Bermuda stumbled to their fourth straight defeat at ICC World Twenty20 2012 qualifiers in Dubai earlier today.The Island's national cricket team lost by 72 runs against Americas rivals Canada in a lopsided affair at Dubai International Cricket Stadium.Led by a blistering knock of 83 from Ruvindu Gunasekara, Canada posted a formidable 175 for six in their allotted overs after being sent in to bat.Spinners Rodney Trott (2-14) and Dion Stovell (2-15) were the pick of Bermuda's bowling.In reply, Bermuda was dismissed for 103 in 19.2 overs with medium pacer Rizwan Cheema claiming 3-14 to lead Canada's bowling attack.Lionel Cann was Bermuda's top bat with 33 from 21 deliveries in a knock that contained six boundaries.Skipper David Hemp added 17, Terryn Fray 16 and Justin Pitcher 12 lower down the order.