''Tityus discrepans'' is a species of scorpion found in northern and north-eastern

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...

Description and behavior

''Tityus discrepans'' can grow up to 71 mm (males) and 60 mm (females), has a reddish-brown body and pedipalps, and light legs, juveniles can be light yellow-brown, with the rest of the body with black areas. Like several scorpions, it has nocturnal habits, feeds on spiders, forks, cockroaches, butterflies and has even been noted to prey on other scorpions. It is a solitary animal, meeting other members of its species only during the mating season.

Range and habitat

''Tityus discrepans'' is found in

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Suriname Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in ...

, Guyana and

Trinidad and Tobago Trinidad and Tobago (, ), officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean. Consisting of the main islands Trinidad and Tobago, and numerous much List of islands of Trinidad and Tobago, small ...

, inhabits wooded areas, under leaves and rocks,

orchids Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

, bromeliads, cracks and bark. This species also occurs in human habitations, where it has already been reported on sheets, clothing and shoes.

Reproduction

Reproduction can occur at any time and several times a year, the way of reproduction is sexual, the male performs a dance, where it immobilizes the females and takes her to where he deposited the sperm cell (sperm bag). The female can produce 15-30 cubs, which are born fully developed, and are located on the mother's back.

Medical significance

''Tityus discrepans'' is considered a serious public health problem in Venezuela, being dangerous for all ages, especially children and the elderly, the sting of this species can result in

piloerection Goose bumps, goosebumps or goose-pimples are the bumps on a person's skin at the base of body hairs which may involuntarily develop when a person is tickled, cold or experiencing strong emotions such as fear, euphoria or sexual arousal. The f ...

dyspnea Shortness of breath (SOB), also medically known as dyspnea (in AmE) or dyspnoea (in BrE), is an uncomfortable feeling of not being able to breathe well enough. The American Thoracic Society defines it as "a subjective experience of breathing disc ...

, excessive

salivation Saliva (commonly referred to as spit) is an extracellular fluid produced and secreted by salivary glands in the mouth. In humans, saliva is around 99% water, plus electrolytes, mucus, white blood cells, epithelial cells (from which DNA can b ...

cramps A cramp is a sudden, involuntary, painful skeletal muscle contraction or overshortening associated with electrical activity; while generally temporary and non-damaging, they can cause significant pain and a paralysis-like immobility of the aff ...

fever Fever, also referred to as pyrexia, is defined as having a temperature above the normal range due to an increase in the body's temperature set point. There is not a single agreed-upon upper limit for normal temperature with sources using val ...

and

vomiting Vomiting (also known as emesis and throwing up) is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. Vomiting can be the result of ailments like food poisoning, gastroenteri ...

. In severe cases,

heart failure Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome, a group of signs and symptoms caused by an impairment of the heart's blood pumping function. Symptoms typically include shortness of breath, excessive fatigue, ...

pulmonary edema Pulmonary edema, also known as pulmonary congestion, is excessive liquid accumulation in the tissue and air spaces (usually alveoli) of the lungs. It leads to impaired gas exchange and may cause hypoxemia and respiratory failure. It is du ...

and

pancreatitis Pancreatitis is a condition characterized by inflammation of the pancreas. The pancreas is a large organ behind the stomach that produces digestive enzymes and a number of hormones. There are two main types: acute pancreatitis, and chronic p ...

occur. The venom of this species is composed of 80 types of toxins, 6 of which are Bactridines, which inhibit the sodium channels in the nervous system,Díaz, P., D'Suze, G., Salazar, V., Sevcik, C., Shannon, J. D., Sherman, N. E., & Fox, J. W. (2009). Antibacterial activity of six novel peptides from Tityus Discrepans scorpion venom. A fluorescent probe study of microbial membrane Na+ permeability changes. Toxicon, 54, 802-817
doi: 10.1016/j.toxicon.2009.06.014
/ref> and 10 of which are considered dangerous to humans, due to their low molecular weight, it travels quickly through the bloodstream and attacks the

heart The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon diox ...

lungs The lungs are the primary organs of the respiratory system in humans and most other animals, including some snails and a small number of fish. In mammals and most other vertebrates, two lungs are located near the backbone on either side of ...

and

pancreas The pancreas is an organ of the digestive system and endocrine system of vertebrates. In humans, it is located in the abdomen behind the stomach and functions as a gland. The pancreas is a mixed or heterocrine gland, i.e. it has both an en ...

References

{{Taxonbar, from=Q3529764 discrepans Scorpions of South America