烟青虫
| 中文 | English |
|---|---|
| 烟青虫 | Tobacco budworm |
| 学名：Helicoverpa assulta | Scientific name: Helicoverpa assulta |
| 类型：鳞翅目夜蛾科害虫 | Type: Lepidopteran pest (Noctuidae) |
主要危害 / Main Damage
| 中文 | English |
|---|---|
| 主要危害茄科作物，如烟草、辣椒、番茄、茄子等，也危害秋葵、棉花。 | Mainly attacks solanaceous crops (tobacco, chili, tomato, eggplant), also damages okra and cotton. |
| 幼虫取食花蕾、嫩荚和果实，常钻蛀果实，造成落花落果。 | Larvae feed on buds, young pods, and fruits, often boring inside, causing flower/fruit drop. |
| 与棉铃虫 (H. armigera) 相似，但危害更偏向茄科作物。 | Similar to cotton bollworm (H. armigera), but more host-specific to solanaceous crops. |
发生规律 / Occurrence
| 中文 | English |
|---|---|
| 成虫夜间活动，趋光性强。 | Adults are nocturnal, strongly phototactic. |
| 雌蛾产卵量约 500–800 粒，常散产于花蕾、嫩叶上。 | Females lay ~500–800 eggs, usually scattered on buds and young leaves. |
| 幼虫 1–2 龄取食叶片，3 龄后钻蛀花蕾和果实。 | Young larvae feed on leaves; older instars bore into buds and fruits. |
| 在热带地区一年可繁殖多代。 | Multiple generations per year in tropical regions. |