Trial and error, hypothesis and conclusion, memory and lore.
they had this thing they called a poison stick and all they did was you know poke the um thing and if there was any squishy or yellow stuff in or coming out of it they would know it was poisonous.
No, milkweed bugs are not poisonous to humans.
No lightning bugs are not poisonous to humans.
Yes, there are several species of poisonous bugs in Jamaica. There are all kinds of poisonous bugs known all over the world.
Yes, stink bugs do have a hard outside shell. The bugs are not poisonous.
June bugs are not poisonous. However, they do very severe damage to grass and plants by eating at them over summer.
No
They are not poisonous but they sting. The sting feels like a bee sting.
Yes, because of there bright colors.
stink bugs are rarelypoisonous some that have a disease are but no stink bugs are poisonous so that's all
No...
because light has poisonous and the lighting ha slight and light has poison