Section 250.215  Barrier Mosquitocide Applications

a)         No licensed commercial applicator or commercial operator shall apply a barrier mosquitocide between October 16 and April 14 except as provided under subsection (i).

b)         No licensed commercial applicator or commercial operator shall apply a barrier mosquitocide without first receiving a certification issued at the direction of the Department after completion of a Department approved residential barrier mosquitocide training program.

c)         The residential barrier mosquitocide training program shall not be less than one hour in duration, and shall, at a minimum, include training in the following topics:

1)         mosquito control and pollinator protection in the residential environment;

2)         requirements for domestic inspections by licensed commercial applicators and commercial operators prior to application of barrier mosquitocides;

3)         identification of mosquitoes in areas to be treated with the barrier mosquitocide;

4)         distinguishing between species of mosquitoes;

5)         mosquito behavior, biology, and life cycle;

6)         pesticide-free source mosquito-reduction methods;

7)         pesticide drift and the protection of bystanders during pesticide application;

8)         pesticide label requirements;

9)         proper technique for application of barrier mosquitocides;

10)       protection of pollinators from barrier mosquitocides;

11)       mosquito-borne diseases;

12)       proper use of equipment for application of mosquitocides;

13)       use of personal protective equipment during application of barrier mosquitocides; and

14)       areas where barrier mosquitocides cannot be applied.  [415 ILCS 60/13.4(d)]

d)         Certification of barrier mosquitocide training shall be valid for three years.

e)         A licensed commercial applicator or commercial operator shall not apply a barrier mosquitocide when wind speeds are greater than or equal to 10 miles per hour. [415 ILCS 60/13.4(c)]

f)         A licensed commercial applicator or commercial operator of a barrier mosquitocide shall erect, immediately following application of the barrier mosquitocide, a lawn marker at the usual point or points of entry for residential properties treated with barrier mosquitocides.

1)         The lawn marker shall consist of a 4 inch by 5 inch sign, vertical or horizontal, attached to the upper portion of a dowel or other supporting device with the bottom of the marker extending no less than 12 inches above the turf. [415 ILCS 65/3(a)(2)]

2)         The lawn marker shall be white and lettering on the lawn marker shall be in a contrasting color. The marker shall state on one side, in letters of not less than ⅜ inch, one of the following: "LAWN CARE APPLICATION – STAY OFF GRASS UNTIL DRY – FOR MORE INFORMATION CONTACT: (here shall be inserted the name and business telephone number of the licensed commercial applicator or commercial operator)" or "BARRIER MOSQUITOCIDE APPLICATION – STAY OFF TREATED SURFACE UNTIL DRY – FOR MORE INFORMATION CONTACT: (here shall be inserted the name and business telephone number of the licensed commercial applicator or commercial operator)". [415 ILCS 65/3(a)(3)]

3)         The lawn marker shall be removed and discarded by the property owner or resident, or such other person authorized by the property owner or resident, on the day following the application. The lawn marker shall not be removed by any person other than the property owner or resident or person designated by such property owner or resident. [415 ILCS 65/3(a)(4)]

g)         A licensed commercial applicator or commercial operator of a barrier mosquitocide shall provide, upon request, a customer or any person whose property abuts or is adjacent to the property of a customer of a licensed commercial application or commercial operator of a barrier mosquitocide, a copy of the material safety data sheet and approved pesticide registration label for the applied barrier mosquitocide. [415 ILCS 65/3(c)(7)]

1)         Any neighbor whose property abuts or is adjacent to the property of a customer of a licensed commercial applicator or commercial operator of a barrier mosquitocide may receive prior notification of a barrier mosquitocide application by contacting the licensed commercial applicator or commercial operator and providing their name, address and telephone number. [415 ILCS 65/3(d)(1)]

2)         At least the day before a scheduled application, a licensed commercial applicator or commercial operator of a barrier mosquitocide shall provide notification to a person who has requested notification pursuant to this subsection (g)(1). The notification shall disclose the date and approximate time of application and shall be made in writing, in person, by telephone, or electronic message. [415 ILCS 65/3(d)(2)]

3)         If a licensed commercial applicator or commercial operator of a barrier mosquitocide is unable to provide prior notification because of the absence or inaccessibility of the individual at the time of application, the licensed commercial applicator or commercial operator shall leave a written notice at the residence of the person requesting notification, which shall provide the information specified in this subsection (g). [415 ILCS 65/3(d)(3)]

h)         No person shall install or use any mosquito mister or residential automatic pesticide misting system.

i)          Any barrier mosquitocide treatment made for public health purposes by or on behalf of a mosquito abatement district, public health department, township, municipality, or other unit of local government is exempt from this Section.  [415 ILCS 60/13.4(e)]

(Source:  Added at 50 Ill. Reg. 6036, effective April 15, 2026)