(43) General Behavior (Kitab Al-Adab)
كتاب الأدب
(175) Chapter: Regarding killing snakes
(175) باب فِي قَتْلِ الْحَيَّاتِ
Sunan Abi Dawud 5258 
The tradition mentioned above has also been transmitted by Ibn 'Ajilan through a different chain of narrators briefly. This version has:
He should give it a warning three times. If it appears to him after that, he should kill it, for it is a devil.
حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنِ ابْنِ عَجْلاَنَ، بِهَذَا الْحَدِيثِ مُخْتَصَرًا قَالَ ‏ "‏ فَلْيُؤْذِنْهُ ثَلاَثًا فَإِنْ بَدَا لَهُ بَعْدُ فَلْيَقْتُلْهُ فَإِنَّهُ شَيْطَانٌ ‏"‏ ‏.‏
Grade :  Hasan Sahih (Al-Albani) حسن صحيح  (الألباني)حكم :
Reference : Sunan Abi Dawud 5258
In-book reference : Book 43, Hadith 486
English translation : Book 42, Hadith 5238