Female beetles lay eggs, which hatch into larvae within 7-10 days. Meanwhile, beetles undergo complete metamorphosis, which means they pass through four life stages – egg, larval, pupal, and adult. These eggs hatch into nymphs usually from 20 to 60 days. Each egg capsule can contain 15-50 individual eggs. Female roaches lay a dark-colored, bean-sized egg case called ootheca. Life CycleĬockroaches undergo incomplete metamorphosis, which means they pass through three life stages – egg, nymphal, and adult. Here are the major differences between a cockroach and a beetle. Their life cycle, eating habits, behavior, and habitat are also not the same. But if you place them beside each other and will close closer, they don’t have the same physical appearance. What Is the Difference Between a Cockroach and a Roach?Īt first glance, some beetle species can be mistaken for roaches. Immature beetles are called larvae, which are worm-like grubs with true legs. Each foot has a pair of short but sharp claws and seems to be bending towards its body. Although most beetle species can fly well, some are flightless because their veinless and hard forewings meet and are fused to their bodies.Īll beetle species have compound eyes in front of their head and six short legs that have no hard spikes. They also have a hard head and two pairs of wings. Beetles have short antennae and chewing mouthparts, but some have huge piercer jaws.īeetles have cylindrical, segmented bodies, wherein you can easily notice the separation between their head and thorax. Some beetle species have stripes or marks or a combination of colors. They can be black, blue, brown, gold, green, orange, or red, and usually have bright colors. Related: What Is a Cockroach? | Information and Facts Beetle Identificationīeetles also come in different sizes, depending on the species. When viewed from above, their heads are somehow hidden. Their abdomen has 10 noticeable segments, while their head is covered with a big shield structure called pronotum. In short, there is no visible gap between their head, thorax, and abdomen. Roaches can easily be identified through their full-body wings. Most females are wingless or have very small wings and cannot fly. Their forewings called elytra serve as a protective covering for hindwings. Male adults have two pairs of wings, but only a few of them can fly. Young roaches (or nymphs) look the same as the adults, except that they are smaller and have no wings. Adult roaches can grow between 1/2 inch and 2 inches (12.7 and 50.8 mm) long. All roaches have compound eyes, long antennae, six spiny long legs, and flat, oval bodies covered with a hard shell (or exoskeleton). How to Prevent Serious Beetle and Cockroach Problems?Ĭockroaches can be black, brown, or reddish-brown and come in different sizes, depending on the species.Are Beetles and Cockroaches Poisonous to Dogs?.Is There a Beetle That Looks Like a Cockroach?.What Are the Distinct Similarities Between Beetles and Cockroaches?.What Is the Difference Between a Cockroach and a Roach?.
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