OBSERVATIONS ON THE PHENOLOGY OF COMMON FLORIDA GRASSHOPPERS (ORTHOPTERA: ACRIDIDAE)

Grasshopper occurrence and abundance in several natural and anthropogenic habitats found in north Florida were surveyed for a one-year period to determine periodicity of adult and nymphal stages. Thirty species were sufficiently abundant to assess at least some elements of their phenology. A high pr...

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Bibliographic Details
Published in:The Florida entomologist 2002-03, Vol.85 (1), p.227-234
Main Authors: Squitier, Jason M, Capinera, John L
Format: Article
Language:English
Subjects:
Acrididae
Adult insects
adults
Diapause
Eggs
Grasshoppers
Habitat conservation
life cycle
life cycle (organisms)
Nymphs
overwintering
Phenology
population density
Research Papers
Roadside
seasonal abundance
seasonal variation
Seasons
species differences
voltinism
Wildlife habitats
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Summary:Grasshopper occurrence and abundance in several natural and anthropogenic habitats found in north Florida were surveyed for a one-year period to determine periodicity of adult and nymphal stages. Thirty species were sufficiently abundant to assess at least some elements of their phenology. A high proportion (36%) of the species overwintered as adults, and 27% of the species overwintered as nymphs. Three species were found to overwinter in both the adult and nymphal stages. The period of peak nymphal abundance varied among species and was found to include spring, summer, autumn, and winter. The method of data collection used in this study was inadequate to ascertain definitively the number of generations, but six species are suspected of being multivoltine in Florida.
ISSN:0015-4040
1938-5102
DOI:10.1653/0015-4040(2002)085[0227:OOTPOC]2.0.CO;2