Chinese Journal of Applied Entomology ›› 2020, Vol. 57 ›› Issue (4): 877-888.doi: 10.7679/j.issn.2095-1353.2020.090
• Research Articles • Previous Articles
Bo FENG1(), Qian-Shuang GUO2, Hao-Jie WANG3, Lie-Ming PAN3, Yong-Jun DU2,***()
Received:
2019-10-09
Accepted:
2020-01-16
Online:
2020-07-27
Published:
2020-09-02
Contact:
Yong-Jun DU
E-mail:fb@wmu.edu.cn;yongjundu@zju.edu.cn
Bo FENG, Qian-Shuang GUO, Hao-Jie WANG, Lie-Ming PAN, Yong-Jun DU. Accurate identification of Spodoptera frugiperda (Smith)[J]. Chinese Journal of Applied Entomology, 2020, 57(4): 877-888.
Fig. 1 The external morphological characteristics of Spodoptera frugiperda moths A. Dorsal view of male moth; Red dots indicating five white spots on the front edge of the forewing; Blue, orange, red, green and purple wide arrows indicating the orbicular spot, the reniform spot, the white spot at the apex, the dark spot following the white spot and the black spot around the margin of the forewing respectively; Red, blue, green, white, yellow and orange narrow arrows indicating the black spot on the base, the black spot in the middle line, the middle line, the white inverted Y spot, the outer line and the submarginal line of the forewing respectively; Orange, blue and green triangles showing tarsus of the foreleg, the middle leg and the hindleg respectively; Blue, green and red asterisks showing the collar plate, the shoulder plate and the stripe before the orbicular spot, respectively; B. Ventral view of male moth; Number 1-5 showing the visible 1st-5th abdominal segments respectively; C. Dorsal view of female moth, the figure legend refer to Fig. A; D. Ventral view of female moth; E. Dorsal view of head; Red arrows indicating the 2nd and 3rd labial palp respevtively; F. Lateral view of foreleg; Male and female forelegs in the left and right respectively; Letters a-d indicating the coxa, femur, tibia and tarsus respectively; Number 1-5 indicating the 1st-5th tarsal segments respectively; Red arrow indicating the tuft in the base of male coxa; G. Ventral view of tarsus, blue arrow indicating the terminal spine of the first tarsal segment. The horizontal lines in the drawing meaning the scales, A-D: 10 mm; E: 2 mm; F: 5 mm; G: 0.5 mm.
Fig. 2 Male moths of Spodoptera frugiperda A-J. Different male of S. frugiperda. The horizontal line in the drawing means the scale and the scale used for figures A-J.
Fig. 3 Female moths of Spodoptera frugiperda A-G. Different female of S. frugiperda. The horizontal line in the drawing means the scale and the scale used for figures A-G.
编号Number | 形态特征 Morphological characters | 变异类型 Variation of morphological characters |
---|---|---|
1 | 成虫体长Moth length | 15-20 mm |
2 | 前翅颜色Forewing color | 灰色到深褐色、灰绿色 Gray to dark brown or grayish green |
3 | 雄蛾领片颜色 Color of collar plates in male moth | 均一的灰白色、灰黄色、灰褐色或者前部黑色、后部灰色Uniform grayish white, grayish yellow or grayish brown or front black and back gray |
4 | 雄蛾肩板颜色 Color of shoulder plates in male moth | 灰白色、灰黄色、灰褐色 Grayish white, grayish yellow or grayish brown |
5 | 雄蛾前翅前缘5个浅色斑颜色 Color of 5 light spots on the front edge of male moth’s forewings | 白色、灰色、灰黄色 White, gray or grayish yellow |
6 | 雄蛾前翅中线内侧黑斑 Black spot before the midline of the male moth’s forewings | 有或无With or without |
7 | 雄蛾前翅前缘第1白斑 The first light spot on the front edge of male moth's forewings | 大且长、可向臀角方向延伸至翅中部,也可以不长 Big and long, extending to middle part of wing toward to anal angle or not long |
8 | 雄蛾前翅环形斑颜色 Color of orbicular spot of male moth’s forewings | 灰褐色、红褐色、橙黄色、灰黄色 Taupe, reddish brown, orange or grayish yellow |
9 | 雄蛾前翅环形斑内侧的暗色斜斑 The dark stripe before the orbicular spot of male moth’s forewings | 长或短 Long or short |
10 | 雄蛾前翅倒Y型白色剑形纹 The white inverted Y spot of male moth’s forewings | 长或短 Long or short |
11 | 雄蛾前翅肾形斑内测浅色斑颜色 The color of light spot before the reniform spot of male moth’s forewings | 白色、灰色、灰黄色 White, gray or grayish yellow |
12 | 雄蛾前翅顶角白斑 The white spot at the forewing apex of male moth | 大小、形状和长短在不同个体间差异较大 The size, shape and length different among different individuals |
编号Number | 形态特征 Morphological characters | 变异类型 Variation of morphological characters |
13 | 雄蛾前翅亚缘线内侧深色斑 Dark spots on the inner side of submarginal line of male moth’s forewings | 大小、颜色和形状在不同个体间差异较大 The size, shape and length different among different individuals |
14 | 雄蛾前翅中线 Midline of male moth’s forewings | 灰白色至灰褐色或无 Grayish white to grayish brown or inapparent |
15 | 雄蛾前翅外线 Outer line of male moth’s forewings | 白色、黑色、黑白双色或无 White, black, black and white or inapparent |
16 | 雄蛾前翅基部小黑斑 Black spots on the base of male moth’s forewings | 多个或无 Several or none |
17 | 雄蛾前翅缘线和亚缘线间的黑斑形状 Shape of black spots between the marginal line and the submarginal line of male moth’s forewings | 沙漏状、近方形、三角形等 Hourglass, subsquare, triangle, etc |
18 | 雌蛾前翅的肾形斑 The reniform spot of male moth’s forewings | 明显或不明显 Apparent or inapparent |
19 | 雌蛾前翅的云状纹 Cloud pattern of the female moth’s forewings | 明显或不明显 Apparent or inapparent |
20 | 前足第2跗节背面颜色 Color of the dorsal part of the second tarsal segment of the foreleg | 黑色或灰白色 Black or grayish white |
21 | 中足第1跗节背面基部颜色 Color of the dorsal base of the first tarsal segment of the midleg | 黑色或灰白色 Black or grayish white |
Table 1 Variation of morphological characteristics of Spodoptera frugiperda moth
编号Number | 形态特征 Morphological characters | 变异类型 Variation of morphological characters |
---|---|---|
1 | 成虫体长Moth length | 15-20 mm |
2 | 前翅颜色Forewing color | 灰色到深褐色、灰绿色 Gray to dark brown or grayish green |
3 | 雄蛾领片颜色 Color of collar plates in male moth | 均一的灰白色、灰黄色、灰褐色或者前部黑色、后部灰色Uniform grayish white, grayish yellow or grayish brown or front black and back gray |
4 | 雄蛾肩板颜色 Color of shoulder plates in male moth | 灰白色、灰黄色、灰褐色 Grayish white, grayish yellow or grayish brown |
5 | 雄蛾前翅前缘5个浅色斑颜色 Color of 5 light spots on the front edge of male moth’s forewings | 白色、灰色、灰黄色 White, gray or grayish yellow |
6 | 雄蛾前翅中线内侧黑斑 Black spot before the midline of the male moth’s forewings | 有或无With or without |
7 | 雄蛾前翅前缘第1白斑 The first light spot on the front edge of male moth's forewings | 大且长、可向臀角方向延伸至翅中部,也可以不长 Big and long, extending to middle part of wing toward to anal angle or not long |
8 | 雄蛾前翅环形斑颜色 Color of orbicular spot of male moth’s forewings | 灰褐色、红褐色、橙黄色、灰黄色 Taupe, reddish brown, orange or grayish yellow |
9 | 雄蛾前翅环形斑内侧的暗色斜斑 The dark stripe before the orbicular spot of male moth’s forewings | 长或短 Long or short |
10 | 雄蛾前翅倒Y型白色剑形纹 The white inverted Y spot of male moth’s forewings | 长或短 Long or short |
11 | 雄蛾前翅肾形斑内测浅色斑颜色 The color of light spot before the reniform spot of male moth’s forewings | 白色、灰色、灰黄色 White, gray or grayish yellow |
12 | 雄蛾前翅顶角白斑 The white spot at the forewing apex of male moth | 大小、形状和长短在不同个体间差异较大 The size, shape and length different among different individuals |
编号Number | 形态特征 Morphological characters | 变异类型 Variation of morphological characters |
13 | 雄蛾前翅亚缘线内侧深色斑 Dark spots on the inner side of submarginal line of male moth’s forewings | 大小、颜色和形状在不同个体间差异较大 The size, shape and length different among different individuals |
14 | 雄蛾前翅中线 Midline of male moth’s forewings | 灰白色至灰褐色或无 Grayish white to grayish brown or inapparent |
15 | 雄蛾前翅外线 Outer line of male moth’s forewings | 白色、黑色、黑白双色或无 White, black, black and white or inapparent |
16 | 雄蛾前翅基部小黑斑 Black spots on the base of male moth’s forewings | 多个或无 Several or none |
17 | 雄蛾前翅缘线和亚缘线间的黑斑形状 Shape of black spots between the marginal line and the submarginal line of male moth’s forewings | 沙漏状、近方形、三角形等 Hourglass, subsquare, triangle, etc |
18 | 雌蛾前翅的肾形斑 The reniform spot of male moth’s forewings | 明显或不明显 Apparent or inapparent |
19 | 雌蛾前翅的云状纹 Cloud pattern of the female moth’s forewings | 明显或不明显 Apparent or inapparent |
20 | 前足第2跗节背面颜色 Color of the dorsal part of the second tarsal segment of the foreleg | 黑色或灰白色 Black or grayish white |
21 | 中足第1跗节背面基部颜色 Color of the dorsal base of the first tarsal segment of the midleg | 黑色或灰白色 Black or grayish white |
Fig. 4 The phallobase of Spodoptera frugiperda A. Phallobase, 1: Uncus, 2: Tegumen, 3: Valvae, 4: Vinculum, 5: Juxta; B. Aedeagus; C. The dorsal view of the left valve, a: Sacculus; b: Costa, c: Ampulla, d: The long rod connecting sacculus and ampulla; D. Clavus (red arrow) and costal process (blue arrow); E. Juxta; The horizontal lines in the drawing meaning scales: A. 1 mm; B. 1 mm; C. 0.6 mm; D. 0.1 mm; E. 0.3 mm.
Fig. 5 The bursa copulatrix of Spodoptera frugiperda A. Bursa copulatrix; B. Signum; C. Ostium bursa and ductus bursae, a: Corpus bursae; b: Ductus bursae; c: Ostium bursa; d: Appendix bursae; e: Ductus seminalis; f. Signum. The horizontal lines in the drawing meaning scales, A: 1 mm; B. 0.4 mm: C. 1 mm.
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