Def looks like a bug bite not spider those r pretty easy to see the 2 puncture spots in the bite most likely a mosquito or even another bug but she should be OK just keep an eye on it even use a marker or something to mark the edges of the redness so u can easily tell if it's getting bigger or spreading from there if it doesn't get smaller by tomorrow or she starts exhibiting other symptoms go to the Dr and get it checked right away don't use any bug creams or anti itch creams or nothing cuz that could make it worse being a newbie n all lol 😉 u got this momma
My son had something like this on his 12 month checkup after shots. I would take a marker and drawl around it to see if it gets bigger or goes away or take a picture and compare them every day
Looks like an insect bite but could be any of the insects you named, really no way to know I don't think.