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Clouds of horn flies were wiped clean from cattle herds.

Increased horn fly numbers were reported by Hunt and Titus counties.

Poisons targeting horn flies, tape flies and roundworms can indirectly hurt beetles, so applying pesticides and dewormers in the early spring when beetles are less active can alleviate some of the impact.

There's no further use in tryin', For the horn flies from your grip, p.

They quickly get rid of manure, recycle nutrients and keep pests like horn flies in check because they are in direct competition for resources.