I belong to Haryana , India Sudden I found this type of insect in my classroom and it stung me suddenly because ,I felt itching in my hand for about 15 mins , so please tell me, is it poisonous or not and which type of Arthropod is it ? Characteristics:- Two horn like protrusions on its head ,
A stingy tail,
Eyes are not clearly visible,
Winged ,
1-1.5cm in size (Sorry for blurred image )