Hadith 8:632
Abu Bakr narrated to us, he said: Isa ibn Yunus narrated to us, from Ubayd Allah ibn Abi Ziyad: He said: I saw Salim kill a mosquito in Makkah, so I spoke to him about it. He said: "Indeed, it has been commanded to kill the snake and the scorpion." He said: "They are enemies." He said: "So this is an enemy."
حدثنا أبو بكر قال حدثنا عيسى بن يونس عن عبيد الله بن أبي زياد قال رأيت سالما قتل بعوضة بمكة فقلت له فقال إنه قد أمر بقتل الحية والعقرب قال إنها عدو قال فهذه عدو