As a food safety and nutrition expert, I can tell you that grubs, which are the larval stage of various insects, particularly beetles, are indeed consumed by humans in some cultures around the world. They are considered a good source of protein and other nutrients. However, it's important to ensure that any grub you consume is properly prepared and cooked to avoid any potential health risks, such as bacterial contamination or allergic reactions.

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Crickets, beetles, and grubs can be found under rocks. ... Grubs, worms, leeches, and beetle larvae have a slime factor that can cause a gag reflex and should be either swallowed without chewing, or mashed into a paste and cooked crisply. While most insects are O.K. raw, they are more palatable after being cooked.read more >>