Printable PDF Click on images to see larger view. They can be pale yellow, brown, bright orange red, black or mustard in color. The spots can number from zero to
Harmonia axyridismost commonly known as the harlequinmulticolored Asianor simply Asian ladybeetleis a large coccinellid beetle. This is one of the most variable species in the world, with an exceptionally wide range of color forms. It is now common, well known, and spreading in those regions, and has also established in Africa and widely across South America.
Seeing Spots? Ever wonder which ladybug you are looking at? What does a "baby" ladybug larvae look like?
Outdoors, Asian lady beetles helpfully feed on plant pests like aphids and many others. From September to November, they move indoors to overwinter, crawling along windows and walls. Small cracks around windows and door frames provide entry points.
Large numbers of lady beetles ladybugs infesting homes and buildings in the United States were first reported in the early s. Ladybugs normally are considered beneficial since they live outdoors and feed on plant pests. Once inside they crawl about on windows, walls, attics, etc.
Harmonia axyridisthe Asian lady beetle, is native to the Oriental region, found in China, ranging to the far south Yunnan and Guangxi ProvincesJapan, Korea, Mongolia, and parts of the Palearctic region, from northern Kazakhstan, and eastern Russia west to the Altai Mountains and north to Siberia. It has been introduced to at least four other continents. Its range covers the majority of North America; it is found in Mexico, across the United States excluding Alaska and Wyoming and much of southern Canada.
Ladybugs go by several other names: lady beetles, ladybug beetles, and ladybird beetles. Regardless of what you call them, these beetles belong to the family Coccinellidae. All ladybugs progress through a four-stage life cycle known as complete metamorphosis.
Federal government websites always use a. The multicolored Asian lady beetle Harmonia axyridis is native to Asia but occurs in many areas of the United States. This beneficial insect was imported and released as early as in attempts to naturally control certain insect pests. But the first populations were not found in this country until in Louisiana near the busy port of New Orleans.
The time it takes for a ladybug egg to hatch and become an adult takes about 3 to 4 weeks depending on the weather conditions. The ladybug life cycle sure does happen fast! Ladybug eggs are very small, oval in shape and are a pale yellow color.