实验室条件下饲养的秋粘虫,Spodoptera frugiperda (J.E. Smith)(鳞翅目:夜蛾科)的基本发育特征

IF 1.6 Q2 ENTOMOLOGY Psyche: A Journal of Entomology Pub Date : 2023-04-29 DOI:10.1155/2023/6917316
D. Marri, Samuel Adjei Mensah, D. A. Kotey, J. Abraham, M. Billah, M. Osae
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引用次数: 0

摘要

利用野外采集的幼虫建立的群落,研究了外来入侵害虫秋粘虫(FAW)、草地贪夜蛾(J.E.Smith)的生命周期。用卵、初生幼虫和新出现的成虫对FAW的基本生物学特性进行了研究。成年雌性产卵1184枚,平均469枚 ± 每只雌性22个卵子。卵的孵化期和孵化率为2-3 天和80-87%。从一龄到六龄的平均幼虫长度分别为4.63、6.60、9.76、15.86、25.13和27.81 mm。幼虫的平均重量分别为0.003、0.019、0.045、0.050、0.060和0.067 g、 分别为6龄。六龄幼虫头囊的平均宽度为2.76 整个六龄期的幼虫总持续时间为16-18 天,而平均蛹重为0.25 ± 0.001 g和0.35 ± 0.011 g分别代表雄性和雌性。平均蛹长14.3 ± 0.16 男性为mm,17.2 ± 0.14 雌性为毫米。瞳孔持续时间从8到14 天,平均10.35 ± 0.26 天,蛹羽化率为60-94%,平均为80.25 ± 1.28%。男性的生命周期为33-44 天,雌性持续36-49天 天。成虫交配发生在晚上8点到11点之间,高峰发生在晚上9点。这项研究提供了有关FAW生物学的基线信息。所提供的数据不仅是一汽未来研究的重要参考点,而且有助于一汽的管理决策。
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Basic Developmental Characteristics of the Fall Armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), Reared under Laboratory Conditions
The life cycle of the invasive alien insect pest, fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith), was studied using a colony established from field-collected larvae. Eggs, neonate larvae, and newly emerged adult moths were used in experiments to investigate the basic biology of the FAW. Adult females laid up to 1184 eggs with a mean of 469 ± 22 eggs per female. The incubation period of eggs and percentage hatchability were 2-3 days and 80–87%, respectively. The mean larval lengths from the first to the sixth instar were 4.63, 6.60, 9.76, 15.86, 25.13, and 27.81 mm, respectively. The mean larval weights were 0.003, 0.019, 0.045, 0.050, 0.060, and 0.067 g, respectively, for the six instars. The mean width of the head capsule of the sixth instar larva was 2.76 mm. The total larval duration throughout the six instar stages was 16–18 days, while the mean pupal weight was 0.25 ± 0.001 g and 0.35 ± 0.011 g for males and females, respectively. The mean pupal length was 14.3 ± 0.16 mm for males and 17.2 ± 0.14 mm for females. Pupal duration ranged from 8 to 14 days, with a mean of 10.35 ± 0.26 days, while the pupal emergence rate ranged from 60 to 94%, with a mean of 80.25 ± 1.28%. The life cycle of males lasted 33–44 days and that of females lasted 36–49 days under laboratory conditions. Adult copulation occurred between 8 and 11 pm, with the peak occurring at 9 pm. This study provides baseline information about the biology of the FAW. Apart from being an important reference point for future research on the FAW, the data provided would aid FAW management decision-making.
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来源期刊
CiteScore
1.80
自引率
0.00%
发文量
8
审稿时长
15 weeks
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