三种广翅蜡蝉前翅形态数值特征提取与分析 *

doi:10.7679/j.issn.2095-1353.2020.101

摘要/Abstract

摘要：

【目的】 广翅蜡蝉科昆虫是果园、茶园和园艺植物上的重要害虫之一,对其种类进行自动判别是实现其种群自动监测的基础。本研究拟通过获取3种广翅蜡蝉前翅轮廓特征探讨在其种类和性别鉴定中的作用。【方法】 采用图像处理与分析技术,对3种广翅蜡蝉前翅轮廓形态特征进行提取和分析,并使用SPSS v22.0对数据进行分析。【结果】 同一种广翅蜡蝉左右翅在轮廓形态上无显著差异,雌雄间各参数在不同种类广翅蜡蝉中差异性不同,其中5个实际测量参数在雌雄间差异达到显著或极显著水平,只有透明广翅蜡蝉的周长不显著。除周长和雄虫圆形度外,其它各类参数在种间的差异达到显著或极显著水平。通过典型判别分析,认为所选用的3种广翅蜡蝉,通过其前翅轮廓特征可以进行种间判别,其原始判别和交叉验证判别的正确率均超过90%。【结论】 通过提取前翅轮廓特征可以实现3种广翅蜡蝉种类的识别,为此类昆虫的自动鉴定和种群监测提供了重要的参考依据。

关键词: 特征提取, 雌雄鉴别, 种类鉴定, 自动监测, 蜡蝉

Abstract:

[Objectives] To investigate if contour features of the forewings of three Ricaniidae plant hopper species, one of the most important families of pests in orchards, tea plantations, and horticultural plants, can be used to reliably identify an individual’s species and sex. [Methods] Morphological features of the forewings of the three plant hopper species were extracted by image processing and analysis technology and the data analyzed in SPSS v22.0. [Results] There was no significant difference in the contour morphological parameters of the left and right wings of one species. However, there was a difference in these parameters between female and male adults of the other two species. Except for the perimeter measurement in Euricania clara, differences in five actual measurements were either significant, or extremely significant, between females and males. Except for the circularity measurement of males and the perimeter measurement, differences in other parameters were also significant, or extremely significant, between species. Canonical discriminant analysis indicates that these three pest species can be distinguished by their forewing contour features with an accuracy from original and cross validation discrimination of more than 90%. [Conclusion] Three kinds of plant hoppers can be reliably identified by the contour features of their forewings, which provides a method for the automatic identification and population monitoring for these pests.

Key words: feature extraction, sex discrimination, species identification, automatic monitoring, plant hopper

潘鹏亮, 洪枫, 陈俊华, 刘红敏, 尹新明, 熊建伟. 三种广翅蜡蝉前翅形态数值特征提取与分析 ^*[J]. 应用昆虫学报, 2020, 57(4): 980-987.

Peng-Liang PAN, Feng HONG, Jun-Hua CHEN, Hong-Min LIU, Xin-Ming YIN, Jian-Wei XIONG. Extraction and analysis of numerical characteristics from forewings of three plant hopper species (Homoptera: Ricaniidae)[J]. Chinese Journal of Applied Entomology, 2020, 57(4): 980-987.

图/表 4

图1 3种蜡蝉前翅 A. 柿广翅蜡蝉;B. 八点广翅蜡蝉;C. 透明广翅蜡蝉。

Fig. 1 Forewings from three plant hopper species A. Ricania sublimbata; B. Ricania speculum; C. Euricania clara.

图2 3种蜡蝉雌雄翅形态参数比较 A,B. 柿广翅蜡蝉;C,D. 八点广翅蜡蝉;E,F. 透明广翅蜡蝉。图中数据为平均值±标准差,**表示在α=0.01水平上差异显著;*表示α=0.05水平上差异显著;ns表示不显著。Ar：面积;Pe：周长;LA：长轴长度;SA：短轴长度;Eq：等效圆半径;Ec：偏心率;Co：紧凑度;Sp：球状性;Lo：叶状性;Ci：圆形度。

Fig. 2 Comparison results of morphological parameters about forewings of male and female from three plant hopper species A, B. R. sublimbata; C, D. R. spechlum; E, F. E. clara. The data in the figure are mean±SD; ** indicates significantly different at 0.01 level, * indicates significantly different at 0.05 level, and the ns indicates no significant difference between different sexual samples in one species. Ar: Area; Pe: Perimeter; LA: Long axis; SA: Short axis; Eq: Equal radius; Ec: Eccentricity; Co: Compactness; Sp: Sphericity; Lo: Lobation; Ci: Circlularity.

图3 3种蜡蝉各数据集在前翅形态参数间的差异图中数据为平均值±标准差。同一组柱上标有不同字母表示种间差异显著,相同字母表示差异不显著（α=0.05）。Ar：面积;Pe：周长;LA：长轴长度;SA：短轴长度;Eq：等效圆半径;Ec：偏心率;Co：紧凑度;Sp：球状性;Lo：叶状性;Ci：圆形度。

Fig. 3 Difference of morphological parameters of forewings from three plant hopper species with different data sets The data in the figure are mean±SD. Histograms with different letters within one group indicate significant difference between species, while same letters indicate no significant difference at 0.05 level. Ar: Area; Pe: Perimeter; LA: Long axis; SA: Short axis; Eq: Equal radius; Ec: Eccentricity; Co: Compactness; Sp: Sphericity; Lo: Lobation; Ci: Circlularity.

表1 3种蜡蝉不同数据集判别分析结果

Table 1 Results of canonical discriminant analysis about different data sets from three plant hopper species

数据类型 Data types		种类 Species	预测组成员（%）Predicted group membership (%)
数据类型 Data types		种类 Species	柿广翅蜡蝉 R. sublimbata	八点广翅蜡蝉 R. spechlum	透明广翅蜡蝉 E. clara
综合数据^a1,c1Aggregate data	原始 Original	柿广翅蜡蝉 R. sublimbata	98.6	0.0	1.4
		八点广翅蜡蝉 R. spechlum	0.0	95.0	5.0
		透明广翅蜡蝉 E. clara	0.0	0.7	99.3
	交叉验证^bCross-validated	柿广翅蜡蝉 R. sublimbata	98.6	0.0	1.4
		八点广翅蜡蝉 R. spechlum	5.0	90.0	5.0
		透明广翅蜡蝉 E. clara	0.0	0.7	99.3
实际测量数据^a2,c2Direct measurement data	原始 Original	柿广翅蜡蝉 R. sublimbata	98.6	0.0	1.4
		八点广翅蜡蝉 R. spechlum	10.0	80.0	10.0
		透明广翅蜡蝉 E. clara	0.0	0.7	99.3
	交叉验证^bCross-validated	柿广翅蜡蝉 R. sublimbata	98.6	0.0	1.4
		八点广翅蜡蝉 R. spechlum	10.0	80.0	10.0
		透明广翅蜡蝉 E. clara	0.0	0.7	99.3
二次数据^a3,c3Secondary data	原始 Original	柿广翅蜡蝉 R. sublimbata	97.8	0.0	2.2
		八点广翅蜡蝉 R. spechlum	55.0	40.0	5.0
		透明广翅蜡蝉 E. clara	8.0	0.7	91.3
	交叉验证^bCross-validated	柿广翅蜡蝉 R. sublimbata	97.8	0.0	2.2
		八点广翅蜡蝉 R. spechlum	65.0	30.0	5.0
		透明广翅蜡蝉 E. clara	8.0	0.7	91.3

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