unknown manace insect

unknown manace insect

Observation - unknown manace insect. Description: it may be a minor crop pest because my room is present near a crop field. it bites very bad. you can't feel it first because most of the time it bites while you are asleep. it nay bite in response to defence. its larvae are in a cocoon like structure atta

it may be a minor crop pest because my room is present near a crop field. it bites very bad. you can't feel it first because most of the time it bites while you are asleep. it nay bite in response to defence. its larvae are in a cocoon like structure attached with the wall. the cocoon is very small in size and grey in colour. adult may be reddish brown with black or it can be just black. sometimes wings are observed sometime not. most of the time it creeps around.