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.
Heart problems. Some heart conditions that can lead to low blood pressure include extremely low heart rate (bradycardia), heart valve problems, heart attack and heart failure. These conditions may cause low blood pressure because they prevent your body from being able to circulate enough blood. 1  Endocrine problems.