As an expert in entomology, I can tell you that the belief in ladybugs bringing good luck is a cultural superstition rather than a scientific fact. The "Orange ladybugs" you're referring to are likely the Hippodamia convergens, also known as the convergent lady beetle or the yellow ladybug. Like other ladybugs, they are beneficial insects, known for their voracious appetite for aphids and other pests, which can be a boon for gardeners and farmers.

In many cultures, ladybugs are considered symbols of good luck, prosperity, and fortune. This belief may have originated from their beneficial role in agriculture, where they help control pests. However, it's important to note that this is a cultural perception and not a scientifically proven phenomenon.

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Meet the Asian Lady Beetle. Ladybugs are the subject of nursery rhymes and are considered a good luck symbol by many. These beetles usually considered to be beneficial insects because they feed on plant pests and they live outdoors. ... Unlike its docile relative, this orange ladybug can be aggressive and bite.read more >>