匙同蝽属(Elasmucha Stal)一新种(半翅目:同蝽科)

A New Species of Elasmucha (Hemiptera. Acanthosomatidae)

本文报道在广东省封开县采集到的匙同蝽属昆虫一新种封开匙同蝽。

In the present paper, a new species of Acanthosomatidae from Guangdongprovince, China is described. All the measurements in descriptions are in mill-meter. All type specimens are deposited in the Research Institute of Entomology,Zhongshan University. Elasmucha fengkainica sp. nov. (Figs. a-c) Body length; 9.0, 9.2. Width of pronotum between lateral angles,8.4,8.8. Body ovate, brown, with thickly brown punctures and yerrow pubescence,punctures finely on the corium. Head and anteior part of pronotum oblique for-wardly. Head length 1.6, width 1.6, with punctures, clypeus longer than thelateral lobes, compound eyes and ocelli brown. Antennae brown, with, pubesc-ence, segments of the 4th and 5th black brown, Segment lengths 1:2:3:4:5=0.8:1.5:1.3:1.6:1.3. Rostrum reaching the 4th sternum. The lateral angles of pronot-um robust, with punctures, and its apex curved backward (fig.a). Scutellumtriangular, narrowed in bind part and apex rounded. Corium with black-brownpunctures at the costal areas. membrane of hemelytra yellownish-brown, semit-ransparent and exceeded the apex of abdoment. Connexlvum brown-yellow, por-terior angles produced into denticulate. Abdomen beneath with median carina.Male genitalia and clasper as shown in the figs. b-c. Holotype, allotype, Heishiding Natural protfective Area(23° 31′N, 111°53′E), Fengkai, Guangdong. 1985, Ⅸ. 11. collected by author, paratype 6 ,6, the same as Holotype. This new species is similar to Elasmach angulare Hsiao et Liu, but diffgersin: 1) body smaller; 2) the lateral angles of pronotum cusped and its apex curv-ed backword; 3) the structure of male genitaliu and clasper.