingcun""; 1 male (IZCAS), "Fujian: Dehua, Chenguan, 510-550m""/ ""1960.VI.2, collector Ma Chenling"". Each paratype with an additional yellow label: "Paratype, Chlaenius (Lithochlaenius) linwensini Liu & Liang sp. n."".

Diagnosis.

Antennomere 1 coniform ( Fig. 53 ); all antennomeres concolorous; basal two-thirds of intervals 1-5 glabrous medially, with irregular setae laterally ( Fig. 81 ); lamella of aedeagus subtruncate at apex ( Fig. 119 ), thickened and bent ventrally ( Fig. 120 ).

Description.

Total length = 14.50-16.50 mm (mean = 15.71), width = 5.33-5.87 mm (mean = 5.60); HW = 2.40-2.85 mm (mean = 2.71), EYL = 1.00-1.15 mm (mean = 1.05), ratio Ant3/Ant1= 1.37-1.61 (mean = 1.50), PL/PW = 0.82-0.90 (mean = 0.86), EL/EW = 1.67-1.81 (mean = 1.76), EL/ PL = 1.27-1.41 (mean = 1.35).

Head and pronotum black, with green or coppery metallic luster; elytra black; ventral surface black; antennae, palpi, femora, and tibiae brown; mandibles, trochanters, and tarsi dark brown.

Head with vertex smooth medially, coarsely punctate and sparsely pubescent behind eye; labrum slightly emarginate at apex; antennomere 1 strongly coniform ( Fig. 53 ). Pronotum with disk smooth medially, very sparsely punctate and pubescent along the middle line; lateral furrow very sparsely punctate; basal foveae small, deep, coarsely punctate and sparsely pubescent. Elytral intervals convex, basal two-thirds of intervals 1-5 glabrous medially, with irregularly arranged setae laterally ( Fig. 81 ), apical one-third of intervals 1-5 sparsely pubescent medially, intervals 6-9 densely pubescent; striae deep, punctate; humeral angle obtuse ( Fig. 67 ). Abdominal sterna IV-VI sparsely pubescent medially, densely pubescent laterally; sternum VII broadly rounded apically in male, narrowly truncate apically in female ( Figs 96-97 ). Lamella of aedeagus truncate at apex ( Fig. 119 ), thick and bent ventrally ( Fig. 120 ).

Etymology.

The Latinized name linwensini refers to Mr. Lin Wensin, an excellent insect collector who died during a recent collecting trip to Hainan, China.

Geographical distribution.

Fig. 158 . Known only from Fujian Province, China.

Remarks.

Mensural data cited in the description were obtained from the holotype and all paratypes.

Male members of this species are similar to those of Chlaenius formosensis in the shape of the lamella of aedeagus, but males and females differ from those of the latter in having antennomere 1 coniform (cylindrical in Chlaenius formosensis ), elytral intervals 6-7 pubescent throughout (glabrous medially in Chlaenius formosensis ), and males have the aedeagus convex ventrally in the middle portion (straight in Chlaenius formosensis males).

Figures

Figure 158. Map showing the known geographical distributions of Chlaenius (Lithochlaenius) spp.

Figures 16 - 21. Habitus of Chlaenius (Lithochlaenius) spp 16 Chlaenius chuanqianensis sp. n., holotype, male, dorsal view 17 Chlaenius chuanqianensis sp. n., holotype, male, ventral view 18 Chlaenius linwensini sp. n., holotype, male, dorsal view 19 Chlaenius linwensini sp. n., holotype, male, ventral view 20 Chlaenius propeagilis sp. n., holotype, male, dorsal view 21 Chlaenius propeagilis sp. n., holotype, male, ventral view. Scale line = 5.0 mm.

Figures 52 - 65. Antennomere 1 of Chlaenius (Lithochlaenius) species 52 Chlaenius chuanqianensis sp. n., holotype 53 Chlaenius linwensini sp. n., holotype 54 Chlaenius propeagilis sp. n., holotype 55 Chlaenius agilis Chaudoir, holotype 56 Chlaenius formosensis Lorenz, CCCC 57 Chlaenius leishanensis Kirschenhofer, IZCAS 58 Chlaenius noguchii Bates, IZCAS 59 Chlaenius wrasei Kirschenhofer, IZCAS 60 Chlaenius agiloides Jedlicka, IZCAS 61 Chlaenius rambouseki Lutshnik from Ussuri region, IZCAS 62 Chlaenius anchomenoides Bates, paratype 63 Chlaenius nuristanus Jedlicka, paratype 64 Chlaenius nuristanus a. rubridipes Jedlicka, paratype 65 Chlaenius rambouseki Lutshnik from Taiwan, CCCC. Scale line = 1.0 mm.

Figures 66 - 79. Humeral region of elytra of Chlaenius (Lithochlaenius) spp 66 Chlaenius chuanqianensis sp. n., holotype 67 Chlaenius linwensini sp. n., holotype 68 Chlaenius propeagilis sp. n., holotype 69 Chlaenius agilis Chaudoir, holotype 70 Chlaenius formosensis Lorenz, CCCC 71 Chlaenius leishanensis Kirschenhofer, IZCAS 72 Chlaenius noguchii Bates, IZCAS 73 Chlaenius wrasei Kirschenhofer, IZCAS 74 Chlaenius agiloides Jedlicka, IZCAS 75 Chlaenius rambouseki Lutshnik from Ussuri region, ZCAS 76 Chlaenius anchomenoides Bates, paratype 77 Chlaenius nuristanus Jedlicka, paratype 78 Chlaenius nuristanus Jedlicka, paratype 79 Chlaenius rambouseki Lutshnik from Taiwan, CCCC. Scale line = 1.0 mm.

Figures 94 - 116. Abdominal sternum VII (ventral aspect) of Chlaenius (Lithochlaenius) species 94 Chlaenius chuanqianensis sp. n., male, holotype 95 Chlaenius chuanqianensis sp. n., female, paratype 96 Chlaenius linwensini sp. n., male, holotype 97 Chlaenius linwensini sp. n., female, paratype 98 Chlaenius propeagilis sp. n., male, holotype 99 Chlaenius propeagilis sp. n., female, paratype 100 Chlaenius agilis Chaudoir, male, holotype 101 Chlaenius formosensis Lorenz, male 102 Chlaenius formosensis Lorenz, female 103 Chlaenius leishanensis Kirschenhofer, male 104 Chlaenius leishanensis Kirschenhofer, female 105 Chlaenius noguchii Bates, male 106 Chlaenius noguchii Bates, female 107 Chlaenius wrasei Kirschenhofer, male 108 Chlaenius wrasei Kirschenhofer, female 109 Chlaenius agiloides Jedlicka, male 110 Chlaenius agiloides Jedlicka, female 111 Chlaenius rambouseki Lutshnik, from Ussuri region, male 112 Chlaenius rambouseki Lutshnik from Ussuri region, female 113 Chlaenius anchomenoides Bates, male, paratype 114 Chlaenius nuristanus Jedlicka, male, paratype 115 Chlaenius nuristanus Jedlicka, female, paratype 116 Chlaenius formosanus Jedlicka from Taiwan, male. Scale line = 1.0 mm.

Figures 117 - 130. Aedeagi of Chlaenius (Lithochlaenius) species 117 Chlaenius chuanqianensis sp. n., holotype (dorsal view) 118 Chlaenius chuanqianensis sp. n., holotype (left lateral view) 119 Chlaenius linwensini sp. n., holotype (dorsal view) 120 Chlaenius linwensini sp. n., holotype (left lateral view) 121 Chlaenius propeagilis sp. n., holotype (dorsal view) 122 Chlaenius propeagilis sp. n., holotype (left lateral view) 123 Chlaenius agilis Chaudoir, holotype (dorsal view) 124 Chlaenius agilis Chaudoir, holotype (left lateral view) 125 Chlaenius formosensis Lorenz, holotype (dorsal view) 126 Chlaenius formosensis Lorenz, holotype (left lateral view) 127 Chlaenius leishanensis Kirschenhofer (dorsal view) 128 Chlaenius leishanensis Kirschenhofer (left lateral view) 129 Chlaenius noguchii Bates (dorsal view) 130 Chlaenius noguchii Bates (left lateral view). Scale lines: A = 1.0 mm (Figs 117, 119, 121, 123, 125, 127, 129); B = 0.5 mm (Figs 118, 120, 122, 124, 126, 128, 130).

Figures 80 - 93. Elytral intervals of Chlaenius (Lithochlaenius) spp. 80 Chlaenius chuanqianensis sp. n., holotype 81 Chlaenius linwensini sp. n., holotype 82 Chlaenius propeagilis sp. n., holotype 83 Chlaenius agilis Chaudoir, holotype 84 Chlaenius formosensis Lorenz, CCCC 85 Chlaenius leishanensis, IZCAS 86 Chlaenius noguchii Bates, IZCAS 87 Chlaenius wrasei Kirschenhofer, IZCAS 88 Chlaenius agiloides Jedlicka, IZCAS 89 Chlaenius rambouseki Lutshnik from Ussuri region, IZCAS 90 Chlaenius anchomenoides Bates, paratype 91 Chlaenius nuristanus Jedlicka, paratype 92 Chlaenius nuristanus Jedlicka, paratype 93 Chlaenius rambouseki Lutshnik from Taiwan, CCCC. Scale line = 1.0 mm.