As an aspiring entomologist (when I was younger) its very common. I would have put it in a jar when I got home and observed it but you have to know that insects

As an aspiring entomologist (when I was younger) its very common. I would have put it in a jar when I got home and observed it but you have to know that insects have very short lives and one in a polluted urban setting would not live long anyways. I think people conflate insects lifespans with mammals(which can be as long or longer than humans).