Study on morphological and biological characteristics of Oenopia kirbyi (Coleoptera: Coccinellidae) in Da Lat city, Lam Dong, Vietnam
Ladybirds are natural enemies of many agricultural crop pests, such as aphids, scale insects, mealybugs, whiteflies, and thrips. This paper focuses on the morphological and biological characteristics of Oenopia kirbyi (Coleoptera: Coccinellidae) in Da Lat city (Lam Dong province). Field-collec...
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| Những tác giả chính: | , , , , , |
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| Định dạng: | Journal article |
| Ngôn ngữ: | English |
| Được phát hành: |
Trường Đại học Đà Lạt
2022
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| Những chủ đề: | |
| Truy cập trực tuyến: | http://scholar.dlu.edu.vn/handle/123456789/1579 http://dx.doi.org/10.37569/DalatUniversity.11.1.738(2021) |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| Tóm tắt: | Ladybirds are natural enemies of many agricultural crop pests, such as aphids, scale insects,
mealybugs, whiteflies, and thrips. This paper focuses on the morphological and biological
characteristics of Oenopia kirbyi (Coleoptera: Coccinellidae) in Da Lat city (Lam Dong
province). Field-collected adults of Oenopia kirbyi were reared in plastic boxes under
laboratory conditions and fed on aphids. The egg phase lasted 4.45 ± 0.71 days; the four
larval stages lasted 2.63 ± 0.52 days, 1.91 ± 0.73 days, 1.70 ± 0.46 days, and 5.78 ± 0.95
days, respectively; and pupae lasted 7.02 ± 0.91 days. The total duration of the immature
stages was 23.49 days. The adult longevity of males and females was 67.13 ± 18.77 days and
82.83 ± 20.25 days, respectively. The fecundity was 414.00 ± 131.33 eggs on average. The
rate of hatched eggs, emerged adults, and the female/male ratio were 80.85%, 96.53%, and
1.78, respectively. These results provide basic data for rearing Oenopia kirbyi for use as a
biological control of crop pests. |
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