It can be several factors ranging from body heat to the color of clothes they are wearing.
Summer has lots of bugs.
Bug Spray
Water bugs don't bite.
Multiple bites from bed bugs will not cause swolen lymph nodes. However, a small fraction of people bitten will turn out to be allergic to the bite.
I suspect that everyone gets bitten by bed bugs, but the bites only get inflamed on people who have an allergy to their saliva. Otherwise, the bites are unnoticeable.
Some people do not itch when bitten by mosquitoes or other bugs. It depends on if the person is sensitive to the saliva of the bug.
if switching rooms too, yes
There are several bugs that bleed when they are smashed like flies and bed bugs. Ticks also bleed, but if they have bitten a host, they will release both their own blood and that which they ingested from said host.
Bed bugs have the same effect on any child and adult - they bite you. Most people will get bitten and have itchy welts on their skin. Bed bugs are not known to transmit any diseases, but occasionally individuals can have very bad allergic reaction to bed bug bites. If you suspect bed bugs in your house, I suggest you cover your mattresses and find an exterminator in your area.
Multiple bites from bed bugs will not cause swolen lymph nodes. However, a small fraction of people bitten will turn out to be allergic to the bite.
it means that your swimming pool as not been cleand the bugs are posionus my son got bitten and had to go to hospital from phobe age 31
If you don't feel the bite, you won't. Even if you got bitten in the doctor's office the bug might have been on your clothing when you left your house.