![]() When a bed bug becomes engorged (after a blood meal), its abdomen becomes elongated and football-shaped, not round and globular like a spider beetle.Īt first glance, ticks and bed bugs seem to share several similar characteristics. Spider beetles’ abdomens are also small and globular (relative to the length of their legs and antennae), while bed bugs’ abdomens are typically wide and flat. Unlike bed bugs, spider beetles have long antennae that are almost the same length as their bodies. ![]() They have shiny, rounded bodies that range in color from dark reddish-brown to black. They also have tiny, pale yellow hairs covering their head, thorax, legs, and antennae. They’re sometimes mistaken for bed bugs because of their large, round abdomens and small heads.Īdult spider beetles are smaller than bed bugs, around 1/16–1/8 inch long (1.5–3.5 mm). These insects have long legs that make them look like a cross between a spider and a beetle. They don’t bite and are not dangerous to humans these insects are scavengers that mainly feed on wool, hair, fabrics, food products, and animal droppings. Spider beetles are small, bulbous beetles that are usually found in dark places with lots of moisture. These larvae don’t bite people, but prolonged exposure to their setae may cause an allergic reaction called carpet beetle dermatitis. It’s unusual to find them around your bed unless it’s right underneath or next to a window.Ĭarpet beetle larvae look like fuzzy little caterpillars (they’re covered in hairs and bristles called “setae”) and primarily feed on carpets, clothing, and upholstered furniture. They are attracted to light and are usually seen near windowsills. It’s important to note that carpet beetles don’t bite humans or feed on blood like bed bugs do. Their antennae appear stubby and have a short club at the ends. Bed bugs don’t have these wing covers, so instead you should be able to see those horizontal sclerites on the back of a bed bug.Ĭarpet beetles also have shorter antennae than bed bugs. Carpet beetles have two large wing covers, or elytra, that meet at a line going down the middle. You can also tell carpet beetles apart from bed bugs by looking at the back of their abdomen. However, they’re typically more rounded and not as flat as bed bugs, with a hard shell characteristic of beetles. Black carpet beetles are harder to tell apart from bed bugs because they have a solid brown color and similar oval shape.This makes it easy to distinguish them from bed bugs. Varied carpet beetles and furniture carpet beetles usually have a mottled pattern of white, brown, and yellow markings covering their body.There are a few different species of carpet beetles you might encounter: They typically measure around 1/8–3/16 inch long (2–5 mm). In terms of appearance, carpet beetles have large, oval-shaped bodies and small heads. These beetles normally live outside, but they sometimes get into homes and their larvae will feed on carpets, clothing, and other animal-based materials. You don’t typically see baby cockroaches in the same places where bed bugs like to congregate (unless you have a habit of leaving food crumbs around your bed).Ĭarpet beetles are another common household pest that look similar to bed bugs. Lastly, cockroaches also have two stubby appendages called cerci that stick out from the rear of their abdomens, which bed bugs don’t have.įinding baby cockroach is usually an indication of a pretty serious cockroach infestation. They tend to hide in dark enclosed spaces near areas with food and water. They don’t have protruding, squared-off mouthparts between the antennae like bed bugs do. Bed bugs have wider oval-shaped bodies and short antennae.īaby cockroaches also have a wide head that’s rounded in the front. Unlike bed bugs, cockroach nymphs have narrow, somewhat pill-shaped bodies and long, thread-like antennae (often longer than their bodies). Before reaching adulthood, baby cockroaches are small, wingless insects with flat, reddish-brown bodies.Īppearance-wise, the main difference between bed bugs and baby cockroaches is the shape of their bodies and the length of their antennae. Baby cockroaches, also known as cockroach nymphs, sometimes look surprisingly similar to bed bugs in terms of size and color.
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