2.5 IDs per obs was my guesstimate. If you upload your obs with your own ID, someone pisum? worked out it is 1.25 The ‘and a bit’ allows for obs that need discussion.
tiwane also likes to ID arthropods. Kindred spirits. 5 pixels is not happy - there would be a better way to use your ID skills. Arthropods in the Ukraine those look worth picking over for what interests you?