An increase in derivatives income helped third-quarter earnings at FBL Financial Group Inc. during the third quarter.

FBL, West Des Moines, Iowa, is reporting $21 million in net income for the latest quarter on $232 million in revenue, up from $17 million in net income on $187 million in revenue for the third quarter of 2005.

Derivatives income increased to $29 million, from $5.9 million.

In other earnings news:

- National Western Life Insurance Company, Austin, Texas, is reporting $15 million in net income for the third quarter on $130 million in revenue, compared with $20 million in net income on $120 million in revenue for the third quarter of 2005.

- EHealth Inc., Mountain View, Calif., the parent of eHealthInsurance.com, is reporting $2.7 million in net income for the third quarter on $17 million in revenue, up from a $428,000 net loss on $11 million in revenue for the third quarter of 2005.

The number of individual and family plan applications increased to 78,200, from 59,000, and revenue per member increased to $48, from $43, eHealth says.