TABLE OF CONTENTS 



PAGE 



ACKNOWLEDGEMENTS i i 



LIST OF TABLES vi 



LIST OF FIGURES xu 



ABSTRACT XV 



INTRODUCTION 1 



LITERATURE REVIEW 3 



The House Fly 3 



History and Economic importance , ,. 3 



B icnomi cs 4 



Methods for Larval Control 7 



Methods for Adult Control in Poultry Houses 21 



Northern Fowl Mites 27 



Description, Biology, and Control 27 



Effects on the Host 32 



Medical Importance of Northern Fowl Mites 34 



Control of Northern Fowl Mites , 36 



METHODS AND MATERIALS *»3 



Laboratory Tr ial s 43 



Environmentally Controlled Rearing Conditions 43 



Colonization and Rearing of Flies...., 43 



Dissection and Mounting of Cephaioskeletons of 



Third- Instar Fly Larvae 47 



Sioassay of Poultry Manure 48 



Addition of a Liquid Insect Growth Regulator (IGR) 



to Larval Media of Flies 4° 



Laboratory Tests with Granular Baits 49 



Topical Application of Insecticides to House Fly Adults 50 



Laboratory Bioassay of Acaricides 5' 



Field Trials 52 



Rotovat ion 52 



Description of the. Tilling Site 54 



Monitoring Larval Fly Populations 54 



Poultry and Poultry Facilities used when Evaluating 



IGR's as Oral Larvicides 57 



Calculation of Hen-Day Production and Average Daily 



Feed Consumption 60 



Addition of IGR's to Poultry Feed..., 6 I 



i i i 



