Bread beetles

Also known as biscuit beetles or drugstore beetles, these insect pests feed on a variety of foods. They have been known to eat bread, cookies, spices, books, leather, and even medicines and drugs. Female bread beetles may lay as many as 75 eggs at a time.

Christmas beetles

These scarab beetles appear in large numbers around December, when it is summer in their native Australia. Having two front legs of different lengths gives them a better grip on their preferred food_; eucalyptus leaves.

Blister beetles

Ali beetles are poisonous, but blister beetles are especially dangerous to horses and livestock. During summer, striped blister beetles swarm together to feed on alfalfa hay. A few of them gobbled down in a single clump of hay can be enough to kill a horse.

Sexton beetles

These scavengers feed on rotting animal flesh. They have special sensors that can sniff out the body of a dead mouse from morę than 0.6 miles (1 km) away.

Bark beetles

When these pests borę into the wood of elm trees, they spread a fungus known as Dutch elm disease. The fungus has wiped out huge numbers of elms in Europę and North America.