Sleep Tight, Don’t Let the Bedbugs Bite!!

August 26, 2010

We’ve all heard that old saying from our parents while tucking us in at night. As a child I thought it was just some silly little rhyme about weird fictional creatures that may bite me in my sleep. Imagine my surprise when I found out that bedbugs really do exist! This silly little rhyme has taken on new meaning to people now, especially since reports of bedbug infestations have been surfacing recently in local, national and even world news. I was recently interviewed by a reporter in conjunction with a story she did on a bedbug infestation in a local apartment complex. I was then interviewed by a local radio station. Since the subject seems to be piquing the interest of Houstonians, and terrifying some of them, I wanted to shed some light on it for you!

Nymphal bedbug
Creative Commons License photo credit: liz.novack

Simply known as bedbugs, insects belonging to the family Cimicidae are small parasites that feed on the blood of mammals and birds. They are related to other insects such as stink bugs, cicadas, and assassin bugs in the order Hemiptera. All of these insects feed using a piercing and sucking mouthpart known as a “beak.” Many of these insects are well-known plant pests which use their beak to penetrate the tissues of plants. Others are predators, and a few suck blood. The common bedbug Cimex lectularius is found worldwide in temperate climates. They are small, about 1/8-1/4 of an inch long, oval to round in shape, flattened laterally unless engorged, and rusty brown in color. A female bedbug can lay around 300 eggs in her lifetime and the eggs take only about a week to hatch, depending on the temperature. Bedbugs prefer to feed on humans because we are very abundant, and well, an easy target! They are also known to feed on rats, mice, rabbits, and chickens. Bedbugs may be small, but they are very tough! They can withstand some temperature extremes and they can live for up to 15 months without food!

Bedbugs used to be quite a problem until about the 1940’s when they were nearly eradicated from heavy pesticide use, including DDT, which they are now resistant to. Their numbers have been slowly rebounding since about the mid 1990’s. This can be blamed on several factors including increased world travel, their growing resistance to many kinds of pesticides and their ability to go unnoticed.  Because of their size and shape, bedbugs can slip into and hide in nearly any sized crack or crevice, making them very difficult to spot during the day. At night, they come out to feed. They find their host by detecting body heat and carbon dioxide emissions, much like mosquitoes do. Once on the host, they penetrate the skin with their beak and inject an anesthetic to make sure they go unnoticed. They then take a small blood meal and withdraw their mouthparts. If they are not disturbed they will move to the side and do this again.

Bedbugs are not a medically significant pest because they don’t spread any type of disease; they are really just a nuisance. They are most common in buildings or complexes in which people come and go often and rooms or residences are close together – such as hotels, cruise ships, jails, hospitals, public housing, apartment buildings, etc. In hotels and other travel destinations, bedbugs can hitchhike on articles of clothing and baggage. In apartment buildings, they can travel easily between units. If an infested apartment becomes vacant, the bugs will seek a new host by traveling to an adjoining apartment. Bedbugs usually end up in residences such as houses because they are transferred unknowingly from one of these other types of places. Now, don’t get all upset and scared thinking if you’ve traveled or visited friends you could definitely have bedbugs. The best way to deal with any kind of pest insects is: Don’t be paranoid! Be preventative and be prepared! Here are some answers to questions you may have about bedbugs:

How do I know if I have bedbugs?

Leaf-footed bug, relative of a bedbug
Creative Commons License photo credit: procristination

This can be a bit tricky, but certainly not impossible! Be aware of your surroundings and what’s going on with your body. You should always inspect your body for insect bites and investigate things that may be making you itch and why. Take your lifestyle and activities into account to rule out other pests. Do you spend a lot of time outside or do you have pets? Don’t mistake mosquito and flea bites for bedbug bites. If you find yourself going to bed unscathed and waking up with itching or irritation, it may be something to look into. Due to the way they feed, bedbugs will sometimes leave 2 or more bites in a row next to each other, but not always. If you see bites like this, it is a telltale sign. Since bedbugs, don’t cause symptoms in everyone, there are other signs to watch for. Inspect your sheets for tiny blood smears and molts (shed skins). For this reason, it is helpful to have white or light colored sheets. Inspect your bedroom, mattress, and even your couch for small crawling bugs. If you find something bring it in to show us, or send a picture. We are ALWAYS happy to help the public by identifying insects!

What should I do if I have bedbugs?

Run For Your Lives
Creative Commons License photo credit: JMazzolaa

First, it is important to get a positive identification. Show the bug(s) to a competent Entomologist. Most pest control operators should know how to identify one, but again, we are a sure thing! If you do have bedbugs, DO NOT try to treat them yourself! Washing your sheets with hot water or even throwing your mattress out will not fix the problem! Bedbugs will more than likely be hiding in other places. Call a reputable pest control company to treat the problem. Scientists are constantly developing new pesticides to combat them and some companies can do hot steam treatments which will eliminate all stages of the bugs. They cannot take heat above about 115 degrees F. These services may be expensive, but they will work.

What can I do to prevent getting bedbugs?
Again, don’t be paranoid! That won’t do you any good and it will just stress you out. You can be preventative by doing certain common sense things that will help protect you against most pest insects. Make sure your house is in good repair, seal up cracks, fill holes, etc. Most pest insects especially bedbugs can come in through and hide in tiny spaces. Keep your house clean and clutter free. Have a squeaky clean disinfected home is good to keep the cockroaches away, but not necessarily bedbugs. All they need is a host, you or your family! However, by eliminating clutter around your home, you’re eliminating harborage and hiding places. This will make it a less attractive environment for them and if they’re there, they will be much easier to treat. Be well prepared and make smart choices when traveling.  If you’re staying in a hotel, do your research. You can find out a lot of information about hotels online. The same thing goes for moving into an apartment. Look for well maintained complexes and do your research!

So what if now I’m totally grossed out and scared of getting bedbugs??
Like I said, bedbugs are nothing to be afraid of. I know something about little creatures coming out at night to feed on us in our sleep is the stuff of nightmares for some, but consider things like lice or mosquitoes that feed on us regardless of when we’re awake or asleep and can transmit harmful pathogens. At any given moment there are trillions, actually an unimaginable number of microorganisms, including bugs, living and feeding on us. As creepy as it may seem, it’s totally natural. If you follow the advice in this blog, you should lead a relatively bedbug free life, and if there’s anything else we can do to put your mind at ease, answer questions, identify critters, we’ll be happy to! Until next time, don’t let the bedbugs bite!

Erin M
Authored By Erin M Mills

Erin Mills received her undergraduate degree in Entomology from Texas A&M University in 2004, and after a short tour of the pest control industry, joined HMNS as the Cockrell Butterfly Center's Insect Zoo Manager in 2005. Over the years she expanded the butterfly center's live arthropod collection, developed the ever popular "Bugs on Wheels" outreach program, and continued to establish her role as HMNS's insect expert. In October of 2016, she achieved her long time goal of becoming the Director of the Cockrell Butterfly Center and in January of 2021, she joined the team at HMNS Sugar Land as the Director of Nature Programming. Erin leads hikes in Brazos Bend State Park and provides fun, hands-on nature-based experiences at HMNS Sugar Land. As a Board Certified Entomologist, Erin has extensive knowledge of insect identification, ecology, plant relationships, husbandry, really any insect-related topic!

3 responses to “Sleep Tight, Don’t Let the Bedbugs Bite!!”

  1. Nick says:

    Thanks for the very helpful info, Erin. My girlfriend recently had a series of bites she thought at first were from bedbugs. After the initial freakout, we did some research and now think the bites were from beach fleas (something I hadn’t heard of before) while she was traveling in Mexico. Any thoughts on how to tell the difference between the two?

  2. Erin M. says:

    Well, if you’re having bites show up, again, try to pay attention to when they pop up. Sometimes fly or mosquito bites can take a while to start itching, but if you go to bed fine and wake up with bites that certainly weren’t there before, bedbugs may be the culprit. Another thing to look out for is the arrangement of the bites. Mosquito and fly bites will be pretty scattered, flea bites tend to be found in the waistband or sock line, but bedbugs often feed in small rows, so you may see 2 or 3 bites right next to each other. The most compelling evidence, however, will probably be in the sheets or on the mattress. If you suspect bedbugs, it’s important to do a thorough inspection of your bed to look for the signs I mentioned in the blog. I’m glad i could help!

  3. Ruth says:

    Oh do I have a tale to tell about my bed bug experience. I lived in a place that was full of bedbugs. That I didn’t know until I lived there for 6 months. I started itching. I lived there another year in agony. Sometimes I would get large welts. I would wake up itching like crazy, which, for me, I had bedmates. I would get up an take care of the bedbugs that were there. I dressed myself from head to toe, with socks and pants and long sleeves that are closed at the ankle, but they managed to get hold of a small area of flesh and filled it up with bites. It has taken me about two years to get over that with complications and I am still getting the results well. The interesting thing about the lines they made on me were a bunch of half circles. The people there couldn’t get rid of them. They sent in heaters that heat them up. At this place where I am now, some show up but they nip them in the bud. I use the same stuff they do and It works pretty good.

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