|Insects||Insecticide*||Suggestions for Control
|Ants (N HE- I11); Carpenter ants (NHE-10)||Outdoors: diazinon 25% E.C.; Indoors: chlorpyrifos R.T.U., diazinon R.T.U., propoxur R.T.U.,
hydrazone baits, propoxur baits, boric acid R.T.U.||Chemical: Use diazinon to spray completely around outside foundation and the adjacent 1 ft. of soil. Apply an
R.T.U. spray to baseboards, cracks, and door thresholds. Apply boric acid in out-of-reach areas only.
|NonChemical: Keep foods in tightly sealed containers or in the refrigerator. Most ants prefer sweets and fats.
Practice good sanitation. Avoid leaving dirty dishes or other food particles where they are accessible to ants. Caulk
cracks and crevices in house foundation.
|Ants, Pharaoh||methoprene baits, boric acid baits||Chemical: Indoors: Place baits near ant food and water sources and in other areas where ants are found. Treat
for several weeks, replacing bait as it becomes dry.
|NonChemical: Follow suggestions above for other ants. Apply petroleum jelly or double-sided tape to furniture
legs to keep ants off of furniture.
|Boxelder bugs (NHE-9)||diazinon 25% E.C., carbaryl 50% W.P., insecticidal soap ||Chemical: Spray boxelder bugs on tree trunks, foundation walls (diazinon and insecticidal soap), under eaves,
and other areas where they gather. Use carbaryl on foliage where beetles are feeding.
|NonChemical: Keep screens, and other openings in good repair. Caulk all seams around windows and doors. Indoors
remove the bugs by vacuuming.
|Carpet beetles, clothes moths (N E-87)||chlorpyrifos R.T.U., diazinon R.T.U.||Chemical: Spray storage areas, edges of carpeting, baseboards, cracks and crevices.
|NonChemical: Destroy all badly infested materials. If insulation is of plant or animal origin remove it from
the structure. Check for any dead animal or bird carcasses that may be in wall voids, chimneys, or fireplace areas.
Keep accumulation of lint to a minimum and vacuum thoroughly in areas where hair and other natural fibers gather.
Remove all bird, insect and rodent nests in the fall before cool weather. Place cleaned or washed woolens in
insect-free chests that are tightly sealed or in plastic bags. Dry cleaning and laundering kills these pests.
|Carpenter bees||carbaryl 5% dust, diazinon R.T.U. ||Chemical: Dust and spray entrances to nest with insecti cide. Do not plug entrance.
|NonChemical: In the fall, fill the holes and paint or varnish the entire wood surface.
|Centipedes, millipedes, sowbugs (NHE-93)||Outdoors/Indoors: diazinon 25% E.C., chlorpyrifos R.T.U., diazinon R.T.U., propoxur R.T.U.||Chemical: Apply diazinon as an outside foundation spray. If millipedes are abundant, treat entire lawn
according to label. Indoors: Use R.T.U. spray according to label.
|NonChemical: Correct situations where moist habitats occur such as crawl spaces, poorly drained areas, and
piles of trash, mulch, or compost. Remove indoors by vacuuming.
|Chiggers (NHE-127)||diazinon 25% E.C., DEET R.T.U.||Chemical: Treat lawns, roadsides, and areas not mowed. For personal protection, a repellent such as DEET will
|NonChemical: Eliminate or mow breeding sites, especially briars, weeds, and other thick vegetation where there
is an abundance of moisture and shade. Wear protective clothing such as a long-sleeved shirt and trousers, shoes, and
socks. Tuck pant legs into boots or socks. Avoid sitting on the ground either in the lawn or brushy areas. Take a warm
soapy shower or bath immediately after returning from any infested areas.
|Clover mites (NHE-2)||pyrethroid R.T.U., dicofol 35% W.P.||Chemical: Apply dicofol spray to outside foundation and adjacent 1 ft. of soil. Indoors: Spray with
|NonChemical: Eliminate grass and other vegetation in a 1 ft. band all the way around the house. Also make sure
window and door seams are properly caulked and sealed to prevent entry by the mites. Indoors: Mites can be removed by
|Cluster flies (NHE-I)||pyrethroid R.T.U.||Chemical: Fog lightly in rooms with pyrethroid. Repeat spray as needed.
|NonChemical: Seal cracks and openings around windows, eaves and siding. Use fly screen over air intake vents or
air conditioning systems. Seal off attic openings with screen or caulking. Indoors: Remove flies by vacuuming.
|Cockroaches: German (NHE-3),Brown-banded (NHE-4), American and Oriental (NHE-5)||chlorpyrifos R.T.U., diazinon R.T.U., propoxur R.T.U., bonc acid R.T.U., hydroprene R.T.U.,
hydrazone bait, propoxur bait||Chemical: Spray roach runways and hiding places. Treat under sink, refrigerator, cabinets, on baseboards, etc.
Treatment throughout home may be needed to control brown-banded roaches. May be supplemented with boric acid applied
into out-of-sight and out-of-reach voids under cabinets and appliances.
|NonChemical: Practice proper sanitation by keeping food properly sealed or stored in the refrigerator. Keep
trash covered. Do not allow dirty dishes to accumulate. Clean frequently under refrigerators and stoves where food
particles may accumulate. Eliminate hiding places such as piles of newspapers, boxes and papers. Caulk cracks and
crevices. Do not leave pet food out overnight.
|Crickets (NHE-137), Field, House, Camel||Outdoors: diazinon 25% E.C.; Indoors: chlorpyrifos R.T.U., diazinon R.T.U., propoxur R.T.U.,
propoxur bait||Chemical: Use diazinon to spray completely around outside foundation and the adjacent 1 ft. of soil. Apply an
R.T.U. spray to baseboards, cracks, and door thresholds.
|NonChemical: Cracks and crevices around windows, doors, and in the foundation should be properly sealed and
caulked. Indoors: Remove crickets by vacuuming. House lights attract both field and house crickets. Keep garbage cans
clean and empty frequently. Keep firewood at least 1-2 feet away from the foundation. Apply a 6-inch band of ashes
around the wood pile. Eliminate sources of moisture by fixing leaky pipes and modifying damp areas.
|Drain flies (NHE-91)||pyrethroid R.T.U.||Chemical: Use chemicals only after solving sanitation problems. Pour boiling water or rubbing alcohol into
overflow drain to eliminate maggots.
|NonChemical: Practice proper sanitation. Clean out overflow drains, drain traps, and basement drains. Keep
screens in good repair.
|Earwigs (NHE-142)||Outdoors: diazinon 25% E.C.; Indoors: chlorpyrifos R.T.U., diazinon R.T.U., propoxur R.T.U.,
propoxur bait||Chemical: Apply diazinon as an outside foundation spray. Indoors: Use R.T.U. spray according to label.
|NonChemical: Remove unessential plant debris, mulch, and boards from around buildings. Establish a zone of bare
concrete or soil which will dry out. Indoors: Remove by vacuuming. Caulk cracks and crevices around windows, doors, and
in the foundation.
|Elm leaf beetles (NHE-82)||carbaryl 50% W.P., Bacillus thuringiensis 'san diego'||Chemical: Spray nearby Chinese elm trees during the summer to reduce the number of beetles that come into homes
in the fall.
|NonChemical: Seal cracks and crevices around windows and other openings to prevent entry. Indoors: Remove by
|Fleas (NHE-107)||naled, carbaryl 5% dust, methoprene R.T.U., pyrethroid R.T.U.||Chemical: Replace flea collars on pets about every 3 months. Some pets are allergic. Dust pets directly as
needed. Dust areas inside and outside the home where pets rest. For infestations in the home, spray edges of carpets
and rugs and floors where fleas are observed. Follow label directions. Vacuum rugs and upholstered furniture thoroughly
approximately 30 minutes after spraying.
|Fleas (cont.)||Diazinon 25% E.C.||Chemical: Apply to lawn.
|NonChemical: Frequently launder pet bedding and rugs where pets frequent with hot soapy water. Vacuum
thoroughly to remove lint and dust around baseboards and cracks where flea eggs and larvae accumulate. Eliminate
vegetation that will serve as a harborage for the native mammal population (carriers of fleas). Prevent pets from
resting under the house and exclude mammals by screening attic and eave entrances. Thoroughly clean furniture in areas
pets tend to frequent.
|Flies (NHE-16), Houseflies, Gnats, Midges||Outdoors: malathion 50-57% E.C.; Indoors: pyrethroid R.T.U.||Chemical: Use malathion to spray around garbage cans and other resting sites. Apply fine mist or fog of
|NonChemical: Proper sanitation is important. Dispose of refuse frequently and prevent the accumulation of
rotting or decaying vegetation. Keep screens in good repair. Fly strips and fly swatters can also be effective.
|Honey bees (NHE-141)||carbaryl 5% dust, diazinon R.T.U., pyrethroid R.T.U.||Chemical: Drill holes through siding to inject insecticide, if necessary. Remove nests and honey and destroy
them. Treat nests at dusk or dawn.
|NonChemical: Caulk cracks and crevices during the winter or early spring to prevent nest building. Seal off
attic openings, air intake vents, and air conditioning systems with fly screen.
|Lice (NHE-105), Human, Head, Crab, Body||Kwell 1% shampoo, pyrethrin R.T.U.||Chemical: Dust lightly over body hair. Repeat in 2 weeks if needed. Do not get in eyes. Consult a
|NonChemical: Practice proper personal hygiene. Avoid using other individuals' combs, hats, towels, or hair
brushes. Bedding and clothing should be changed and washed frequently. Sanitation of locker rooms, and proper
laundering will help reduce the incidence of lice. Crab louse is usually transmitted through intimate sexual
|Mites, Human, Human scabies, Human itch mite (NHE-135)||Kwell 1% lotion available only by a physician's prescription, pyrethrin R.T.U.||Chemical: Consult a physician.
|NonChemical: Consult a physician.
|Mosquitoes (NHE-94,132)||Outdoors: malathion 50-57% E.C., pyrethroid fogger, Bacillus thuringiensis, 'israelensis'; Indoors:
pyrethroid R.T.U.||Chemical: Spray tall grass, around doorways, and other resting sites. Use a repellent like DEET when entering
mosquito-infested areas. Apply fine mist or fog of pyrethroid.
|NonChemical: Keep screens in good repair. Flues and chimneys should be covered during the summer months.
Eliminate resting places such as tall grass, weeds, shrubbery, and vines from around the home. Eliminate
rain-water-collecting items such as old tires, pans, cans, and buckets. Weekly, drain plastic swimming pools and bird
baths. Provide for proper water drainage around the foundation of the home. When visiting mosquito-infested areas, wear
protective clothing to prevent bites. If small garden ponds are present use Top minnows Gambusia sp. or Bacillus
thuringiensis 'israelensis'. Bug zappers" and ultrasonic devices have not proven to be extremely effective in
controlling mosquitoes and other noxious flying insects.
|Pantry and Cereal Pests (NHE-11), Grain beetles, Indian meal moth, Flour beetles||diazinon R.T.U., propoxur R.T.U., chlorpyrifos R.T.U., pyrethroid R.T.U.||Chemical: Force spray into cracks an crevices; allow to dry; cover shelves with clean, fresh paper. Do not
contaminate food or utensils with insecticides.
|NonChemical: Discard infested packages. Thoroughly clean and vacuum food cabinets and shelves. Keep dry food in
tightly sealed containers. Keeping nonhuman food at 32 degrees F for 3 to 4 days will kill eggs and larvae.
|Powder-post beetles (N HE-85)||chlorpyrifos 42% EC||Chemical: Use chlorpyrifos to paint or spray infested unfinished wood. Follow label directions.
|NonChemical: Avoid buying furniture of wood products that have not been stained, varnished or properly dried.
Properly paint or varnish new wood items to seal pores and to prevent egg laying.
|Silverfish (NHE-86)||diazinon R.T.U., propoxur R.T.U., chlorpyrifos R.T.U., boric acid R.T.U.||Chemical: Spray runways, baseboards, closets, and places where pipes go through the walls. Repeat treatments in
2 weeks if needed. Apply boric acid in out-of-reach areas only.
|NonChemical: Alter the physical environment of the infested area by reducing the humidity. Reduce harborage
sites by caulking cracks and crevices. Eliminate their food source by storing books, papers, and linens in tightly
sealed containers or cabinets.
|Spiders (N. HE- 17, 116)||Outdoors: diazinon 25Sc E.C.; Indoors: chlorpyrifos R.T.U., diazinon R.T.U., propoxur R.T.U.||Chemical: Use diazinon to spray completely around outside foundation and the adjacent I ft. of soil. Apply
R.T.U. spray to baseboards, cracks, and door thresholds. Do not use diazinon E. C. inside.
|NonChemical: Keep screens and other openings in good repair. Caulk all seams around windows and doors. Spiders
are considered beneficial as they are predators of insects and other small animals. Indoors: Remove by simply
|Springtails (NHE-70)||Outdoors: diazinon 25% E.C.||Chemical: Outdoors: Spray soil next to the house, especially grassy moist areas.
|NonChemical: Eliminate moist areas around the home where mulch and rotting vegetation are present. Keep outside
light use to a minimum. Keep screens and doors in good repair. Allow potting soil of houseplants to dry out between
|Swimming pool insects (NHE-103)||Do not add insecticides to pool water||Chemical: None.
|NonChemical: Keep outside light to a minimum. Maintain proper chlorine balance in the pool. Cover pool when not
|Termites (NHE-57)||chlorpyrifos 429 E.C. (Dursban T.C.), fenvalerate 24.5% E.C. (Tribute), permethrin (Dragnet 36.8Sc
E.C.), (Torpedo 25.6Sc E.C.), cypermethrin 25.3% E.C. (Demon T.C.)||Chemical: Fenvalerate, cypermethrin, and permethrin are restricted-use pesticides. Control by pest control
operator (exterminator) recommended.
|NonChemical: Remove termite tubes connecting the soil to wood sources. Eliminate wood-to-soil contacts.
Ventilate damp areas such as crawl spaces for proper drying. Use treated wood when landscaping or constructing outside
structures. Cedar and redwood are somewhat resistant; termites prefer hardwoods.
|Ticks (NHE-56), Brown dog tick, American dog tick, Deer tick, Lone star tick||tetrachlorvinphos 50% W.P., malathion 50-57% E.C., carbaryl 505tc W.P., carbaryl 5ic dust,
tetrachlorvinphos 3Sc dust, DEET R.T.U.||Chemical: Apply spray to lawns, fencerows, roadsides, and areas not regularly mowed. Dust pets directly as
needed, according to label instructions. Dust baseboards, cracks, and crevices around pet bedding. Use a repellent like
DEET when entering tick-infested areas.
|NonChemical: Keep vegetation, weeds and brush, mowed and clean. Avoid areas where ticks are known to be
present. Wear long-sleeved shirt and trousers when visiting infested areas, tuck pant-legs into socks. Check for ticks
on skin or clothing every few hours. Vacuum baseboards and other cracks and crevices thoroughly to destroy eggs and
|Wasps (NHE-141), Hornets, Yellowjackets||carbaryl 5Sc dust, diazinon R.T.U., pyrethroid R.T.U. ||Chemical: For nests below-ground, apply diazinon according to label and seal opening with soil. Spray
aboveground wasp and hornet nests in partitions with carbaryl. Drill holes through siding to inject insecticide, if
necessary. Remove nests and destroy them. Treat nests at dusk or dawn.
|NonChemical: Keep garbage cleaned up and properly covered. Avoid indiscriminate killing of wasps, hornets, and
yellowjackets, as they are considered beneficial. If picnicking, keep food properly covered or sealed. Avoid areas
where yellowjackets are prevalent. Keep overripe fruit and vegetables cleaned up and away from human activity. Caulk
cracks and crevices during the winter or early spring to prevent yellowjacket nests but do not caulk opening of active
|E.C. = emulsion concentrate; W.P. = wettable powder; R.T.U. = ready to use; G. = granules. *
Whenever possible, purchase specially prepared, ready-to-use forms of insecticides for indoor use. Use only one
insecticide from those listed. When preparing a quantity of 1 gallon or more of a spray, follow the mixing directions
on the pesticide label.
Check your state and local codes before starting any project. Follow all safety precautions.
Information in this document has been furnished by the North American Retail Hardware Association (NRHA) and
associated contributors. Every effort has been made to ensure accuracy and safety. Neither NRHA, any
contributor nor the retailer can be held responsible for damages or injuries resulting from the use of
the information in this document.