Examples:
(1) Lonomia oblique: in Southern Brazil and Northern Argentina
(2) Lonomia achelous: in Venezuela and Northern Brazil
Clinical features:
(1) casual skin contact with a caterpillar
(2) onset of pain and a burning sensation at the site of contact
(3) onset of a hemorrhagic syndrome with purpura, hematomas, hematuria, intracerebral hemorrhage, bleeding from superficial wounds, etc.
(4) intravascular hemolytic anemia
(5) acute renal failure requiring hemodialysis
Patients with severe intoxications may die.
Laboratory findings:
(1) prolonged PT, PTT and thrombin time
(2) decreased fibrinogen
(3) decrease in plasminogen
(4) decrease in factor XIII
(5) increased D-dimer and fibrin degradation products (mild DIC)
(6) increased fibrinolytic activity
