References:
Capinera J. 2008. Grasshoppers, Katydids and Crickets (Orthoptera). Encyclopedia of Entomology, USA.
Greenfield M & Shelly T. 1985. Alternative Mating Strategies in a Desert Grasshopper: Evidence of Density Dependence. Animal Behaviour 33, 1211-1222.
Gullan PJ & Cranston PS. 2005. The Insects: An outline of Entomology. Blackwell, Malden.
Gwynne D and DeSutter L. 1996. Ensifera. Crickets, katydids and weta. http://tolweb.org/Ensifera/13315/1996.01.01. Accessed 16th September 2012.
Gwynne D & Morris G. 2002. Tettigoniidae – Katydids, Long-horned Grasshopper & Bush Crickets. http://tolweb.org/Tettigoniidae. Accessed on 6th September 2012.
Hadley D. 2012. How do Grasshopper Produce Sound? http://insects.about.com/od/grasshoppersandcrickets/f/grasshopsounds.html. Accessed 15th September 2012.
Ingrisch S & Rentz D. 2008. Orthoptera. Encyclopedia of Insects 2, 732-734.
Kriegbaum H & Helversen O. 2010. Influence of Male Songs on Female Mating Behaviour in the Chorthippus biguttulus. Ethology 91, 248-254.
Magnhagen C. 1991. Predation Risk as a Cost of Reproduction. Trends Ecology 6, 183-186.
Moller AP. 1998. Sperm Competition and Sexual Selection. Academic Press, London.
Net Industries. 2012. Crickets Grasshoppers and Katydids: Orthoptera - Behavior And Reproduction. http://animals.jrank.org/pages/2369/Grasshoppers-Crickets-Katydids-Orthoptera-BEHAVIOR-REPRODUCTION.html. Accessed on 5th September 2012.
Pando M, Lopez-Leon M, Hewitt G & Camacho J. 1995. Female Fitness is Increased by Frequent Mating in Grasshoppers. Heredity 74, 654-660.
Reinhart K & Kohler G. 1998. Costs and Benefits of Mating in the grasshopper Chorthippus parallelus. Journal of Insect Behaviour 12, 283-293.
The University of Arizona. 1997. Grasshopper Information. http://insected.arizona.edu/ghopperinfo.htm. Accessed on 5th September 2012.
The University of Minnesota. 2012. Tegmina. http://www.entomology.umn.edu/museum/projects/Interactive_Keys/Intro_tutorial/GLOSSARY/Tegmina.html. Accessed 15th September 2012.
Capinera J. 2008. Grasshoppers, Katydids and Crickets (Orthoptera). Encyclopedia of Entomology, USA.
Greenfield M & Shelly T. 1985. Alternative Mating Strategies in a Desert Grasshopper: Evidence of Density Dependence. Animal Behaviour 33, 1211-1222.
Gullan PJ & Cranston PS. 2005. The Insects: An outline of Entomology. Blackwell, Malden.
Gwynne D and DeSutter L. 1996. Ensifera. Crickets, katydids and weta. http://tolweb.org/Ensifera/13315/1996.01.01. Accessed 16th September 2012.
Gwynne D & Morris G. 2002. Tettigoniidae – Katydids, Long-horned Grasshopper & Bush Crickets. http://tolweb.org/Tettigoniidae. Accessed on 6th September 2012.
Hadley D. 2012. How do Grasshopper Produce Sound? http://insects.about.com/od/grasshoppersandcrickets/f/grasshopsounds.html. Accessed 15th September 2012.
Ingrisch S & Rentz D. 2008. Orthoptera. Encyclopedia of Insects 2, 732-734.
Kriegbaum H & Helversen O. 2010. Influence of Male Songs on Female Mating Behaviour in the Chorthippus biguttulus. Ethology 91, 248-254.
Magnhagen C. 1991. Predation Risk as a Cost of Reproduction. Trends Ecology 6, 183-186.
Moller AP. 1998. Sperm Competition and Sexual Selection. Academic Press, London.
Net Industries. 2012. Crickets Grasshoppers and Katydids: Orthoptera - Behavior And Reproduction. http://animals.jrank.org/pages/2369/Grasshoppers-Crickets-Katydids-Orthoptera-BEHAVIOR-REPRODUCTION.html. Accessed on 5th September 2012.
Pando M, Lopez-Leon M, Hewitt G & Camacho J. 1995. Female Fitness is Increased by Frequent Mating in Grasshoppers. Heredity 74, 654-660.
Reinhart K & Kohler G. 1998. Costs and Benefits of Mating in the grasshopper Chorthippus parallelus. Journal of Insect Behaviour 12, 283-293.
The University of Arizona. 1997. Grasshopper Information. http://insected.arizona.edu/ghopperinfo.htm. Accessed on 5th September 2012.
The University of Minnesota. 2012. Tegmina. http://www.entomology.umn.edu/museum/projects/Interactive_Keys/Intro_tutorial/GLOSSARY/Tegmina.html. Accessed 15th September 2012.