茄黄斑螟 

中文English
茄黄斑螟Eggplant fruit and shoot borer (EFSB)
学名：Leucinodes orbonalisScientific name: Leucinodes orbonalis
鳞翅目，螟蛾科Lepidoptera, Crambidae

形态特征 Morphological Characteristics

中文English
成虫：白色小蛾，翅展约20mm，前翅具褐色波状斑纹。Adult: Small white moth, wingspan about 20mm, with wavy brown markings on forewings.
卵：乳白色，椭圆形，产在嫩梢、花蕾或果实表面。Eggs: Whitish, oval, laid on young shoots, flower buds, or fruit surface.
幼虫：初孵乳白色，老熟粉红色，体长15–18mm，具黑色小点。Larvae: Newly hatched larvae are whitish, mature larvae are pink, 15–18mm long, with black spots.
蛹：褐色，包裹在丝茧中，常位于叶片或落叶内。Pupa: Brown, enclosed in a silken cocoon, usually in leaves or fallen plant debris.

危害症状 Damage Symptoms

中文English
幼虫钻入嫩茎、花蕾、果实内取食，导致嫩梢枯萎、花蕾脱落、果实腐烂。Larvae bore into young shoots, flower buds, and fruits, causing shoot wilting, bud drop, and fruit rot.
果实表面可见虫孔和排泄物，内部变黑腐败，商品价值丧失。Fruits show entry holes and frass, with internal rotting, making them unmarketable.

发生规律 Occurrence

中文English
在热带、亚热带地区全年发生，世代重叠。Occurs year-round in tropical and subtropical regions, with overlapping generations.
每代发育周期约25–35天，一年可发生10代以上。Development cycle is 25–35 days per generation, with over 10 generations per year.
高温高湿环境下发生最严重。Infestation is most severe under hot and humid conditions.
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