What’s Hot HL Issue 13


Fireblight on crabapple. Photo by: William Jacobi, Colorado State University, Bugwood.org.

American dog tick on a blade of grass. Photo by: Jim Occi, BugPics, Bugwood.org.


American dog ticks. Photo by: Mat Pound, USDA Agricultural Research Service, Bugwood.org.


Comparison of deer ticks (left) and dog ticks (right) alongside a ruler. Photo by: Jim Occi, BugPics, Bugwood.org.

Female deer tick (black-legged tick) and a dime.


All stages of the deer (black-legged tick). Photos of only deer ticks found at http://www.ent.iastate.edu/imagegallery/ticks/deertick.html.


Septoria leafspot on rudbeckiae. Photo by Nancy Gregory, Plant Diagnostician, University of Delaware.


Septoria leafspot. Photo by Bob Mulrooney, Plant Pathologist, University of Delaware.

Disease Hotline Issue 13


Tree with symptoms of horsechestnut leaf blotch.

Horsechestnut leaf blotch. Photos of horsechestnut leaf blotch were found at the following website: http://www.ppdl.purdue.edu/PPDL/weeklypics/9-11-06.html.

This image of Phyllosticta leaf spot was taken from: http://ohioline.osu.edu/hyg-fact/3000/3044.html

This image of red thread was found at the following website: http://www.plantpath.wisc.edu/tddl/tddl/disimg/red/plant.jpg

Weed Hotline Issue 12


Yellow nutsedge. Photo by: Steve Dewey, Utah State University, Bugwood.org.

Flowering yellow nutsedge. Photo by: Joseph LaForest, University of Georgia, Bugwood.org.

Yellow nutsedge and nutlets. Photo by: Steve Dewey, Utah State University, Bugwood.org.