yes the flour you just bought has weevils or beetles in it. How to get rid of those little suckers before they hatch and ruin everything in your house! Freeze them and then sift them out. Even if you have flour that now has live weevils you can just sift them out and still use the flour.

Does that freak you out? if so, then you do NOT want to read how much bug/animal/rodent detritus is allowed in your food...you can read about it here: http://foodsafetytrainingcertificatio...
or
https://www.fda.gov/food/ingredients-...

you can find fine mesh strainers at thrift stores, estate sales or new (here is an Amazon Link they are inexpensive) https://amzn.to/4bPBDOE