References

Evans, A. V. and Garrison, R. W. 2003. Grzimek’s animal life encyclopedia. The Gale Group Inc, Farmington Hills, Michigan. USA. 

Marshall, S. A. 2006. Insects: Their natural history and diversity. Firefly books, Buffalo, New York. USA.

O’Toole, C. 2002. Firefly encyclopedia of insects and spiders. Firefly books, Buffalo, New York. USA.

Resh, V. H. and Carde, R. T. (Eds.). 2003. Encyclopedia of insects. Elsevier Science, San Diego, California. USA.

Swan, L. A., and C.S. Papp. 1972. The common insects of North America. Harper and Row, New York City, New York. USA.

Online References

Bugguide 2010. http://bugguide.net/node/view/30684 >. Accessed 22 March 2012.

Grasshopper Information. http://insected.arizona.edu/ghopperinfo.htm>.  Accessed 20 March 2012.

Insects and their Allies. http://www.ento.csiro.au/education/insects/orthoptera.html >. Accessed 22 March 2012.

ITIS Report 2012. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=658066 >. Accessed 22 March 2012.