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The toxicity of the venom of the Maricopa harvester ant is well known. Its LD 50 value is 0.12 mg/kg (injected intravenously in mice); 12 stings can kill a 2-kg rat. In comparison, the LD 50 of the honey bee is 2.8 mg/kg—less than one-twentieth as strong. In humans, a Pogonomyrmex sting produces intense pain that can last up to four hours. [3 ...
Standing still however may cause the cougar to consider a person easy prey. [5] Exaggerating the threat to the animal through intense eye contact, loud shouting, and any other action to appear larger and more menacing may make the animal retreat. Humans are capable of fending off cougars, as adult humans are generally larger.
The specific epithet of the ant, clavata, means "club-shaped". [2] The generic name, Paraponera, translates to "near-Ponera". [3] Because of its fearsome reputation, the ant has several Native American, Spanish, and Portuguese local names in different geographical areas; perhaps the best-known of these is the Venezuelan nickname hormiga veinticuatro (the "24 ant" or "24-hour ant"), referring ...
An unidentified Fresno County individual died of rabies despite treatment after probably being bitten by a bat, the first human case in the area in 32 years.
Saliva from an infected animal can also transmit rabies if the saliva comes into contact with the eyes, mouth, or nose. [1] Globally, dogs are the most common animal involved. [1] In countries where dogs commonly have the disease, more than 99% of rabies cases in humans are the direct result of dog bites. [11]
Leah Seneng, a 60-year-old California teacher, died from rabies after she was bitten last month by a bat that she found in her classroom.
The pavement ant is dark brown to blackish, and 2.5–4 millimeters (0.10–0.16 in) long. A colony is composed of workers, alates, and a queen. Workers do have a small stinger, which can cause mild discomfort in humans but is essentially harmless. Alates, or new queen ants and drones, have wings, and are at least twice as large as the workers ...
A few individuals are sensitive to the venom, and can, on rare occasions, die of anaphylaxis. [3] In a survey of 29,300 physicians in the United States of America (in 1989), reports of 83 fatalities were obtained. [4] Some fire ant attacks on humans confined to beds have also been noted; in some locations, fire ants can be a particular threat ...