insects important notes

Clinical importance of insects :

Pathogens they cause primary diseases by themselves

Vectors transmit other pathogens

Psychological effect act as source of phobia

Poisonous produce toxic substance to human tissue
Hemotoxic : like scorpion عقارب
Neurotoxic : like Tick-paralysis
Cytotoxic : cause necrosis at site of bite like black widow spider الأرملة السوداء
Anaphylactic shock : bees toxins