| Line 1: |
Line 1: |
| − | http://www.ration<!-- -->alwiki.com/ | + | [[Image:CDC tick chart.jpg|right|thumb|250px|Several examples of tick found in the United States]] |
| | + | '''Ticks''' are a group of species of [[arachnid]] known for their parasitic life-style. They have four pairs of legs and are effectively balloons with mouth parts. They are known for transmitting [[Lyme disease]], usually by the [[sheep]] or [[castor bean]] tick, ''Ixodes ricinus''. <ref>http://www.cfsph.iastate.edu/Factsheets/pdfs/ixodes_ricinus.pdf</ref> |
| | + | |
| | + | Ticks have a complex life cycle involving both nymphal and pupal stages, which requires blood meals between each. There are two main subgroups of ticks, hard ticks and soft ticks. |
| | + | |
| | + | ==References== |
| | + | {{reflist|2}} |
| | + | |
| | + | [[Category:Invertebrates]] |