Katydid Scientific Classification
Natural selection is a process that results in the adaptation of an organism to its environment by means of selectively producing changes in its genotype. Evolution is the change of a species (group of interbreeding organisms) over time and change in allele frequency. Species change over time and space. Modern day species living today differ from those that lived in the recent past, and populations in different geographic regions today differ. Survival of the fittest" is those best suited to the environment, are able to survive, and reproduce successfully, this theory was described by Charles Darwin. There are three conditions for natural selection to occur: variation for a trait,organisms exhibit individual variation in appearance and behavior, genes need to be heritable,traits are passed on from parent to offspring, and differential reproductive success,individuals with traits well suited for local resources will be able to reproduce more offspring.
Katydids and Bush Crickets: Reproductive Behavior and Evolution of the Tettigoniidae By Darryl T. Gwynne
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http://books.google.com/books?id=Q_svaiSYja8C&pg=PA18&lpg=PA18&dq=katydid+evolution&source=bl&ots=1sep3zQT9X&sig=cjj_kyIJLb1bUTiTswmB5rKh1Mw&hl=en&sa=X&ei=vhe6UZDkEufK0AHY3IDgCA&ved=0CHEQ6AEwCQ
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http://books.google.com/books?id=Q_svaiSYja8C&pg=PA18&lpg=PA18&dq=katydid+evolution&source=bl&ots=1sep3zQT9X&sig=cjj_kyIJLb1bUTiTswmB5rKh1Mw&hl=en&sa=X&ei=vhe6UZDkEufK0AHY3IDgCA&ved=0CHEQ6AEwCQ
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Family Tettigoniidae (Katydids)
Subfamily Pseudophyllinae (True Katydids)
Genus Pterophylla
Species camellifolia (Common True Katydid)
http://bugguide.net/node/view/7075
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Family Tettigoniidae (Katydids)
Subfamily Pseudophyllinae (True Katydids)
Genus Pterophylla
Species camellifolia (Common True Katydid)
http://bugguide.net/node/view/7075