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当前位置: 首页 > 文章 > 中国长珠蚧属一新种记述(同翅目:蚧总科:珠蚧科) 林业科学 2006,42 (4) 65-67
Position: Home > Articles > A Description of a New Species of Genus Neogreenia MacGillivray from China (Homoptera: Coccoidea: Margarodidae) Scientia Silvae Sinicae 2006,42 (4) 65-67

中国长珠蚧属一新种记述(同翅目:蚧总科:珠蚧科)

作  者：
武三安;程桂芳
单  位：
北京林业大学省部共建森林培育与保护教育部重点实验室;北京市东城区绿化队
关键词：
同翅目;珠蚧科;长珠蚧属;新种;槐树;中国
摘  要：
报道发现于北京国槐上的蚧虫一新种——槐树长珠蚧(NeogreeniasophoricaWu,sp.nov.),详细记述并描绘该种各虫龄的形态特征,编制长珠蚧属(NeogreeniaMacGillivray)世界种类的分种检索表。
译  名：
A Description of a New Species of Genus Neogreenia MacGillivray from China (Homoptera: Coccoidea: Margarodidae)
作  者：
Wu San'an~1 Cheng Guifang~2(1.The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University Beijing 100083; 2.The Gardening Team of Dongcheng District of Beijing Beijing 100011)
关键词：
Homoptera; Margarodidae; Neogreenia; new species; Sophora japonica; China
摘  要：
A new species, Neogreenia sophorica Wu, collected from Beijing inside bark tissue of Sophora japonica is described and illustrated with its adult female, egg, 1~ st and 2~ nd instar nymph. The new species can be easily distinguished from other species in genus Neogreenia by claw with 2 minute denticles. A new combination is constructed for Kuwania osmanthus, transferring from genus Kuwania to genus Neogreenia. A key to the world species of genus Neogreenia is also given. All type specimens are deposited in the Insect Collections of Department of Forestry Protection, Beijing Forestry University. Adult female:body elongate with marked segmentation, orange yellowish in colour, 3.75～6.05 mm long and 1.70～2.75 mm wide. Antennae ten_segmented. Mouthpart developed. Leg in 3 pair, at apex of tibia with a tuft of 5～8 digitules acute in form,tarsus bowed distinctly, claw with 2 denticles and 1 pair of acute digitules. Thoracic spiracles each with a group of multilocular pores at inner end of atrium; abdominal spiracles in 6 pairs, all smaller than the thoracic ones, with small amount of multilocular pores within its atrium. Derm bearing 2 types of disc pores: the one being multilocular pore, the other simple disc pore. First instar nymph: body elongate, yellowish in colour, about 0.76 mm long and 0.27 mm wide. Antennae seven_segmented. Mouthpart and legs much developed, claw with 1 denticle at its plantar surface. Abdominal spiracles only 1 pair. Abdominal sternite Ⅵand Ⅶ each with a circulus. Second instar nymph(cyst): body oval, about 3.8 mm long and 2.0 mm wide. Antennae reduced. Legs entirely absent. Abdominal spiracles in 5pairs. Holotype: 1 adult female, Dongcheng District, Beijing; inside bark tissue of Sophora japonica, May 3, 2004; Coll. Cheng Guifang. Paratypes: 10 adult females, 8 1~ st instar nymphs and 7 2~ nd instar nymphs, from April 24 to May 3, 2004; other data as holotype.

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