Posts Tagged: ticks
They ticked me off. Ticks can do that to you. I never think about ticks during the holiday season, but a news release from the University of...
Two Dermacentor occidentalis (Pacific Coast ticks) "collected" during a Sonoma outing: male on the left and female on right, as identified by Lynn Kimsey, director of the Bohart Museum of Entomology. They are about the size of a sesame seed. (Photo by Kathy Keatley Garvey)
How much do you know about ticks? How much do you know about nematodes? What would you like to know? You'll be able to learn more about both, plus...
Nematologists Corwin Parker (at microscope) and Lauren Camp (back of him) participated in the 2016 UC Davis Museum Diversity Day. Camp, who received her doctorate in entomology in December from UC Davis, is organizing a display for the Bohart Museum of Entomology open house on Jan. 22. (Photo by Kathy Keatley Garvey)
Has anyone else been seeing more ticks this year than usual? I don’t know if it is the year for them or the different tick medicine we are using on our dog but this year has been bad. It was pretty standard for our dog to bring in maybe 3-4 ticks in a given season but this year we see that almost everyday. The tick that is most common in our area is the western-blacklegged tick (Ixodes pacificus), and yes, it does transmit Lyme disease. The UC IPM pest note on Lyme disease (http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7485.html) states that only 1 to 2% of adult ticks are carriers of the spirochete that causes Lyme disease. Oddly enough the rates go up to 2 to 15% in the tick nymphs. I thought it was strange that the younger ticks had a higher infection rate till I saw a study out of UC Berkeley that might explain it. Apparently the tick nymphs regularly feed on the common western fence lizard (Sceloporus occidentalis), which has something in its blood, which not only protects the lizard from infection, but also actually kills the spirochete in the young tick. So an infected tick bites a lizard and the tick is cleansed of its infection. How cool is that? Here is a link to the article:
http://www.berkeley.edu/news/berkeleyan/1998/0429/lizard.html . If you have some time, it is certainly worth reading!
The good news is that according to the UC IPM website, the ticks seem most active in spring to midsummer and that the nymphs are especially susceptible to the heat! So, if you are like me in longing for a break in the heat, you can take some comfort in the knowledge that at least the ticks are suffering right along with us.
Different stages of the western blacklegged tick
The heroic common western fence lizard!
Now here's something that will tick you off. You're taking photos of bumble bees and honey bees in tall grass near a wooded area, minding your...