4种榕树对榕透翅毒蛾生长发育及取食偏好的影响

廖菘凯; 黄家豪; 卢隆鑫; 林浩宇; 王家晋; 梁甜; 陈辉

doi:10.12171/j.1000-1522.20220028

4种榕树对榕透翅毒蛾生长发育及取食偏好的影响

doi: 10.12171/j.1000-1522.20220028

1.
华南农业大学林学与风景园林学院，广东广州 510642
2.
南京林业大学林学院，江苏南京 210037

基金项目: 国家自然科学基金项目（31870636）

详细信息

作者简介:
廖菘凯。主要研究方向：森林昆虫学。Email：skliao@stu.scau.edu.cn　地址：510642 广东省广州市五山路483号

责任作者:
陈辉，教授，博士生导师。主要研究方向：森林昆虫学。Email：chenhui@scau.edu.cn　地址：同上

中图分类号: S763.3
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出版历程
- 收稿日期: 2022-01-17
- 录用日期: 2022-06-08
- 修回日期: 2022-02-11
- 网络出版日期: 2022-06-11

Effects of different banyan species on the growth, development and feeding preference of Perina nuda

1.
College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong, China
2.
College of Forestry, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

摘要

摘要: 目的探究榕透翅毒蛾对不同榕属植物的寄主偏好性和选择性，为榕透翅毒蛾的防治提供科学依据。方法以广州市4种榕透翅毒蛾寄主植物：黄金榕、高山榕、垂叶榕、小叶榕（雅榕）为对象，分析榕透翅毒蛾取食不同榕树叶片后的生长发育和摄食量等指标。结果不同榕树饲养的榕透翅毒蛾幼虫龄期存在差异，黄金榕5 ~ 7龄，高山榕和小叶榕6 ~ 8龄，垂叶榕6 ~ 9龄；垂叶榕饲养的榕透翅毒蛾幼虫发育历期最长，而黄金榕饲养的榕透翅毒蛾幼虫发育历期最短；在榕透翅毒蛾幼虫发育的每一龄级，以黄金榕饲养的榕透翅毒蛾幼虫体长、体质量和排泄物鲜质量最大；黄金榕饲养的榕透翅毒蛾幼虫2 ~ 7龄头壳宽最宽（1龄头壳高山榕最宽）；黄金榕和高山榕饲养的榕透翅毒蛾幼虫存活率显著高于垂叶榕和小叶榕；幼虫取食黄金榕的榕透翅毒蛾雌成虫寿命最长，而取食高山榕的雄成虫寿命最长，雌成虫预卵期最短，单雌产卵量最多；1 ~ 4龄幼虫取食黄金榕的5龄幼虫更偏爱取食高山榕，而取食其他3种榕树的5龄幼虫寄主偏好性不明显。结论榕透翅毒蛾对4种榕树的偏好性和选择性存在显著的差异，其中黄金榕和高山榕比垂叶榕和小叶榕更适合榕透翅毒蛾幼虫生长发育。
- 榕透翅毒蛾 /
- 榕属植物 /
- 发育历期 /
- 存活率 /
- 取食偏好
Abstract: Objective To explore the host preference and selectivity of Perina nuda to different banyan species. Methods 4 species of host trees (Ficus macrocarpa, F. altissima, F. benjamina, and F. concinna) in Guangzhou were selected to feed on P. nuda and measure indicators such as their growth, development and food intake. Results The findings demonstrated that larval instar of P. nuda fed on 4 banyan species varied. During larval instar, P. nuda fed on F. microcarpa was 5th to 7th instar, P. nuda fed on F. altissima was 6th to 8th instar, and P. nuda fed on F. benjamina was 6th to 9th instar. This means that the development period of larval of P. nuda fed on F. benjamina was longest while the shortest period was the P. nuda fed on F. microcarpa. Additionally, body length, body weight and fecal weight of P. nuda larval fed on F. microcarpa were at the top among 4 banyan species. In the meanwhile, the 2nd to 7th instar larvae raised by F. microcarpa have the widest head capsule (the 1st instar larvae fed on F. altissima had the widest head capsule). Besides, the survival rates of P. nuda larvae reared by F. microcarpa and F. altissima were significantly higher than those of F. benjamina and F. concinna. Furthermore, the female adults of P. nuda larvae feeding on the F. microcarpa had the longest lifespan, while the male adults feeding on the F. altissima had the longest lifespan. It was also showed that the female adult had the shortest pre-ovulation period, and the single female laid the most eggs. Finally, it was found that the larvae fed on F. microcarpa at the 1st to 4th instars prefers to feed on F. altissima at the 5th instar, while the host preferences of 5th instar P. nuda larvae feeding on other three banyan species were not obvious. Conclusion There were significant differences in the selectivity and preference of P. nuda to 4 banyan species according to the results. Among them, the adaptability of P. nuda to F. microcarpa and F. altissima was strgonger than F. benjamina and F. concinna.
- Perina nuda /
- Ficus spp. /
- development period /
- survival rate /
- feeding preference

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图 1 不同榕树对榕透翅毒蛾幼虫和蛹存活率的影响

1L、2L、3L、4L、5L、6−9L分别为1龄、2龄、3龄、4龄、5龄、6-9龄幼虫；PP. 蛹；TT. 总体。同组数据不同字母表示幼虫和蛹的存活率差异显著（P < 0.05）。1L, 2L, 3L, 4L, 5L, and 6−9L mean 1st instar, 2nd instar, 3rd instar, 4th instar, 5th instar and 6th-9th instar, respectively; PP, pupa; TT, total. Different lowercase letters indicated significant differences in survival rates at larval and pupal stage between different banyan species (P < 0.05).

Figure 1. Effect of banyan species on the survival rates of P. nuda during larval and pupal stages

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表 1 不同榕树饲养的榕透翅毒蛾幼虫和蛹发育历期

Table 1. Development period of P. nuda at larval and pupal stages fed on different banyan species

发育阶段 Development stage	发育历期 Development period/d				统计分析 Statistical analysis
发育阶段 Development stage	黄金榕 F. microcarpa	高山榕 F. altissima	小叶榕 F. concinna	垂叶榕 F. benjamina	F	df	P
1龄幼虫 1^st instar larva	4.880 ± 0.168b	6.470 ± 0.175a	5.940 ± 0.514a	6.320 ± 0.342a	8.855	3	< 0.001
2龄幼虫 2^nd instar larva	3.880 ± 0.149b	4.450 ± 0.176ab	5.000 ± 0.331a	4.930 ± 0.176a	5.073	3	0.003
3龄幼虫 3^rd instar larva	4.880 ± 0.200ab	4.690 ± 0.123b	5.690 ± 0.499a	5.800 ± 0.663a	3.225	3	0.027
4龄幼虫 4^th instar larva	4.940 ± 0.269a	4.170 ± 0.149a	4.750 ± 0.250a	4.700 ± 0.300a	2.302	3	0.083
5龄幼虫 5^th instar larva	4.830 ± 0.220a	4.520 ± 0.202a	4.500 ± 0.195a	4.800 ± 0.291a	0.581	3	0.629
6龄幼虫 6^th instar larva	4.880 ± 0.377a	4.680 ± 0.116a	5.330 ± 0.333a	4.900 ± 0.277a	0.763	3	0.519
7龄幼虫 7^th instar larva	5.250 ± 0.629ab	4.670 ± 0.211b	6.330 ± 0.333a	5.330 ± 0.373ab	5.364	3	0.004
8龄幼虫 8^th instar larva	−	−	−	5.670 ± 0.333	−	−	−
幼虫期 Larval stage	28.070 ± 0.678 c	31.570 ± 0.536b	36.750 ± 0.789a	38.600 ± 1.869a	29.434	3	< 0.001
蛹期 Pupal stage	8.320 ± 0.189a	8.290 ± 0.101a	8.420 ± 0.149a	8.560 ± 0.176a	0.389	3	0.761
注：同一行数据不同小写字母表示取食不同榕树的榕透翅毒蛾幼虫和蛹发育历期的差异显著（P < 0.05）。Note: Means in the same row followed by different lowercase letters indicated significant differences in development period of P. nuda at larval and pupal stages fed on different banyan species (P < 0.05).

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表 2 不同榕树饲养的榕透翅毒蛾幼虫体长

Table 2. Body length of P. nuda at larval stages fed on different banyan species

发育阶段 Development stage	体长 Body length/mm				统计分析 Statistical analysis
发育阶段 Development stage	黄金榕 F. microcarpa	高山榕 F. altissima	小叶榕 F. concinna	垂叶榕 F. benjamina	F	df	P
2龄幼虫 2^nd instar larva	4.476 ± 0.076a	4.087 ± 0.074b	3.580 ± 0.105c	3.921 ± 0.128b	16.508	3	< 0.001
3龄幼虫 3^rd instar larva	5.959 ± 0.119a	5.593 ± 0.216ab	5.036 ± 0.312bc	4.933 ± 0.181c	5.261	3	0.002
4龄幼虫 4^th instar larva	9.873 ± 0.303a	7.789 ± 0.278b	7.467 ± 0.368b	6.440 ± 0.223c	19.801	3	< 0.001
5龄幼虫 5^th instar larva	14.220 ± 0.531a	9.524 ± 0.336ab	11.120 ± 0.728ab	8.122 ± 0.504c	26.107	3	< 0.001
6龄幼虫 6^th instar larva	21.177 ± 0.654a	14.276 ± 0.626ab	13.783 ± 0.729ab	10.560 ± 0.531c	40.018	3	< 0.001
7龄幼虫 7^th instar larva	22.300 ± 1.944a	19.536 ± 0.825ab	17.300 ± 1.093bc	14.850 ± 1.017c	6.648	3	0.001
8龄幼虫 8^th instar larva				18.433 ± 1.323
注：同一行数据不同小写字母表示取食不同榕树的榕透翅毒蛾幼虫体长的差异显著（P < 0.05）。Note: Means in the same row followed by different lowercase letters indicated significant differences in larval body length of P. nuda at larval and pupal stages fed on different banyan species (P < 0.05).

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表 3 不同榕树饲养的榕透翅毒蛾幼虫体质量

Table 3. Mass of P. nuda at larval stages fed on different banyan species

发育阶段 Development stage	体质量 Body mass/g				统计分析 Statistical analysis
发育阶段 Development stage	黄金榕 F. microcarpa	高山榕 F. altissima	小叶榕 F. concinna	垂叶榕 F. benjamina	F	df	P
2龄幼虫 2^nd instar larva	0.001 5 ± 0.000 1a	0.001 1 ± 0.000 1b	0.001 0 ± 0.000 1bc	0.000 8 ± 0.000 10c	16.521	3	< 0.001
3龄幼虫 3^rd instar larva	0.005 1 ± 0.000 2a	0.003 2 ± 0.000 2b	0.002 6 ± 0.000 3bc	0.002 2 ± 0.000 2c	33.36	3	< 0.001
4龄幼虫 4^th instar larva	0.016 9 ± 0.001 0a	0.009 1 ± 0.000 6b	0.008 9 ± 0.001 9b	0.005 4 ± 0.000 5c	21.877	3	< 0.001
5龄幼虫 5^th instar larva	0.059 9 ± 0.004 8a	0.023 3 ± 0.001 7b	0.025 4 ± 0.005 2b	0.012 2 ± 0.001 7b	27.684	3	< 0.001
6龄幼虫 6^th instar larva	0.187 6 ± 0.141 9a	0.086 6 ± 0.007 9b	0.064 0 ± 0.013 1bc	0.031 2 ± 0.005 4c	30.315	3	< 0.001
7龄幼虫 7^th instar larva	0.216 9 ± 0.021 9a	0.174 3 ± 0.016 0 ab	0.122 4 ± 0.015 5bc	0.087 8 ± 0.015 3c	8.198	3	< 0.001
8龄幼虫 8^th instar larva				0.139 9 ± 0.022 6
注：同一行数据不同小写字母表示取食不同榕树的榕透翅毒蛾幼虫体质量的差异显著（P < 0.05）。Note: Means in the same row followed by different lowercase letters indicated significant differences in larval body mass of P. nuda at larval and pupal stages fed on different banyan species (P < 0.05).

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表 4 不同榕树饲养的榕透翅毒蛾幼虫排泄物质量

Table 4. Fecal mass of P. nuda at larval stages fed on different banyan species

发育阶段 Development stage	粪质量 Fecal mass/g				统计分析 Statistical analysis
发育阶段 Development stage	黄金榕 F. microcarpa	高山榕 F. altissima	小叶榕 F. concinna	垂叶榕 F. benjamina	F	df	P
2龄幼虫 2^nd instar larva	0.006 9 ± 0.000 4a	0.006 9 ± 0.000 6a	0.006 3 ± 0.001 1a	0.003 2 ± 0.000 2b	7.268	3	< 0.001
3龄幼虫 3^rd instar larva	0.030 0 ± 0.002 5a	0.016 3 ± 0.001 1b	0.020 3 ± 0.005 2b	0.007 0 ± 0.000 7c	12.374	3	< 0.001
4龄幼虫 4^th instar larva	0.124 9 ± 0.014 2a	0.062 2 ± 0.005 9b	0.069 6 ± 0.017 5b	0.020 9 ± 0.003 7c	10.628	3	< 0.001
5龄幼虫 5^th instar larva	0.563 8 ± 0.055 6a	0.264 2 ± 0.033 4b	0.238 0 ± 0.073 4b	0.062 0 ± 0.008 9c	15.075	3	< 0.001
6龄幼虫 6^th instar larva	2.231 3 ± 0.237 4a	1.418 0 ± 0.191 3a	1.784 4 ± 0.601 8a	0.237 1 ± 0.055 4b	7.335	3	< 0.001
7龄幼虫 7^th instar larva	4.139 3 ± 0.368 5a	2.922 6 ± 0.277 3a	3.781 4 ± 0.587 9a	0.994 7 ± 0.276 8b	11.104	3	< 0.001
8龄幼虫 8^th instar larva				1.918 1 ± 0.369 8
幼虫期 Larval stage	3.504 7 ± 0.267 1b	3.530 4 ± 0.219 7b	5.288 9 ± 0.457 1a	2.668 9 ± 0.263 4b	8.401	3	< 0.001
注：同一行数据不同小写字母表示取食不同榕树的榕透翅毒蛾幼虫排泄物质量的差异显著（P < 0.05）。Note: Means in the same row followed by different lowercase letters indicated significant differences in larval fecal mass of P. nuda at larval and pupal stages fed on different banyan species (P < 0.05).

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表 5 不同榕树饲养的榕透翅毒蛾幼虫头壳宽度

Table 5. Head capsule width of P. nuda at larval stages fed on different banyan species

发育阶段 Development stage	头壳宽 head capsule width/mm				统计分析 Statistical analysis
发育阶段 Development stage	黄金榕 F. microcarpa	高山榕 F. altissima	小叶榕 F. concinna	垂叶榕 F. benjamina	F	df	P
1龄幼虫 1^st instar larva	0.463 3 ± 0.002 4c	0.472 9 ± 0.002 1a	0.464 5 ± 0.002 7bc	0.470 8 ± 0.001 9ab	4.581	3	0.006
2龄幼虫 2^nd instar larva	0.682 4 ± 0.005 9a	0.661 5 ± 0.004 5ab	0.656 3 ± 0.025 9ab	0.647 0 ± 0.129 2b	3.236	3	0.028
3龄幼虫 3^rd instar larva	1.105 5 ± 0.0173a	0.925 4 ± 0.019 0c	1.019 5 ± 0.062 6b	0.889 0 ± 0.023 0c	14.315	3	< 0.001
4龄幼虫 4^th instar larva	1.674 7 ± 0.033 0a	1.423 4 ± 0.027 7b	1.443 6 ± 0.099 0b	1.245 4 ± 0.070 8c	13.987	3	< 0.001
5龄幼虫 5^th instar larva	2.463 6 ± 0.055 5a	2.053 6 ± 0.045 3b	1.972 8 ± 0.119 3b	1.583 4 ± 0.082 0c	23.507	3	< 0.001
6龄幼虫 6^th instar larva	2.797 5 ± 0.1181a	2.656 4 ± 0.047 9ab	2.432 9 ± 0.113 3bc	2.232 2 ± 0.122 8c	5.804	3	0.003
7龄幼虫 7^th instar larva	3.270 7 ± 0.059 0a	2.999 5 ± 0.037 7b	2.855 7 ± 0.049 7bc	2.739 3 ± 0.132 7c	9.498	3	< 0.001
注：同一行数据不同小写字母表示取食不同榕树的榕透翅毒蛾幼虫头壳宽度的差异显著（P < 0.05）。Note: Means in the same row followed by different lowercase letters indicated significant differences in head capsule width of P. nuda fed on different banyan species (P < 0.05).

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表 6 不同榕树饲养的榕透翅毒蛾幼虫头壳宽度回归方程

Table 6. Regression equation and coefficient of determination of head capsule width of P. nuda at larval stages fed on different banyan species

寄主 Host	拟合模型 Fitted model	回归方程 Regression equation	R²
黄金榕 F. microcarpa	六次	y = 0.004x⁶ − 0.091 8x⁵ + 0.819 7x⁴ − 3.645 5x³ + 8.536 9x² − 9.574 8x + 4.414 9	0.969 7
高山榕 F. altissima	五次	y = 0.000 8x⁵ − 0.021 2x⁴ + 0.181 6x³ − 0.593 4x² + 0.987 4x − 0.082 2	0.970 6
小叶榕 F. concinna	六次	y = 0.001 1x⁶ − 0.026 7x⁵ + 0.249 3x⁴ − 1.170 8x³ + 2.940 6x² − 3.417 7x + 1.888 6	0.907 6
垂叶榕 F. benjamina	六次	y = 0.000 3x⁶ − 0.009 7x⁵ + 0.109 2x⁴ − 0.590 3x³ + 1.643 5x² − 1.986 1x + 1.304 7	0.936 6
注：x. 龄期；y. 头壳宽度。Notes: x, instar; y, head capsule width.

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表 7 不同榕树饲养的榕透翅毒蛾蛹的质量

Table 7. Pupal mass of P. nuda at larval stages fed on different banyan species

性别 Sex	蛹质量 Pupal mass/g				统计分析 Statistical analysis
性别 Sex	黄金榕 F. microcarpa	高山榕 F. altissima	小叶榕 F. concinna	垂叶榕 F. benjamina	F	df	P
雌虫 Female	0.254 0 ± 0.015 9a	0.230 9 ± 0.012 1ab	0.207 3 ± 0.008 1b	0.232 1 ± 0.018 6ab	2.489	3	0.076
雄虫 Male	0.157 1 ± 0.005 4a	0.138 4 ± 0.005 8bc	0.130 6 ± 0.003 5c	0.152 2 ± 0.003 3ab	5.36	3	0.004
总体 Total	0.219 4 ± 0.016 4a	0.184 7 ± 0.012 0ab	0.161 8 ± 0.007 8b	0.195 8 ± 0.016 0ab	4.262	3	0.008
注：同一行数据不同小写字母表示取食不同榕树的榕透翅毒蛾蛹质量的差异显著性（P < 0.05）。Note: means in the same row followed by different lowercase letters indicated significant differences in pupal mass of P. nuda fed on different banyan species (P < 0.05).

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表 8 不同榕树饲养的榕透翅毒蛾成虫寿命、预卵期和产卵量

Table 8. Adult longevity, pre-ovulation period and egg production of P. nuda fed on different banyan species

寄主 Host	雌虫寿命 Female adult longevity/d	雄虫寿命 Male adult longevity/d	预卵期 pre-ovulation period/d	产卵量 Egg production
黄金榕 F. microcarpa	11.13 ± 0.99a	8.83 ± 1.05ab	3.87 ± 0.46a	182.13 ± 18.22ab
高山榕 F. altissima	9.54 ± 0.42a	10.07 ± 0.41a	3.21 ± 0.47a	226.14 ± 30.05a
小叶榕 F. concinna	9.71 ± 0.68a	7.20 ± 0.58b	3.80 ± 1.02a	107.43 ± 32.94bc
垂叶榕 F. benjamina	9.60 ± 0.60a	8.25 ± 0.63ab	4.50 ± 0.50a	85.00 ± 40.52c
统计分析 Statistical analysis	F = 0.972, P = 0.416	F = 3.823, P = 0.022	F = 0.664, P = 0.580	F = 4.326, P = 0.010
注：同一列数据不同小写字母表示取食不同榕树的榕透翅毒蛾成虫寿命、预卵期和产卵量的差异显著（P < 0.05）。Note: Means in the same column followed by different lowercase letters indicated significant differences in adult longevity, pre-ovulation period and egg production of P. nuda fed on different banyan species (P < 0.05).

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表 9 不同榕树饲养的榕透翅毒蛾第二代卵历期和孵化率

Table 9. Incubation period and hatchability of the second generation of P. nuda fed on different banyan species after oviposition

寄主 Host	卵历期 Incubation period/d	孵化率 Hatchability/%
黄金榕 F. microcarpa	8.40 ± 0.245a	60.358 0 ± 5.982a
高山榕 F. altissima	9.17 ± 0.477a	59.643 3 ± 8.104a
小叶榕 F. concinna	8.33 ± 0.333a	49.786 7 ± 16.300a
垂叶榕 F. benjamina	8.80 ± 0.374a	51.605 0 ± 15.942a
统计分析 Statistical analysis	F = 0.950, P = 0.442	F = 0.442, P = 0.872
注：同一列数据不同小写字母表示取食不同榕树的榕透翅毒蛾第二代卵历期和孵化率的差异显著（P < 0.05）。Note: Means in the same column followed by different lowercase letters indicated significant differences in incubation period and hatchability of the second generation of P. nuda fed on different banyan species (P < 0.05).

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表 10 取食经历对榕透翅毒蛾5龄幼虫不同寄主120 min取食量的影响

Table 10. Effects of feeding experience on food intake of 5th instar larvae of P. nuda at 120 min on different hosts

5龄幼虫取食寄主 5th instar larval feeding host	取食量 Food intake/g
5龄幼虫取食寄主 5th instar larval feeding host	1 ~ 4龄取食黄金榕幼虫 1st to 4th instar larva fed on F. microcarpa	1 ~ 4龄取食高山榕幼虫 1st to 4th instar larva fed on F. altissima	1 ~ 4龄取食小叶榕幼虫 1st to 4th instar larva fed on F. concinna	1 ~ 4龄取食垂叶榕幼虫 1st to 4th instar larva fed on F. benjamina	总体 Total
黄金榕 F. microcarpa	0.004 2 ± 0.001 9b	0.005 1 ± 0.002 9a	0.002 7 ± 0.000 7a	0.011 8 ± 0.005 6a	0.005 9 ± 0.001 7a
高山榕 F. altissima	0.019 6 ± 0.001 5a	0.006 4 ± 0.002 2a	0.002 3 ± 0.001 2a	0.003 4 ± 0.001 0a	0.008 4 ± 0.001 9a
小叶榕 F. concinna	0.004 1 ± 0.002 1b	0.005 1 ± 0.001 7a	0.008 2 ± 0.002 8a	0.010 9 ± 0.000 2a	0.006 5 ± 0.001 1a
垂叶榕 F. benjamina	0.009 6 ± 0.005 3b	0.000 9 ± 0.000 5a	0.003 7 ± 0.002 6a	0.008 5 ± 0.000 8a	0.006 0 ± 0.001 3a
P	< 0.001	0.422	0.170	0.368	0.629
注：同一列数据不同小写字母表示榕透翅毒蛾幼虫120 min相对摄入指数的差异显著（P < 0.05）。Note: Means in the same column followed by different lowercase letters indicated significant differences in 120 min relative ingestion index of P. nuda fed on different banyan species (P < 0.05).

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表 11 取食经历对榕透翅毒蛾5龄幼虫120 min相对摄入指数的影响

Table 11. Effects of feeding experience on relative ingestion index of 5th instar larvae of P. nuda at 120 min on different banyan species

5龄幼虫取食寄主 5th instar larval feeding host	相对摄入指数 Relative ingestion index
5龄幼虫取食寄主 5th instar larval feeding host	1 ~ 4龄取食黄金榕幼虫 1st to 4th instar larva fed on F. microcarpa	1 ~ 4龄取食高山榕幼虫 1st to 4th instar larva fed on F. altissima	1 ~ 4龄取食小叶榕幼虫 1st to 4th instar larva fed on F. concinna	1 ~ 4龄取食垂叶榕幼虫 1st to 4th instar larva fed on F. benjamina	总体 Total
黄金榕 F. microcarpa	0.103 8 ± 0.019 2b	0.094 0 ± 0.040 3a	0.109 8 ± 0.022 2a	0.180 7 ± 0.123 9a	0.122 1 ± 0.031 1a
高山榕 F. altissima	0.169 8 ± 0.015 0a	0.123 3 ± 0.022 5a	0.107 5 ± 0.038 3a	0.084 0 ± 0.017 6a	0.125 3 ± 0.014 3a
小叶榕 F. concinna	0.065 8 ± 0.014 4b	0.161 9 ± 0.029 5a	0.103 0 ± 0.034 6a	0.059 4 ± 0.016 4a	0.101 7 ± 0.015 8a
垂叶榕 F. benjamina	0.101 4 ± 0.012 5b	0.090 5 ± 0.038 2a	0.126 0 ± 0.033 7a	0.055 6 ± 0.009 3a	0.093 6 ± 0.013 0a
P	0.002	0.386	0.968	0.574	0.614
注：同一列数据不同小写字母表示榕透翅毒蛾幼虫120 min取食量的差异显著（P < 0.05）。Note: Means in the same column followed by different lowercase letters indicated significant differences in 120 min food intake of P. nuda fed on different banyan species (P < 0.05).

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表 12 取食经历对榕透翅毒蛾5龄幼虫120 min取食面积的影响

Table 12. Effects of feeding experience on feeding area of 5th instar larvae of P. nuda at 120 min on different banyan species

5龄幼虫取食寄主 5th instar larval feeding host	取食面积 Feeding are/cm²
5龄幼虫取食寄主 5th instar larval feeding host	1~4龄取食黄金榕幼虫 1st to 4th instar larva fed on F. microcarpa	1~4龄取食高山榕幼虫 1st to 4th instar larva fed on F. altissima	1~4龄取食小叶榕幼虫 1st to 4th instar larva fed on F. concinna	1~4龄取食垂叶榕幼虫 1st to 4th instar larva fed on F. benjamina	总体 Total
黄金榕 F. microcarpa	0.470 8 ± 0.057 3b	0.237 9 ± 0.096 0a	0.182 1 ± 0.065 5a	0.045 4 ± 0.004 1a	0.234 1 ± 0.049 1a
高山榕 F. altissima	0.949 3 ± 0.092 0a	0.181 1 ± 0.046 9a	0.133 9 ± 0.027 7a	0.032 1 ± 0.004 3a	0.356 5 ± 0.094 0a
小叶榕 F. concinna	0.407 9 ± 0.111 4b	0.132 8 ± 0.041 0a	0.176 4 ± 0.056 8a	0.073 6 ± 0.026 9a	0.213 5 ± 0.047 4a
垂叶榕 F. benjamina	0.926 1 ± 0.143 4a	0.195 7 ± 0.066 0a	0.196 9 ± 0.095 3a	0.067 5 ± 0.020 6a	0.356 6 ± 0.102 3a
P	0.003	0.683	0.891	0.347	0.397
注：同一列数据不同小写字母表示榕透翅毒蛾120 min取食面积的差异显著（P < 0.05）。Note: Means in the same column followed by different lowercase letters indicated significant differences in 120 min feeding area between of P. nuda fed on banyan species (P < 0.05).

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