塞尔维亚区系一新种伪magnolia球菌生物学(半翅目:球虫科)

Marina Dervisevic, Aleksandar Stojanovic, Draga Graora
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引用次数: 0

摘要

2015年,在塞尔维亚贝尔格莱德地区首次发现了一种名为pseudomagnoliarum (Kuwana)(半翅目:球虫科)的瓢虫,寄生于Celtis occidentalis l.c. . pseudomagnoliarum,每年发育一代,在寄主树枝上以二龄若虫的形态越冬。它在受感染的植物上形成大量的菌落,其进食的症状表现为叶子和树枝干燥。此外,这种鳞片分泌的大量蜜露会减少植物的光合作用和蒸腾作用,从而加速植物的腐烂。柑桔鳞片吸引了许多食虫昆虫,可以减少害虫的数量。饲养拟寄生蜂有:lycimnia Coccophagus (Walker), piceae Erdos, scutellaris (Dalman), shillongensis (Hayat and Singh)(蚜虫科),Cheiloneurus claviger Thomson和Metaphycus stanleycompere (encytidae)。C. piceae和M. stanleyi是塞尔维亚区系的新种。C. pseudomagnoliarum是M. stanleyi的新寄主。在鳞片群落中发现捕食者有七星瓢虫(Coccinella七星瓢虫)、四足瓢虫(Exochomus quadripustulatus L.)和瓢虫科(Chrysoperla carnea Stephens)。对假木兰若虫最有效的天敌为lycimnia,可使蚧虫种群减少11% ~ 26%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bionomy of Coccus pseudomagnoliarum (Kuwana) (Hemiptera: Coccidae), a new species in the fauna of Serbia
Citricola scale, Coccus pseudomagnoliarum (Kuwana) (Hemiptera: Coccidae) was for the first time registered in Serbia in 2015 in the area of Belgrade on Celtis occidentalis L. C. pseudomagnoliarum develops one generation annually and overwinters as the second-instar nymph on host twigs. It forms numerous colonies on infested plants, and symptoms of its feeding appear in the form of drying leaves and twigs. In addition, large amounts of honeydew that this scale secretes reduce photosynthesis and transpiration in plants, which accelerates their decay. Citricola scale attracts many entomophagous insects which are able to reduce pest population. The parasitoid wasps Coccophagus lycimnia (Walker), Coccophagus piceae Erdos, Coccophagus scutellaris (Dalman), Coccophagus shillongensis (Hayat and Singh) (Aphelinidae), Cheiloneurus claviger Thomson and Metaphycus stanleyi Compere (Encyrtidae) were reared. C. piceae and M. stanleyi are new species in the fauna of Serbia. C. pseudomagnoliarum is a new host for the species M. stanleyi. The predators Coccinella septempunctata L., Exochomus quadripustulatus (L.) (Coccinellidae) and Chrysoperla carnea (Stephens) (Chrysopidae) were found in scale colonies. The most efficient natural enemy of C. pseudomagnoliarum nymphs was C. lycimnia, reducing scale populations by 11-26%.
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