A commercially available sticky card was evaluated for use in adult fly distribution studies in large, closed poultry houses in Florida and Maryland. Results showed that house flies, Musca domestica L., preferred the interior parts of the houses, away from the walls. No vertical stratification was observed in Maryland, but flies in Florida stayed closer to the floor. In-house dispersal studies using fluorescent dust showed that flies would move ≈50 m, or one-third the length of the house, in <24 h. Specimens of Hydrotaea aenescens (Wiedemann) (formerly Ophyra aenescens) were recovered in both states.
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Hogsette et al. (1993) studied this question.
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