NDSU Extension - Williams County

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May 27, 2015

Tick Season is Underway

 Around this time of year it isn’t hard to walk in your lawns and find ticks, whether crawling up your leg or on our furry friends. In North Dakota there are three species of ticks that can be found: American dog tick, Rocky Mountain wood tick and winter tick, American dog tick is the most common. With the worry of Lymes disease being carried in ticks, here is North Dakota we are lucky that the black-legged tick, also known as deer tick, is not naturally occurring. The black-legged tick may be transferred over from neighboring states.

Ticks are blood-feeding external parasites that will piercing-sucking mouthparts. They will bite on to your skin and engorged with a blood meal. Once the tick is done feeding, it will drop off its host to mate, lay eggs or continue development. There are 4 distinct developmental stages of ticks: stage 1- inactive stage, egg. Followed by three active blood-feeding stages- larva, then nymph and then finally adult. Adults, both male and female, require several days of feeding before reproducing and then death.  There is generally one generation per year for American dog tick and winter tick, Rocky Mountain tick has 2-3 life cycles per year. It is believed that the Rocky Mountain tick overwinters as larvae or nymphs.

 The best way to prevent a tick infestations around your home is be keeping the lawns mowed, less than three inches, and removing high plant matter. As you move further away from woods/trees the tick numbers generally decrease. Tick require high moisture levels, and generally do not do well on spots with direct sunlight. Pesticides can be used to kill ticks as a last resort if a large number of ticks are present. The critical point of application is to target the early life stages, which is right around early June. Some pesticides that may be effective are the following: Carbaryl (Sevin) which is a common garden insecticide, Cyfluthrin (Tempo) tick control on turf, Deltamethrin (Suspend, DeltaGard G) tick control in residential areas, S-Fenvalerate (Zema Lawn Spray) tick control on turf, and Permethrin (PermaKill 4Week Tick Killer)  used against ticks on the lawn.

 Liquid formulations of pesticides will kill all adult stages throughout the summer, granular formulations are more effective of nymphs that are overwintering in the fall. When using pesticides of any sort, remember to practice personal protective measures. Wear long sleeve shirts, long pants, and closed toe shoes. You may want to use an insect repellent containing DEET on any exposed skin to repel ticks and other insects. If you do find a tick on you, to properly remove them use a fine forceps and grab the head as close to your skin as possible.  Apply steady upward force until tick is free, if part of the mouth is still in the wound you may treat that as a sliver. (Information from Dr. Janet Knodel and Jackie Buckley)

 

CERTIFIED SEED GROWERS

June 15th is the date for sending in applications for field inspections. If you are producing a certified field, these forms must be send in the State Seed Department in Fargo to avoid filling late fees. The application, correct fees, past due accounts and proof of seed eligibility must be sent in by the June 15th as well. If you have questions, you may call my office at 577-4595.

 

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