8/23/19

مصدر كرات العفص

مصدر كرات العفص 
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تتكوّن كرات العفص نتيجة للدغات بعض أنواع الدبابير؛ بحيث تلسع الدبابير أوراق البلوط مما يُحدث تفاعلاً كيميائياً بين الورقة ومادة اللدغ، وينتج عن هذا التفاعل الكيميائي تجعّد محبب على سطح الأوراق الملسوعة تتحوّل فيما بعد إلى كرات مستديرة يُطلق عليها كرات العفص. 
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