There are more species of beetles in the world than any other insect or animal. They are found across the globe. Many species reside in Michigan, some of which are beneficial and others that tend to be pests. Michigan beetles are diverse and varied, exhibiting attributes held by different beetles around the world.
Michigan beetles come in a variety of sizes, though few are overly large. Take the emerald ash borer, for instance. Adults of this species grow to only one-sixteenth of an inch long. Four times as long, at a quarter of an inch, is Hungerford's crawling water beetle. The lady beetle species in Michigan are also very small. The larger ones are the Asian lady beetles, which grow between 4 and 8 millimeters. Small black lady beetles are only about 1 1/2 millimeters.
In the same way Michigan beetles vary in size, so do they vary in appearance. Lady beetles are round with a domed shell, split down the middle, which opens apart to reveal wings underneath. The twice-stabbed lady beetle is all black with two red spots. The Asian lady beetle has a black head and an orange or light red body covered in black spots. Emerald ash borers have an elongated, dark green body with light yellow or gold markings near the head.
Beneficial Beetles and Pests
Some beetles, like the lady beetles in Michigan, are beneficial. The twice-stabbed lady beetle was purposely imported from Korea as a biological control agent for euonymus scale. Asian lady beetles were brought in 1916 to control various pest species, too. They feed on mites, aphids, scales, mealybugs and various soft-bodied insects. At the opposite, pest of end of the scale is the emerald ash borer. Beginning around 1997 or so, these insects found their way into Michigan and since then have destroyed millions of ash trees in at least six southeastern Michigan counties.
Asian lady beetles are some of the most common in Michigan. Since they were brought to the United States, they have flourished throughout the country. They tend to overwinter in homes and are a common sight in rural and urban locations. Bathrooms, kitchens and bedrooms are likely places to find them. Hungerford's crawling water beetle, on the other hand, is not only one of the rarest beetles in Michigan but one of the rarest animals in general. They live in cold, clear streams and are known to populate only two sites in northern Michigan in addition to one site in Ontario.
- Photo Credit Jupiterimages/Photos.com/Getty Images
Poisonous Spiders & Insects in Michigan
The insects and arachnids that live in Michigan gardens rarely pose a serious threat to healthy adults, but some species are potentially...
How to Identify Spiders in Michigan
Spiders are one of the most common arachnids in the world and if you live in Michigan you might be concerned with...
How to Keep Beetles Out of My House
Fall is a popular time of year for beetles to start moving indoors in an attempt to escape the increasingly cooler weather....
How to Identify Flying Insects & Beetles in Michigan
A large number of flying insects are found in Michigan, including various beetle species, wasps and hornets, butterflies and dragonflies. Many insect...
Large Black Beetles Found in Pennsylvania
Pennsylvania has a diverse landscape of urban, suburban and farmland habitats. Within the insect microcosm, black beetles live and feed on leaves...
Common Insects in Michigan in July
Anybody who has visited Michigan during the summer will know that flies and insects can be a nuisance. Through July, stinging flies...
Types of Wasps in Michigan
Michigan's wasps seem to suffer from a serious PR problem. They are frequently confused with bees in the garden, are greeted with...
Types of Beetle Bugs
According to the Cirrus website, one-fourth of all animals on Earth are beetles. Beetles, which belong to the order Coleoptera which means...