The Woodland Hills property and casualty insurance provider Unico American Corp. reported decreased loss-related expenses sent its underwriting income for a subsidiary increasing for the fourth quarter ending Dec. 31. Preliminary underwriting income for Crusader Insurance moved from $2.5 million in fourth quarter 2005 to $8.5 million last year. Underwriting incomes also jumped 88 percent to $15.9 million for the entire year. The company said the increases were the result of gains to losses and overestimated loss adjustment expenses.