Wireworms. These slender, hard-bodied, wirelike larvae feed on corn kernel germ and hollow out the seed. The damage, typically, results in gaps in rows.
https://www.farmprogress.com/corn/can-you-identify-these-5-l...

White grub damage typically appears as stunted, wilted, discolored, or dead seedlings and/or as gaps in rows where plants fail to emerge.
https://www.channel.com/en-us/agronomy/early-season-insects-...

Wireworm feeding on roots and seeds may appear as bare patches or as stand reduction. Scout by doing plant stand counts throughout the field and comparing to the targeted plant stand. If there are bare patches, look for wireworms by digging around bare patches and sifting the soil.
https://www.cropscience.bayer.ca/articles/2021/key-seedling-...