What is another word for Genus Corydalus?
Pronunciation: [d͡ʒˈɛnəs kˈɔːɹɪdˌaləs] (IPA) 
Genus Corydalus is a group of insects that belongs to the family Corydalidae. This group is often called "dobsonflies," but they are also known as "hellgrammites," "helgramites," and "thunderfly." These insects are recognized by their large size and massive mandibles, which give them a threatening appearance. Amongst anglers, they are often used as bait for fishing, while in some cultures, they are considered as symbols of good luck. Despite their intimidating appearance, dobsonflies play a vital role in maintaining ecological balance. As predators of other insects, they help control the population of pests that can damage crops.
