an alternative to the "lynx effect"

Pant Y Sais Fen, sunday, I didn't notice that this Misumena vatia female had a tasty meal of Scaeva pyrastri let alone the male lurking around the rear end! Don't know if the males bring a meal (a whopper for him in this case) sneak up on an occupied female, or this is just coincidence.

Thank god for cameras, my powers of observation are pretty poor!