Tityus obscurus

During the day it hides under stones, logs or loose bark, venturing out at night to hunt its prey, chiefly insects and arthropods.

[3] They are found in the tropical and sub-tropical forests of northern South America, mainly in the amazon rainforest of Brazil, French Guiana and Suriname.

[4] They have excitatory neurotoxins and cardiotoxins, symptoms already reported in humans include severe local pain, edema, profuse sweating, nausea, vomiting, spreading numbness, muscle twitch, convulsions, semicoma, somnolence, hallucinations, tachypnea, tachycardia, excessive drooling and prostration.

[7] Presumably, Tityus obscurus has been responsible for acute cerebellar dysfunction with neuromuscular manifestations in 58 patients in Santarém, Pará, Brazil.

Symptoms such as cerebellar ataxia, dysdiadochokinesia, dysmetria, dysarthria, dyslalia, nausea and vomiting where reported to last for up to two days.