Especially the beneficial pollenators...
We didn't see many pollenators in our garden - no bees to speak of until the beans started flowering, then we got some bees coming by.

We live in the suburbs outside DC, all it takes is a few neighbors treating their yards with pesticide to crash the local populations. We try to use only treatments harmless to beneficial insects- we are not 'organic' but at least try to do no harm.

I just applied ~7,000,000 beneficial nematodes to our dirt, and in a few minutes I will follow up with another 3,000,000... I cant say with %100 certainty they make a huge difference, but our first year of gardening we were plagues with SWARMS of flea beetles and other beetles- and the next year I used the nematodes and had nearly none. The nematodes travel down through the dirt looking for larvae of pests, burrow into them through their various orifices and inject a bacteria that kills and liquifies them ... If only they made something that worked like that on people.... (looking at Putin). Whether they work on pests or not, they certainly do not harm earthworms...