中国蝽科二新种

TWO NEW SPECIES OF PENTATOMIDAE FROM CHINA (Heteroptera: Pentatomidae)

本文记述了蝽科二新种，分别属于珀蝽属（ＰｌａｕｔｉａＳｔａｌ）和卷蝽属（ＰａｔｅｒｃｕｌｕｓＤｉｓｔａｎｔ）。文中描述所用长度单位均为ｍｍ。

Two new species of Pentatomidae from China are discribed in this paper:Plautai sordidaXiong etLiu sp.nov.Description-Body length was♂6.4-7.8 mm, ♀ 7.3-9.5 mm; pronotum width ♂4.0-4.8mm,♀4.2-5.4 mm; head, pronotum, scutellum and exocorium dark green, clavus andendocorium dark purplish brown; head surface finely rugose, vertex basally densely puntured,well-spaced apicad; head apex evenly and moderately rounded, lateral margins weaklysinuate before eyes; ocelli 4.4- 5.0 times as far apart as distant from eyes, antennal segmentsⅠ,Ⅱ and base of Ⅲ yellowish green, the remainder of Ⅲ and Ⅳ,Ⅴ brown (apex darkbrown), segments length 0.45:0.68;0.79:1.02:1.14 mm. Rostrum reaching third abdominalsternite, segments length 0.57:1.0:0.80:0.67 mm; pronotum with widely spaced blackish brownpunctures, a single row of very dense punctuers just inside of anteroir and posterior margins;pronotum about 2.6 time as wide across lateral angles as long medially, antero-lateral margin straight, edge with a blackish brown thread; lateral angles roundly obtuse, weakly standing out base of embolar margin, lateral angles and inside of postero-lateral margins purplishbrown; inside of lateral angles of ten with a ochraceous stain; scutellum wider than long;discal punctures well-spaced, becoming denser laerally, apex narrowly impunctate, clavusand endocorium with dense and coarse dark brown punctures, exocorium finely punctured,with three rows of punctures, embolar margin and apical margin feebly and convexly arcuate;membrance fuliginous; connexivum green, little exposed; finely, densely and regularly punctured, punctures concolorous; posterior angles acut, blackish brown; abdominal tergumblackish brown, finely and densely punctured; body beneath yellowish brown, laterally greenin color; pubescence on mesosternal carina dense; legs dark green, alices of tibiae and tarsidark brown; base of venter centrally tumid.Male pygofer as in Figs. 1-4; phallus as in Fig. 6; clasher as in Fig. 7; female genital segment as in Fig. 5: first valvifer flat, inner margin nearly parallel in the middle, leaving aspace with divergent base and apex.Holotype, Yunnan (Menglun), 1985.V .27, Zheng Jiarong leg; paratypes ♂, same asholotype,Yunnan (Mengla) 1981 .V. 25, Li Changlian leg, 3 ♀♀, Yunnan(Jinhong)1973.V.22-24,Xiong Jiang leg. All type-specimens are kept in Kunming institute of Zoology,theChinese Academy of Science.Patercthe bidentatusXiong et Liu sp. nov.Description-Yellowish brown, punctation dark, evenly spaced; coloration distinctly darker on the head anterior half of pronotum; head length 1.35, width 2.6,slightly reflexed atapex, lateral and central lobe almost of equal length, but not meeting at apex; antennaeyellowish ochraceous, apex of 3-5 segments blackish brown, segment lengths 0.37:0.95:1.0:1.4:1.4 mm. Rostrum reaching the posterior coxae; pronotum with median portionof, anterior margin and proximal 2 / 3 of antero-lateral margin light yellow; antero-lateralmargin strainght, narrowly reflexed; connexivum with a small black spots between thesutures; body beneath yellowish, lateral area with a brown longitudinal fascia; male genitalsegment as in Figs. 8-9 phallus as in Fig.10, clasper as in Fig.11; body length: ♂7.9-8.5mm, ♀ 9.2-9.3 mm; width ♂4.9-5.3 mm,♂5.8-6.0 mm.Holotype(♂),Yunnan (Jinhong), 1979.Ⅸ .14, Xinog Jiang leg.Paratype 4 ♂♂3♀♀,same as holotype.All type specimens are kept in Kunming institute of Zoology,the ChineseAcademy of science.Allied to P.affinis(Distant),but smaller in size with different phallus.