Beetles, Weevils & True Bugs

Beetle (Photo credit: Frauenfelder)


Beetles are an order of insects, which contains more species than any other order, in the animal kingdom. The insect order of beetles, constitutes nearly 25 percent; of all known life-forms.

Although The general anatomy of a beetle is quite uniform, the appearance and functionality of specific organs and appendages can vary, between the many families in the order. Like all insects, the beetle’s body is divided into three sections: the head, the thorax, and the abdomen. Beetles have a wide distribution, and are found in almost all habitats, with the exception of sea or polar regions.

There are some species of Beetle that have been awarded the distinction of pest, such as the Colorado potato beetle, the boll weevil and the Carpet beetle, because they repeatedly create insect control problems; when they invade and destroy household items and agricultural crops. It is important to note however, that some species of Beetles, like the ladybug and Soldier beetle, are widely considered beneficial insects; and are actively encouraged by gardeners.

The most common U. S. beetle invaders are:

Weevil (Photo credit: joshuallen)



A weevil is a small species of beetle, usually measuring less than a 1/4 of an inch, and are herbivorous. The first weevil (sweet potato) was discovered in the United States in 1875. After that, the boll weevil entered Texas about 1892 (in the vicinity of Brownsville) and the alfalfa leaf weevil was first discovered in Utah, in 1904.

Many weevils are considered agricultural pest control problem, because they are damaging to crops. The grain or wheat weevil is known to damage stored grain and the boll weevil attacks cotton crops. Inside homes, weevils are most likely to be seen, when a bag of flour is opened. As well, weevils are often found in dry foods, that include nuts and seeds, cereal and grain products.

Common Weevils include:

True Bugs

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