Caracterização e distribuição espacial de galhas em Clusia nemorosa G. Mey (Clusiaceae) em uma área de Floresta Atlântica, Igarassu, PE

Isabela V. dos Santos-Mendonça, M. Lucena, Sandra Freitas de Vasconcelos, J. S. Almeida-Cortez
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引用次数: 3

Abstract

The objective of this study was to characterize the galls of Clusia nemorosa G. Mey (Clusiaceae). We selected 30 young plants in trails of Refugio Charles Darwin, an Atlantic forest fragment in Pernambuco, Brazil. The height of each plant was measured and the number of leaves, leaves with galls, and galls per leaf were counted. Leaves with galls were collected from ten specimens and brought to laboratory to be described and to have the inductor observed. We observed galls in only ten individuals of the thirty initially selected. The number of galls per plant varied from 3 to 336. Out of 1,399 leaves inspected, 541 galls were counted in 137 leaves. The galls were deep green, elliptical, crossing the abaxial and adaxial leaf surfaces, preferentially located at the center of the leaf (H=23,48; p<0.01; n=137), but with 49% at the leaf margin. The galls had 5.5 mm and 4.7 mm bearing one larval chamber with one larvae, and were induced by an unidentified species of Hymenoptera. Keywords: Cecidomyiidae, trophic interaction, plant-herbivore interaction, herbivory, galls.
大西洋森林中Clusia nemorosa G. Mey (Clusia科)瘿的特征和空间分布
摘要本研究的目的是对月桂科植物月桂瘿的特征进行研究。我们在巴西伯南布哥的一片大西洋森林——达尔文保护区的小径上选择了30株幼苗。测量每株植物的高度,计算叶片数、带瘤叶片数和单叶瘿数。从10个标本中收集带瘿的叶片,带到实验室进行描述并观察诱导剂。我们在最初选择的30个人中只观察到10个人的胆囊。每株的瘿数从3到336不等。在被检查的1399片叶子中,137片叶子中有541颗虫瘿。果瘿呈深绿色,椭圆形,横跨叶的背面和正面,优先位于叶的中心(H=23,48;p < 0.01;N =137),但叶缘占49%。蛹长分别为5.5 mm和4.7 mm,各有一个幼虫室和一个幼虫,由一种膜翅目昆虫诱导。关键词:柞蚕科;营养相互作用;植食相互作用;
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