BED BUGS FACT SHEET Public health officials and pest control operators across the country are responding to a significant resurgence in bed bug complaints. Although they are not known to transmit disease, bed bugs can cause a variety of physical and mental health concerns to anyone living with an infestation. They have been found in homes, apartments, office buildings, hospitals, businesses and even movie theaters. Economically, bed bugs can be a challenging and very expensive pest to control. The CDC and the USEPA have even declared that the bed bug is now a “pest of significant public health importance.” WHAT ARE BED BUGS?
Bed bugs are small, flat, oval, reddish-brown, wingless insects that are approximately ¼ inch in length. They feed primarily at night on the blood of humans and other mammals. Bed bugs do not fly or jump, however, they can crawl very fast. Bed bugs are a re-emerging pest that may be found in hotels, apartments, dormitories, nursing homes, or any other places people gather. Anyone who comes in direct contact with bed bugs or their eggs can unknowingly carry them into their home or workplace. They are easily spread by moving beds, furniture, luggage, or clothing from one location to another.
DO BED BUGS TRANSMIT DISEASE?
Bed bugs are primarily a nuisance to humans and are not known to transmit disease. Bed bug infestations can cause severe psychological and emotional stress. Bites can cause welts which may become infected by excessive scratching.
HOW DO I KNOW IF I HAVE BED BUGS?
Rusty-brown or black colored spots along the seams of a mattress or box spring are typically evidence of blood spots and fecal matter left by bed bugs. Check common areas where adult bed bugs prefer to hide, such as cracks, crevices, bed frames, baseboards, behind wall hangings and loose wallpaper, on upholstered furniture and drapery and around the seams and corners of mattresses and box springs. Bed Bugs prefer fabric, wood, and paper surfaces over plastic or metal. In heavy infestations, bed bugs can be found around and inside electrical outlets and in electronic devices, such as telephones, radios and televisions.
HOW CAN I GET RID OF BED BUGS?
Eliminate clutter throughout the dwelling reducing the number of bed bug hiding spots. Wash clothing and linens in hot water (>120 degrees Fahrenheit) and dry on a hot setting. Enclose infested mattress and box springs in a zippered cover that is labeled “allergen rated,” “for dust mites” or “for bed bugs” for at least one full year. Vacuum the area thoroughly and discard contents in sealed trash bags. Pesticides labeled for use against bed bugs are available over the counter and may provide effective control. However, if the problem persists or if you’re dealing with a heavy infestation, it is recommended that you contact a licensed, professional pest control company to ensure effective treatment. Follow all recommended preparation guidelines provided by the pest control company prior to each treatment. Since bed bugs are difficult to control, you should plan on several treatments to eliminate an infestation. An extensive heat treatment A zippered mattress cover can of the premises may be required to thoroughly control a widespread help protect against bed bugs bed bug infestation. DO NOT USE “Bug Bombs.” They will typically kill only a small number of bed bugs and will often cause the insects to migrate into adjacent dwelling units. If you live in a rental unit and suspect an infestation, contact your management company or landlord to advise of the problem. Property owners should contact a
professional pest control company. You can also contact the Cuyahoga County Board of Health at (216)201-2000 for assistance.
HOW CAN I PREVENT BED BUGS?
Do not bring discarded bed frames, mattresses, box springs, or upholstered furniture into your home. Carefully inspect used or rented furniture prior to bringing it into your home. Keep your clothes hung up and in zippered clothing bags. When traveling, inspect the bed and furniture upon arrival. Keep suitcases off the floor and bed, and inspect them before you leave. Wash and dry all clothing thoroughly when you return home. Caulk and seal any cracks and crevices throughout your home.
For more information, visit the Cuyahoga County Board of Health website at http://www.ccbh.net/bed-bugs/ or contact the Cuyahoga County Board of Health Cuyahoga County Board of Health 5550 Venture Dr. Parma, OH 44130 (216)201-2000 www.ccbh.net
Bed Bug Response Flowchart for Schools A Bed Bug is found on a child’s clothing or belongings.
Discreetly remove child from classroom. Carefully collect the bug for positive identification. Qualified individual should examine clothes, belongings, locker, etc. for presence of bed bugs. Place child’s items into a tightly sealed plastic bag.
Notify child’s parents. Send appropriate educational materials home with the student. Provide guidance on the inspection of the residence, the need for sanitation measures, pest control, etc. Consider the need for sending home a parent notification letter with all affected students. Contact the Cuyahoga County Board of Health as necessary for assistance.
Parent acknowledges bed bug infestation or finds evidence of an infestation in the residence.
Encourage rapid response by parents to treat the infestation. Additional guidance is available from the Cuyahoga County Board of Health (CCBH).
No evidence of a bed bug infestation is found.
Investigate other potential sources of bed bugs.
A Bed Bug is found in a classroom or common area in the school.
Have trained staff and/or licensed pest control operator thoroughly inspect individual rooms, common areas, students’ belongings, etc. for evidence of a bed bug infestation. Consider the need for sending home a parent notification letter with students in affected classroom or all students as deemed appropriate. Contact the Cuyahoga County Board of Health as necessary for assistance.
Inspection reveals evidence of a bed bug infestation.
Inspection reveals no evidence of a bed bug infestation.
Follow school Integrated Pest Management (IPM) plan and conduct appropriate treatment and control measures.
Continue to monitor the classroom and building for activity. Provide education for appropriate staff so they can identify and respond accordingly to bed bug concerns as they arise in the future.
Notify staff and parents of the treatment and control measures conducted at the school.
If repeated instances occur at school, follow established policy and enlist the assistance of appropriate agencies.
* Please refer to www.ccbh.net or www.cuyahogabedbugs.org for detailed information and educational materials on preventing and responding to Bed Bug infestations in a school.
GUIDELINES FOR BED BUG RESPONSE IN A SCHOOL BUILDING Bed bugs are spreading rapidly within the United States. Contact with bed bugs can occur anywhere, even at schools. It is important for schools to be informed about how to prevent a bed bug infestation and how to address the detection of bed bugs. Since bed bugs are not known to transmit disease, students should not be excluded from school due to bed bugs. The school nurse or school administration should privately follow these guidelines with the student’s dignity in mind. Education is Key: Provide training for custodial, teaching, and nursing staff on bed bug identification. The training should include the following topics: identification of bed bugs and bed bug evidence, bed bug hiding spots and the school’s bed bug response protocol. The training can be conducted by the local health department, an entomologist, or a pest management professional. Care for the Student •
Discreetly remove the student from the classroom so the school nurse or a qualified individual can perform an inspection of the student’s clothing and belongings, including shoes, jackets, hats, books, backpacks, school supplies, etc.
•
Place any of the student’s items that may not be essential to the school day, such as book bags and coats, into a large plastic bag and tightly seal the bag.
•
Heat kills bed bugs. If the school has a washer or dryer, the school may wash the student’s clothing at the hottest recommended setting. Tumble dry the clothing on high heat for 30 minutes (120oF or above).
•
Check areas where the student sits or where the student’s belongings may have been placed for extended periods of time. Bed bugs are excellent hitchhikers and can be found on various surfaces in many different locations.
•
Take measures to minimize the amount of attention drawn to the student.
Collect a Specimen for Identification •
Collect a specimen using a tissue or a piece of gauze. Try not to crush the bug. Multiple specimens can be very helpful in identification of the insect.
•
Dispose of additional bed bugs found by placing them in a tightly sealed bag and discarding the bag in an outdoor trash receptacle or dumpster. VERY IMPORTANT: If a specimen is found on a student or the student’s belongings, remove the specimen as instructed above, but do not send the student home. The parents should be immediately notified by the school nurse or the school administration if the specimen is a confirmed bed bug.
•
Contact the local health department, a pest management professional, or utilize the website (www.cuyahogabedbugs.org) to assist in identification. The local health department may also consult with the Ohio Department of Health as needed.
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An additional service to identify insects is available at the Ohio State University (www.ppdc.osu.edu).
•
Do not send live specimens via any postal or shipping service. Check the appropriate websites for proper submission protocols. Once received by the agency, an entomologist will examine the specimen and then notify the school administration of the bug’s identification, typically within two days of receipt. www.cuyahogabedbugs.org
Positive Identification of Bed Bugs: What to Do Next After positive identification, the school administration or the school nurse should send the school community a parent or guardian notification letter and a bed bug fact sheet available at www.ccbh.net or www.cuyahogabedbugs.org. If the bed bug was found directly on a student or the student’s belongings, the school administration or nurse should make direct contact with the student’s parent or guardian and provide the following information: •
Instruct the parent or guardian to send the student to school with a sealable plastic bag containing a clean, freshly laundered change of clothes. The clothes should be washed at the hottest recommended setting and tumble dried on high heat for at least 30 minutes before being placed in the bag.
•
Request that the parent or guardian send only essential items to school with the student. These items should be inspected upon arrival at school. The school may offer to keep non-essential items overnight to help ensure the items are bed bug free.
•
Suggest keeping school items sealed in a plastic bag at home and limit items going back and forth from home to school until the infestation is under control.
Treating an Infestation An Integrated Pest Management (IPM) program should be implemented to help achieve long-term, environmentally sound pest control. An effective IPM approach incorporates a number of components, including education, thorough monitoring, identification of both chemical and non-chemical pest management techniques, accurate record keeping, and periodic program evaluation. •
Ongoing pest management should be overseen by the school administration.
•
A properly licensed pest management company should be contracted to apply pesticides. A list of licensed pest management companies and applicators can be found at the Ohio Department of Agriculture’s web site (www.agri.ohio.gov/apps/odaprs/pestfert-PRS-searchindex.aspx). Verify the company is experienced in bed bug treatment.
In addition to following an IPM program, the school administration should implement a protocol to treat areas where bed bugs are found. The following vacuuming procedures should be incorporated: •
Vacuum areas where bed bugs are found during the normal after-school cleaning schedule. Make sure floor and baseboards are included.
•
Sprinkle about ¼ to ½ cup of talcum powder on the last section of floor to be vacuumed. The talc will help dry out and kill bed bugs in the bag or cup.
•
Carefully remove the vacuum bag or contents of the bag-free vacuum container and place it in a tightly sealed plastic garbage bag for disposal.
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Dispose of the sealed bag in an outdoor trash can.
•
Do not use the same vacuum bag in uninfested areas.
To help minimize the potential transfer of bed bugs or their eggs from one student’s belongings to another, it is recommended to store each student’s items (coat, backpack, lunch bag, etc.) separate from those of their classmates or in individual plastic containers labeled with the students’ names. Coats hung next to each other and lunch bags stored together in a common container provide bed bugs an opportunity to relocate and to be transported home with an unknowing student. Note: These guidelines include recommendations of the Central Ohio Bed Bug Taskforce
www.cuyahogabedbugs.org
HYG-2105-04
Entomology, 1991 Kenny Road, Columbus, OH 43210
Bed Bugs Susan C. Jones, Ph.D., Assistant Professor of Entomology Extension Specialist, Household & Structural Pests
B
ed bugs are parasites that preferentially feed on humans. If people arenʼt available, they instead will feed on other warmblooded animals, including birds, rodents, bats, and pets. Bed bugs have been documented as pests since the 17th century. They were introduced into our country by the early colonists. Bed bugs were common in the United States prior to World War II, after which time widespread use of synthetic insecticides such as DDT greatly reduced their numbers. Improvements in household and personal cleanliness as well as increased regulation of the used furniture market also likely contributed to their reduced pest status. In the past decade, bed bugs have begun making a comeback across the United States, although they are not considered to be a major pest. The widespread use of baits rather than insecticide sprays for ant and cockroach control is a factor that has been implicated in their return. Bed bugs are blood feeders that do not feed on ant and cockroach baits. International travel and commerce are thought to facilitate the spread of these insect hitchhikers, because eggs, young, and adult bed bugs are readily transported in luggage, clothing, bedding, and furniture. Bed bugs can infest airplanes, ships, trains, and buses. Bed bugs are most frequently found in dwellings with a high rate of occupant turnover, such as hotels, motels, hostels, dormitories, shelters, apartment complexes, tenements, and prisons. Such infestations usually are not a reflection of poor hygiene or bad housekeeping.
Mature Bed Bug Order: Family—Hemiptera: Cimicidae Common name
Scientific name
Bed Bug
Cimex lectularius
Tropical Bed Bug
Cimex hemipterus
Distribution Bed bugs are fairly cosmopolitan. Cimex lectularius is most frequently found in the northern temperate climates of North America, Europe, and Central Asia, although it occurs sporadically in southern temperate regions. The tropical bed bug, C. hemipterus, is adapted for semitropical to tropical climates and is widespread in the warmer areas of Africa, Asia, and the tropics of North America and South America. In the United States, C. hemipterus occurs in Florida.
Identification Adult bed bugs are brown to reddish-brown, oval-shaped, flattened, and about 3/16 to 1/5 inch long. Their flat shape enables them to readily hide in cracks and crevices. The body becomes more elongate, swollen, and dark red after a blood meal. Bed bugs have a beaklike piercing-sucking mouthpart system. The adults have small, stubby, nonfunctional wing pads. Newly hatched nymphs are nearly colorless, becoming brownish as they mature.
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Nymphs have the general appearance of adults. Eggs are white and about 1/32 inch long. Bed bugs superficially resemble a number of closely related insects (family Cimicidae), such as bat bugs (Cimex adjunctus), chimney swift bugs (Cimexopsis spp.), and swallow bugs (Oeciacus spp.). A microscope is needed to examine the insect for distinguishing characteristics, which often requires the skills of an entomologist. In Ohio, bat bugs are far more common than bed bugs.
Life Cycle Female bed bugs lay from one to twelve eggs per day, and the eggs are deposited on rough surfaces or in crack and crevices. The eggs are coated with a sticky substance so they adhere to the substrate. Eggs hatch in 6 to 17 days, and nymphs can immediately begin to feed. They require a blood meal in order to molt. Bed bugs reach maturity after five molts. Developmental time (egg to adult) is affected by temperature and takes about 21 days at 86º F to 120 days at 65º F. The nymphal period is greatly prolonged when food is scarce. Nymphs and adults can live for several months without food. The adultʼs lifespan may encompass 12-18 months. Three or more generations can occur each year.
Habits Bed bugs are fast moving insects that are nocturnal bloodfeeders. They feed mostly at night when their host is asleep. After using their sharp beak to pierce the skin of a host, they inject a salivary fluid containing an anticoagulant that helps them obtain blood. Nymphs may become engorged with blood within three minutes, whereas a full-grown bed bug usually feeds for ten to fifteen minutes. They then crawl away to a hiding place to digest the meal. When hungry, bed bugs again search for a host. Bed bugs hide during the day in dark, protected sites. They seem to prefer fabric, wood, and paper surfaces. They usually occur in fairly close proximity to the host, although they can travel far distances. Bed bugs initially can be found about tufts, seams, and folds of mattresses, later spreading to crevices in the bedstead. In heavier infestations, they also may occupy hiding places farther from the bed. They may hide in window and door frames, electrical boxes, floor cracks, baseboards, furniture, and under the tack board of wall-to-wall carpeting. Bed bugs often crawl upward to hide in pictures, wall hangings, drapery pleats, loosened wallpaper, cracks in plaster, and ceiling moldings.
Injury The bite is painless. The salivary fluid injected by bed bugs typically causes the skin to become irritated and inflamed, although individuals can differ in their sensitivity. A small, hard, swollen, white welt may develop at the site of each bite. This is accompanied by severe itching that lasts for several hours to days. Scratching may cause the welts to become infected. The
amount of blood loss due to bed bug feeding typically does not adversely affect the host. Rows of three or so welts on exposed skin are characteristic signs of bed bugs. Welts do not have a red spot in the center such as is characteristic of flea bites. Some individuals respond to bed bug infestations with anxiety, stress, and insomnia. Bed bugs are not known to transmit disease.
Tell-tale Signs A bed bug infestation can be recognized by blood stains from crushed bugs or by rusty (sometimes dark) spots of excrement on sheets and mattresses, bed clothes, and walls. Fecal spots, eggshells, and shed skins may be found in the vicinity of their hiding places. An offensive, sweet, musty odor from their scent glands may be detected when bed bug infestations are severe.
Control Measures A critical first step is to correctly identify the blood-feeding pest, as this determines which management tactics to adopt that take into account specific bug biology and habits. For example, if the blood-feeder is a bat bug rather than a bed bug, a different management approach is needed. Control of bed bugs is best achieved by following an integrated pest management (IPM) approach that involves multiple tactics, such as preventive measures, sanitation, and chemicals applied to targeted sites. Severe infestations usually are best handled by a licensed pest management professional.
Prevention Do not bring infested items into oneʼs home. It is important to carefully inspect clothing and baggage of travelers, being on the lookout for bed bugs and their tell-tale fecal spots. Also, inspect secondhand beds, bedding, and furniture. Caulk cracks and crevices in the building exterior and also repair or screen openings to exclude birds, bats, and rodents that can serve as alternate hosts for bed bugs.
Inspection A thorough inspection of the premises to locate bed bugs and their harborage sites is necessary so that cleaning efforts and insecticide treatments can be focused. Inspection efforts should concentrate on the mattress, box springs, and bed frame, as well as crack and crevices that the bed bugs may hide in during the day or when digesting a blood meal. The latter sites include window and door frames, floor cracks, carpet tack boards, baseboards, electrical boxes, furniture, pictures, wall hangings, drapery pleats, loosened wallpaper, cracks in plaster, and ceiling moldings. Determine whether birds or rodents are nesting on or near the house. In hotels, apartments, and other multiple-type dwellings, it
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is advisable to also inspect adjoining units since bed bugs can travel long distances.
not well documented.
Insecticides
Sanitation Sanitation measures include frequently vacuuming the mattress and premises, laundering bedding and clothing in hot water, and cleaning and sanitizing dwellings. After vacuuming, immediately place the vacuum cleaner bag in a plastic bag, seal tightly, and discard in a container outdoors—this prevents captured bed bugs from escaping into the home. A stiff brush can be used to scrub the mattress seams to dislodge bed bugs and eggs. Discarding the mattress is another option, although a new mattress can quickly become infested if bed bugs are still on the premises. Steam cleaning of mattresses generally is not recommended because it is difficult to get rid of excess moisture, which can lead to problems with mold, mildew, house dust mites, etc. Repair cracks in plaster and glue down loosened wallpaper to eliminate bed bug harborage sites. Remove and destroy wild animal roosts and nests when possible.
Trapping After the mattress is vacuumed or scrubbed, it can be enclosed in a zippered mattress cover such as that used for house dust mites. Any bed bugs remaining on the mattress will be trapped inside the cover. Leave the cover in place for a year or so since bed bugs can live for a long time without a blood meal. Sticky traps or glueboards may be used to capture bed bugs that wander about. However, the effectiveness of these traps is
Residual insecticides (usually pyrethroids) are applied as spot treatments to cracks and crevices where bed bugs are hiding. Increased penetration of the insecticide into cracks and crevices can be achieved if accumulated dirt and debris are first removed using a vacuum cleaner. Avoid using highly repellent formulations, which cause bed bugs to scatter to many places. Dust formulations may be used to treat wall voids and attics. Repeat insecticide applications if bed bugs are present two weeks after the initial treatment since it is difficult to find all hiding places and hidden eggs may have hatched. Do not use any insecticide on a mattress unless the product label specifically mentions such use. Note that very few insecticides are labeled for use on mattresses. If using an appropriately labeled insecticide on a mattress, take measures to minimize pesticide exposure to occupants. Apply the insecticide as a light mist to the entire mattress, opening seams, tufts, and folds to allow the chemical to penetrate into these hiding areas. Allow the treated surface to completely dry before use. Do not sleep directly on a treated mattress; be sure bed linens are in place. Do not treat mattresses of infants or ill people. Alternatives to using an insecticide on a mattress are discussed in the ʻSanitationʼ and ʻTrappingʼ sections. No insecticides are labeled for use on bedding or linens. These items should be dry cleaned or laundered in hot water and dried using the “hot” setting.
Visit Ohio State University Extensionʼs WWW site “Ohioline” at: http://ohioline.osu.edu All educational programs conducted by Ohio State University Extension are available to clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era veteran status. Keith L. Smith, Associate Vice President for Ag. Adm. and Director, OSU Extension TDD No. 800-589-8292 (Ohio only) or 614-292-1868 1/2004-des
