Yahya related to me from Malik from Yahya ibn Said that a mancame to Umar ibn al-Khattab and asked him about some locusts he hadkilled while he was in ihram. Umar said to Kab, "Come, let's decide."Kab said, "A dirham," and Umar said to Kab, "You can find dirhams. Adate is better than a locust."
USC-MSA web (English) reference: Book 20, Hadith 245
Arabic reference: Book 20, Hadith 942