Bobert says - butterfieas of all kinds.. Those samll white ones the usually fliiter in pairs

One must be very careful about those small white ones.

A few years ago in the Seattle area I encountered a fellow employee who had just received a notice from the State Ag Department that her horse pasture had "tansy" growing in it. In Washington State, "tansy" is classed as a "noxious weed" and she was ordered to destroy it immediately or face a fine of $10,000 or more.

As this was the third consecutive year in which she had received the same notice, she indicated that she was waiting for the inevitable and expected notice from the US Forestry Service which would (based on two prior such notices) inform her that "tansy" is the preferred food and nesting place for "an endangered little white butterfly" that was entering its breeding season; and that any failure on her part to protect her "tansy" would result in a fine of $40,000 or more.

You may have avoided inadvertent reduction of habitat for incredibly valuable wildlife.

John