Macroscytus popovi J.A. Lis, 1991

Zhu, Geng-Ping, Liu, Guo-Qing & Lis, Jerzy A., 2010, A study on the genus Macroscytus Fieber, 1860 from China (Hemiptera: Heteroptera: Cydnidae), Zootaxa 2400, pp. 1-15 : 10-12

Macroscytus popovi J.A. Lis, 1991

( Fig. 7 )

Macroscytus popovi J.A. Lis, 1991: 213, 1994: 225 , 2000: 461.

Diagnostic characters: Body length: 6.81–9.12 mm, body width: 3.87–4.85 mm. General body colour from castaneous to blackish brown. Head dorsally with hardly visible punctures; clypeus without subapical hairlike setae; each paraclypeus submarginally with a single preocular setigerous puncture ( Fig. 7 a), sporadically with two or three setae ( Fig. 7 b); 3rd antennal segment 1.22–1.33 times longer than the 2nd; ocular index 2.00– 2.40; interocellar index 8.0–12.0. Pronotal transverse impression behind calli shallow, with a row of punctures interrupted medially; lateral margins with 5–8 submarginal hair-like setae ( Fig. 7 a). Propleural depression and basal part of posterior convexity with numerous punctures, anterior convexity alutaceous. Mesocorial disc almost evenly punctate ( Fig. 7 a); costa narrow, moderately convex, separated from exocorium almost along its entire length; costal margin with 2–4 setigerous punctures ( Fig. 7 a). Male hind femora with distinct subapical tooth on dorsal margin and several smaller teeth on ventral margin ( Fig. 7 c); hind tibiae with small subbasal tubercles ( Fig. 7 c); female hind femora with small subapical tooth on dorsal margin, ventral margin with setae only, female hind tibiae without tubercles. Abdominal sterna smooth or weakly wrinkled laterally, with almost indistinct tiny punctures close to spiracles. Dorsal view of male genital capsule as in Fig. 7 d, its opening margins completely sclerotized; paramere as in Fig. 7 f; aedeagus as in Fig. 7 e.

Material examined: (paraclypeus with a single submarginal setigerous puncture): CHINA: Hainan Province: Mt. Diaoluo, Lingshui county (18°66'N, 109°93'E), alt. 70m, 1 female, 28.v.2007, light-trapped, Peng-zhi Dong leg., 1 female, 19.iv.2008, light-trapped, Geng-ping Zhu leg.; Wuzhishan county (18°89'N, 109°67'E), alt. 650m, 1 male, 15.v.2007, light-trapped, Xin Yu leg., 1 male, 13, iv.2009, light-trapped, Gengping Zhu; Datian Cervus eldi National Nature Reserve (19°11'N, 108°80'E), alt. 100m, 1 male, 5 females, 25.iv.2009, light-trapped, Geng-ping Zhu, Yi-ran Mu leg., 3 males, 1 female, 26.iv.2009, light-trapped, Li Xi leg., 2 males, 27.iv.2009, light-trapped, Geng-ping Zhu leg., 2 males, 1 female, 27.iv.2009, light-trapped, Yiran Mu leg., 19 males, 7 females, 28.iv.2009, light-trapped, Geng-ping Zhu, Yi-ran Mu leg., 1 male, 2 females, 29.iv.2009, light-trapped, Yi-ran Mu leg.; Duowenling (19°80'N, 109°77'E), 2 males, 1.v.2009, lighttrapped, Gengping Zhu,Ke-long Jiao leg., 1 female, 2.v.2009, light-trapped, Gengping Zhu leg.; Bawangling National Nature Reserves, Changjiang county (41°15'N, 117°12'E), 1 male, 24.iv.2009, light-trapped, Ke-long Jiao,Yi-ran Mu leg.; Maoyang Town (18°94'N, 109°52'E), 12 males, 4 females, 18.iv.2009, light-trapped, Geng-ping Zhu leg., 6 males, 5 females, 18.iv.2009, light-trapped, Yi-ran Mu leg., 1 male, 1 female, 18.iv.2009, light-trapped, Ke-long Jiao, Yi-ran Mu leg., 1 male, 1 female, 20.iv.2009, light-trapped, Yi-ran Mu leg.; Xinglong (18°45'N, 110°12'E), alt. 100m, 1 female, 1.viii.2008, light-trapped, Zhong-hua Fan leg.; Guangxi Province: Leye county (24°91'N, 106°24'E), alt. 900m, 2 males, 1 female, 28.vii.2004, Xin Yu leg.; (paraclypeus with two or three submarginal hair-like setae): Hainan Province: Datian Cervus eldi National Nature Reserve (19°11'N, 108°80'E), alt. 100m, 3 females, 25.iv.2009, light-trapped, Geng-ping Zhu, Yi-ran Mu leg., 1 female, 27.iv.2009, light-trapped, Yi-ran Mu leg., 1 females, 29.iv.2009, light-trapped, Yi-ran Mu leg.; Maoyang Town (18°94'N, 109°52'E), 2 males, 1 female, 18.iv.2009, light-trapped, Ke-long Jiao, Yi-ran Mu leg.

Distribution: China (Fujian, Hainan, Guangxi), Laos, Vietnam.

Note: Several specimens of this species collected in China bear two or three submarginal hair-like setae on each paraclypeus ( Fig. 7 b), whereas its typical specimens has only a single preocular hair-like seta ( Fig. 7 a).

Figures

FIGURE 7. Macroscytus popovi from China. (a) body outline; (b) head (with cephalic chaetotaxy variation); (c) male hind leg, dorsal view; (d) male genital capsule, dorsal view; (e) aedeagus; (f) left paramere. Scale bar = 0.25 mm.