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《Acta Zootaxonomica Sinica》 2007-03
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DESCRIPTIONS OF TWO NEW SPECIES OF THE GENUS SYMPIESIS FOERSTER(HYMENOPTERA,EULOPHIDAE)PARASITIZING LEPIDOPTERIOUS DEFOLIATORS FROM CHINA

YAO Yan-Xia, YANG Zhong-Qi, LI Guang-Wu Key Laboratory of Forest Protection of the State Forestry Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China  
Two species, Sympiesis chaliloides sp. nov. and Sympiesis closterae sp. nov., are described as new to science. Sympiesis chaliloides sp. nov. is a parasitoid of Chaliloides kondonis Matsumura. Sympiesis closterae sp. nov. is a parasitoid of Clostera anachoreta (Fabricius). Diagnostic characters are described in details and illustrated. Type specimens are deposited in the Insect Museum of Chinese Academy of Forestry, Beijing.Sympiesis chaliloides sp. nov. (Figs.1-3,7-9)Length: ♀1.5-2.8?mm, ♂1.2-1.8?mm.The new species is similar to S. viridula Thomson, but can be distinguished by the key below. Antennae with dorsal side non-metallic; frons with median carina branched below front ocellus; metasoma 1.7 times as long as board, and shorter than mesosoma, 0.7 times as long as combination of head and thorax. Body 3.8 times as long as width of mesosomaS. chaliloides sp. nov.Antennae with dorsal side metallic; frons with median carina straight not branched; metasoma at least 2 times as long as board, equal to combination of head and mesosoma Body slender, length 4.2 times as long as width of mesosomaS. viridula ThomsonHolotype ♀, Huitang Town, Ningxiang. County(28.2°N, 112.5°E), Hunan Province, China, 6 Aug. 1987, TONG Xin-Wang, reared from the larva of Chaliloides kondonis Matsumura (Lepidoptera, Psychidae). Paratypes: 20♀♀, 4♂♂, same data as holotype.Etymology. The new species is named from its host genus Chaliloides.Sympiesis closterae sp. nov. (Figs.4-6,10-12)Length: ♀2.3-2.7?mm, ♂2.0?mm.It is close to S. enargiae Miller, but can be distinguished by the key below.Antennae with pedicellum 2/3 as long as funicular 1; mesosoma 1.5 times as long as wide in dorsal view; mesoscutum with length equal to combination of pronotum and propodeum; spiracle lie in more than 1/2 of its diameter form the hind edge of dorsellum; metasoma long oval, shorter than combinated length of head and mesosomaS. closterae sp. nov.Antennae with pedicellum 1/2 as long as funicular 1; mesosoma about square in dorsal view; mesoscutum 4 times as long as combination of pronotum and propodeum; spiracle lie in more than 1/4 of its diameter form the hind edge of dorsellum; metasoma broad oval, equal to combinated length of head and mesosomaS. enargiae MillerHolotype ♀, Campus of Chinese Academy of Forestry, Beijing, China, 16 Apr. 2004, LI Guang-Wu, reared from the larva of Clostera anachoreta (Fabricius) (Lepidoptera: Notodontidae). Paratype: 4♀♀, 3♂♂, same data as holotype.Etymology. The new species is named from its host genus Clostera.
【CateGory Index】: Q969.54
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