The picture displays a female tick,they are bloodsuckers and can make you ill, Lyme disease,if you see a bullseye ring around bite mark ,see parmacy for anti biotics' Male ticks are smaller black in appearances,put a thumbnail on them and crush it,makes a crunching sound as its shell is broken,the female will squirt blood
No need for anything but tick /flea powder,its a fine talc,perfumed too in some brands,light dusting everywhere,keep it down it dissipates rapidly,dust yourself down too,if its those virt imposs to see bedbugs ,works quickly