Tackling bed bugs national pesticide information center. During its first stage of life, the bed bug must feed on a. The entire bed bug life cycle from egg to adult takes anywhere between 5 weeks to 4 months. In the photo of the life cycle below, you can see the beginning stage starts with the egg which looks like rice and is approximately 14 mm in length.
Contrary to the myths, they dont spread disease, but have an incredible hiding ability and can proliferate very. It can be hard to distinguish bed bugs from other bugs, such as immature. Gila river indian community public health ipm workshop presentations and certificate 11202019 completion certificate pdf, 240 kb introduction to integrated pest management pdf, 4. Pdf the life cycle and effectiveness of insecticide against the bed. There are many bugs that look like bed bugs, so an accurate identification is a. Eyespots are visible as red dots on the developing bed bug embryos. The female bed bug lays between 200 to 500 eggs in. Bed bugs reproduce by something called, traumatic insemination. Bed bugs purdue extension entomology purdue university. As far as insect life spans go, bed bugs crawl the earth for longer than most tapping out around the 10month marker, according to. The effect of bed bug bites varies among people, but they eventually produce red welts that itch. The bed bug life cycle consists of several different stages.
Below youll see the bed bug life cycle which typically takes about 40 days when well fed. Bed bugs generally take 5 10 minutes to complete a blood meal and the quantity of blood taken can be many times the weight of the bug. Female adult bed bugs lay roughly 200 to 500 eggs over their lifetime. She willthen have to feed again to produce more eggs. Their blood meal usually takes about 510 minutes, which is why they tend to feed on sleeping humans at night.
Mealybugs are in the insect family pseudococcidae, part of the. The bed bug is an obligate hematophagous bloodsucking insect. Another example of a bed bugs life cycle is provided by stephen doggett at the department of medical entomology, icpmr in australia. Bed bugs feed on exposed areas of skin, with most bites typically being found on the abdomen, but also the neck, arms, legs and feet. It is important to understand the life cycle of bed bugs as this information can give you an idea of when the infestation started. Bed bugs public health and medical entomology purdue. Skip to life cycle and habits although humans are the preferred host, bedbugs feed on many warmblooded animals including rats, mice, dogs, cats, poultry, and other birds. Mealybugs are favored by warm weather and thrive in areas without cold winters or on indoor plants. Please use one of the following formats to cite this article in your essay, paper or report. The effect of bed bug bites varies among people, but they eventually produce red. Bed bugs possess stink glands and emit a distinctive odor. Bed bug handbook georgia department of public health.
These wingless insects have dorsoventrally flattened bodies that allow them to hide in areas such as floor cracks, carpets, beds and upholstered furniture. Warmer climates promote faster bed bug reproduction and development. The number of male and female eggs produced is about the same 1. The 7 stages of the bed bug life cycle you need to know being aware of the bed bug life cycle can help you in your efforts to combat bed bugs at home or on holidays.
Bed bugs are nocturnal, reddishbrown insects that feed on the blood of humans and other warmblooded animals. These wingless insects have dorsoventrally flattened bodies that allow. Contrary to the myths, they dont spread disease, but have an incredible hiding ability and can proliferate very quickly. The total development process from and egg to an adult can take place in about 37 days at optimal temper atures 72 f.
The meaning of community will vary from place to place, but it could mean a town, city, county or. Female bed bugs lay about five eggs daily throughout their adult lives in a sheltered location mattress seams, crevices in box springs, spaces under baseboards, etc. Bed bugs are small insects that are usually active at night when people are sleeping. Bed bugs are small, brownish, flattened insects that feed solely on the blood of animals. The inflammatory reaction to the bites is not diagnostic specifically for bed bugs, and confirmation of a bed bug bite or infestation is best achieved by identification of adults or nymphs collected in sheltered areas near where the patient was bitten. Adult bed bugs can live without feeding for around a year depending on temperatures. One female bed bug can lay 200250 eggs in her lifetime. T here are a lot of theories presented at testing seminars. Bed bug eggs viewed under a microscope and dyed for visibility.
The rusty or tarry spots found on bed sheets or in bug hiding places are because 20% of the time adults and large nymphs will void remains of earlier blood meals while still feeding. The inflammatory reaction to the bites is not diagnostic specifically for bed bugs, and confirmation of a bed bug bite or infestation is best achieved by. During daylight hours, the bed bug hides in crevices, cracks and, for. Bed bugs multiply quickly, and in just six months, a few can turn into a fullon infestation of,000 or more. Detection is critical to break the bed bug life cycle before they. There are many bugs that look like bed bugs, so an accurate identification is a critical first.
A female bed bug will produce between 1 7 eggs per day for about 10 days after a single blood meal. Learn more about a bed bugs life cycle and how many eggs the female bed bugs lays in a lifetime, here they life and how they bite. Many insecticides are not effective at killing the eggs, so a second treatment is often necessary to kill the. Lifecycle of the common bed bug, cimex lectularius. It feeds at night and is most active just before sunrise. Bed bugs can be very difficult to control, even for trained professionals. Bed bugs require blood in order to reproduce and complete their life cycle. An individual bed bug can lay 200 to 250 eggs in her lifetime.
Although the common bed bug cimex lectularius prefers feeding on humans, it will also bite other warmblooded. Life cycle after mating, females lay white, oval eggs 116 long into cracks and crevices. Cooler temperatures or limited access to blood prolong the development time. A nymph will go through five phases of growth before it becomes an adult, shedding its skin each time, according to the epa. Pdf the purpose of this study was to determine the life cycle and effectiveness of insecticides against bed bugs in thailand. Bed bugs appearance and life cycle knowing what to look for is the first step in identifying and controlling bed bugs. However, when people think they have bed bugs, they may sleep poorly and worry. Bed bugs were once a common public health pest worldwide, however declined in. Eggs hatch in about 412 days into first instar nymphs which must take a blood meal before molting to the next stage. This term means that the male bug actually pierces the abdomen of the female to. And while that 10month window is true for most, some are. Eggs are about one millimeter in size, while a first stage nymph measures about 1.
Bed bug life cycle bed bugs are nocturnal, reddishbrown insects that feed on the blood of humans and other warmblooded animals. Bed bugs require blood in order to reproduce and com plete their life cycle. Bedbugs find their way into your home through clothing, furniture, luggage and other items brought in from outside. The eggs hatch in 6 to 10 days and the newly emerged. Adult bed bugs have flat rustyredcolored oval bodies. The bed bug egg is generally laid in a sheltered location such as a mattress, thin crevices in box springs and under base boards. On average, they live for 10 months but can live for a year or more in the right conditions.
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