Appearance. The great black wasp is a very large wasp species, as its name infers. This wasp is black, mono-colored and without colored stripes, spots or other noticeable patterns on the body. Adult females of the species reach about 1-1 Â½ inches long and are a little larger than the males.ehavior, Diet & Habits. The commonly considered distribution of this wasp is the eastern 2/3 of the U.S. Great black wasps are not aggressive due to the fact they do not have a colony to defend and are categorized as solitary wasps.
Sudden drops in blood pressure can be life-threatening. Causes of this type of hypotension include: 1  Loss of blood from bleeding. 2  Low body temperature. 3  High body temperature. 4  Heart muscle disease causing heart failure. 5  Sepsis, a severe blood infection. 6  Severe dehydration from vomiting, diarrhea, or fever.
This happens when blood pressure drops rapidly during changes in body position â usually when changing from sitting to standing â inducing classic signs that the blood pressure is too low, like dizziness, blurry vision, and fainting. Other important causes of low blood pressure include: 1  Heart problems that cause low heart rate, diminished heart strength, or a decrease in the amount of blood supplied to the body.  Normal changes associated with the first and second trimesters of pregnancy.