I once heard that black dogs in dreams represent the devil and that if you dream of them it could mean you are headed in the wrong direction in life. Since the dog bit an employee it could have meant it was time to get rid of her.
As for your son shooting the dog that could just be your own imagination.
My allergist was certain that I have toxic, rather than allegic reactions, to black fly bites. So, yes, people can have toxic reactions to black fly bites.
yes
Scorpion
No, I have not experienced any symptoms of little black bug bites recently.
One disease spread by flea bites was called Black Death.
A black Pegasus, for one, though it only bites in defense or when it's eating, and mostly they're white.
Yes
potters are killing black rhinos for there horns and they will sell them for money
stronger. baby spider bites are stronger than adults.
Bard shoots Smaug with his black arrow.
I suggest you go to a doctor
It means you need a therapist.