![](http://bp2.blogger.com/_zXKbTJ2-AMI/SGj9RhM6-TI/AAAAAAAAAck/hloUCuTaBIw/s320/fireblight+on+crabapple.jpg)
Fireblight on crabapple. Photo by: William Jacobi, Colorado State University, Bugwood.org.
![](http://bp1.blogger.com/_zXKbTJ2-AMI/SGj7BRfaRnI/AAAAAAAAAcE/b5130-o4S_I/s320/American+dog+tick+n+grass.jpg)
American dog tick on a blade of grass. Photo by: Jim Occi, BugPics, Bugwood.org.
![](http://bp2.blogger.com/_zXKbTJ2-AMI/SGj7BsJ64iI/AAAAAAAAAcM/4i9QHdzigWI/s320/American+dog+ticks.jpg)
American dog ticks. Photo by: Mat Pound, USDA Agricultural Research Service, Bugwood.org.
![](http://bp1.blogger.com/_zXKbTJ2-AMI/SGj7B4DspBI/AAAAAAAAAcU/5QPAfL3fCck/s320/tick+comparisons.jpg)
Comparison of deer ticks (left) and dog ticks (right) alongside a ruler. Photo by: Jim Occi, BugPics, Bugwood.org.
![](http://bp2.blogger.com/_zXKbTJ2-AMI/SGj7B0b940I/AAAAAAAAAcc/X93zB9oP-NQ/s320/female+deer+tick.gif)
Female deer tick (black-legged tick) and a dime.
![](http://bp2.blogger.com/_zXKbTJ2-AMI/SGj5sybJOcI/AAAAAAAAAb8/eJVBKms65WA/s320/deer+tick+stages.gif)
All stages of the deer (black-legged tick). Photos of only deer ticks found at http://www.ent.iastate.edu/imagegallery/ticks/deertick.html.
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Septoria leafspot on rudbeckiae. Photo by Nancy Gregory, Plant Diagnostician, University of Delaware.
![](http://bp3.blogger.com/_zXKbTJ2-AMI/SGj4t4yuoRI/AAAAAAAAAb0/HIbNKbdPyig/s320/Septoria+leafspot.jpg)
Septoria leafspot. Photo by Bob Mulrooney, Plant Pathologist, University of Delaware.