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GRASSHOPPERS (ACRIDIDAE) OF COLORADO

IDENTIFICATION, BIOLOGY, AND MANAGEMENT

J. L. CAPINERA AND T. S. SECHRIST

COLORADO STATE UNIVERSITY EXPERIMENT STATION
FORT COLLINS

BULLETIN NO. 584S

Modified for electronic publication by
SPENCER SCHELL
1999

CONTENTS

PREFACE

ACKNOWLEDGEMENTS

GRASSHOPPER IDENTIFICATION

KEY TO STAGES OF GRASSHOPPER DEVELOPMENT

SEPARATION OF ADULT GRASSHOPPERS (ACRIDIDAE) FROM RELATED INSECT FAMILIES FOUND IN COLORADO

KEY TO THE SUBFAMILIES OF ACRIDIDAE

SUBFAMILY CYRTACANTHACRIDINAE - KEY TO SPECIES

SUBFAMILY CATANTOPINAE {MELANOPLINAE} - KEY TO SPECIES

{GENUS MELANOPLUS - KEY TO SPECIES}

SUBFAMILY GOMPHOCERINAE - KEY TO SPECIES

SUBFAMILY ROMALEINAE - KEY TO SPECIES

SUBFAMILY OEDIPODINAE - KEY TO SPECIES

{GENUS TRIMEROTROPIS - KEY TO SPECIES}

{GRASSHOPPER FIGURES}

GRASSHOPPER BIOLOGY

GRASSHOPPER DEVELOPMENT

GRASSHOPPER BEHAVIOR

POPULATION DYNAMICS

BIOLOGY OF COMMON COLORADO GRASSHOPPERS

DISTRIBUTION OF COLORADO GRASSHOPPERS

MANAGEMENT OF GRASSHOPPERS

GLOSSARY

LIST OF GRASSHOPPER NAMES

LIST OF PLANT NAMES

REFERENCES CITED