In general, rapidly moving insects aren't plant pests. Shoo it off, then eat your berries.

Those could be mites; a lot of little bugs end up in many berry harvests. Most people just rinse and eat. Although raspberries are fragile, that is what I would recommend.

If the mites are causing damage to the canes or fruit, that may require spraying.

Picking early or late in the day will avoid most bumblebees.

Thanks Jean and Larry.

Last year, if we picked 100 raspberries, we had 20 of these little bugs hiding in the berries, etc. Finding each manually was hard, putting the fruit in the refrigerator did not kill them and rinsing wasn't 100% effective.

I may try a sulfur spray to see if that cuts down their numbers some.

Lime sulfur is typically used for mites at bud break in the springtime just when the overwintered adults become active again.

It the mites are ending up in the hollow raspberries, that would be difficult to rinse out.

Whatever it is should be identified before you start shooting at it. Possibly beneficial insects. Some are extremely tiny.

Jean, do you have suggestions of what they might be so I can do some research? The only thing that I found online so far that matches is spider mites.

I think I have figured out that these bugs are some form of sap beetle. We have a strawberry patch near the raspberries and have left overripe fruit to rot in the patch which must build up a population of sap beetles. They are small, black and fast moving. They don't die under water or if the raspberries are stored in the refrigerator. Has anyone dealt with these and sprayed for them? We will be be cleaning up the strawberry patch better this year to see if that helps.

I also get orange dust on the raspberries which is late leaf rust I believe.