Picromerus griseus ( Dallas, 1851 )

Zhao, Qing, Liu, Guoqing & Bu, Wenjun, 2013, A review of the Chinese species of the genus Picromerus Amyot and Serville, with description of a new species (Hemiptera: Heteroptera: Pentatomidae: Asopinae), Zootaxa 3613 (2), pp. 146-164 : 149-150

Picromerus griseus ( Dallas, 1851)

Figs. 5, 6 , 23 , 29, 34, 39 , 44, 49, 54 , 59, 64

Canthecona grisea Dallas, 1851: 92 .

Picromerus obtusus Walker, 1867: 133 (syn. Schouteden, 1907: 25).

Picromerus nigrivitta Walker, 1867: 133 (syn. Distant, 1900: 58).

Picromerus sundanus Breddin1902: 96 (syn. Thomas, 1994: 192).

Male terminalia. Dorsoposterior rim of pygophore ( Figs. 29, 34 , 44, 49 ) concave, with two subtriangular parandria and sparse setae; ventroposterior rim with a medial notch and very long setae, laterally convex, and sinuate lateroposterior angle round and a little higher than the notch bottom Paramere ( Figs. 39 , 54 ) wide in basal part, apex hooked and digitiform, outer margin arched and very thickened; inner branch short and obtuse, with outer margin arched; concavity nearly semicircled. Aedeagus (Figs. 59, 64) with one pair of basolateral conjunctival lobes, which divided into two branches: proximal one and distal one. Proximal branch small, short, membranous; distal branch long and narrow, with sclerotized apex. Apical conjunctival lobe long and bifurcate, stretch out from apical part of theca. Vesica distinctly stretched from the venter of median penial plates, but not passing the apex of median penial plates.

Measurements (in mm). Body length 11.0–15.0; length of head 2.5–2.8, width across eyes 2.4–2.5, interocular distance 1.4–1.6; length of antennomeres (I) 0.3–0.4: (II) 1.7–1.8: (III) 1.3–1.6: (IV): 1.8–2.0: (V) 1.7–1.9; median length of pronotum 2.8–3.2, humeral width 7.6–9.0; length of scutellum 4.0–4.2, width of scutellum 3.7–3.9.

Specimen examined: CHINA: Fujian: 1 male, Da’an (27.51N, 119.52E), 26. XI. 1959, Gentao Jin and Yangming Lin leg. ( SEM) ; Guangxi: 1 female, Langping County (24.48N, 106.36E), Tianlin Town , alt. 1200–1400m, 27. V. 2002, Jianwen Liu leg. ; 1 male, Bapen Village (22.52N, 107.87E), Fusui County, 17–18. VIII. 2004, Yang Yu and Yibin Ba leg. ( HBUM) . Guizhou: 1 male, Changming Village (26.34N, 107.19E), Guiding County, alt. 1050m, 9. IX. 2000, Chuanren Li leg. ; 1 male, same place as above, 8. IX. 2000, Chuanren Li and Changfa Zhou leg. Hainan: Baisha County (19.23N, 109.45E), 13. III. 1959, Gentao Jin leg. ( SEM) ; Sichuan: 1 male, Baoguosi (29.57N, 103.44E), E’mei Mt., alt. 600m, 25. VI. 1957, Leyi Zheng and Hanhua Cheng leg. Xizang: 2 females, Beibeng Town (29.24N, 95.18E), Medog County, 28. VII. 1977, Jianyi Wu leg. ( SEM) ; 1male, same data as above except collect date, 11. VII. 1979 ( SEM) ; Yunnan: 1 female, National Forest Protection Park (25.02N, 98.49E), alt. 1650m, Tengchong County, Baoshan City , 9. VIII. 2006, Cuiqing Gao leg. ; 1 female, Lancang River bank (22.58N, 100.57E), alt. 520m, Nuozhadu Village, Simao County, Wenjun Bu leg. ; 2 females, Yangbi County (25.69N, 99.96E), Dali City , 21. VIII. 2006, Xu Zhang leg. ; 1 female, Ruili Rare Botanical Gardens (24.02N, 97.85E), alt. 1200m, Dehong Daizu Jingpozu Zizhizhou , 31. VII. 2006, Xueqin Shi leg. ; 1 male, same data as above except collector Zhonghua Fan leg. ; 1 female, same data as above except collect date, 1. VIII. 2006 leg .; 1 female, same place as above, 29. VII. 2006, Zhonghua Fan lighting trap; 1 female, same place as above, 30. VII. 2006, Xu Zhang leg.; 1 male, same place as above, 3. VIII. 2006, Hua Guo leg.; 1 female 1male, Hutiaoxia (27.19N, 100.05E), Zhongdian County, alt. 2050m, 10. VI. 1996, Wenjun Bu leg. ; 1 female, Yichang Village (24.60N, 100.68E), Wenlong County, Jingdong County , alt. 1800–2000m, 11. XI. 2001, Weibing Zhu leg. ; 1 female, Da Menglong (21.80N, 100.65E), Jinghong City , 30. IX. 1979, Leyi Zheng leg. ; 1 female, An’ning City (24.94N, 102.48E), 7. VII. 1988 leg .; 1 female, Shaba Forest Farm (24.96N, 98.559E), Tengchong County, alt. 1800m, 9. VIII. 2006, Hua Guo leg. ; 1 male, Cangshan (25.61N, 100.26E), alt. 2050m, Dali City , 21.VIII.2006, Hua Guo leg. ; 1 male, Bangmai Village (24.64N, 100.73E), Wenlong County, Jingdong City , alt. 1900m, 10. IX. 2001, Weibing Zhu leg. ; 1 male, Pianma Village (26.01N, 98.63E), Lushui County, 9–12, V. 2004, Xiujuan Yang and Yushuang Liu leg. (HBUM).

Distribution. Hsiao et al. (1977) provided distributional information in China (Guangdong, Guangxi, Sichuan, Xizang, Yunnan); Bhutan; Bangladesh; Myanmar; Pakistan; Indonesia (Java). This paper added Fujian, Guizhou, Hainan provinces of China.

Remarks. Body of this species dark brown; pronotum without pale vertical midline, the apex of pronotal lateral angle with an obvious tooth ( Fig. 23 ). The yellow spots in basal angles of scutellum not obviously. Connexivum entirely black, rarely with mottled yellow spots. Membrane not surpassing the end of abdomen ( Fig. 5 ).

Figures

FIGURES 5–8. Habitus photographs of Picromerus species.5–6 P. griseus (5 dorsal view; 6 ventral view). 7–8 P. viridipunctatus (7 dorsal view; 8 ventral view). Bar = 5 mm.

FIGURES 19–26. Pronotal humeral angle of Picromerus. (19 P. bidens; 20–22 P.lewisi; 23 P.griseus; 24 P. viridipunctatus; 25 P. fasciaticeps; 26 P. elevatus sp. nov.)

FIGURES 27–41. 27–31 Photos of pygophoral dorsal view (27 P. bidens; 28 P.lewisi; 29 P.griseus; 30 P. viridipunctatus; 31 P. elevatus sp. nov.); 32–36 Photos of pygophoral ventral view (32 P. bidens; 33 P.lewisi; 34 P.griseus; 35 P. viridipunctatus; 36 P. elevatus sp. nov.); 37–41 Photos of paramere (37 P. bidens; 38 P. lewisi; 39 P. griseus; 40 P. viridipunctatus; 41 P. elevatus sp. nov.). Bars = 0.2mm.

FIGURES 42–56. 42–46 Outline of pygophoral dorsal view (42 P. bidens; 43 P.lewisi; 44 P.griseus; 45 P. viridipunctatus; 46 P. elevatus sp. nov.); 47–51 Outline of pygophoral ventral view (47 P. bidens; 48 P.lewisi; 49 P.griseus; 50 P. viridipunctatus; 51 P. elevatus sp. nov.); 52–56 Outline of paramere (52 P. bidens; 53 P. lewisi; 54 P. griseus; 55 P. viridipunctatus; 56 P. elevatus sp. nov.). (dp. r. = dorsoposterior rim; lp. a. = lateroposterior angle; m. n. = medial notch; o. m. = outer margin; p. = parandria; i. b. = inner branch; vp. r. = ventroposterior rim). Bars = 0.2mm.