In less than 50% of people bitten by a triatomine bug, characteristic first visible signs can be a skin lesion or a purplish swelling of the LIDS of one eye.

在被锥蝽臭虫叮咬的不足50%的人中，首先可见的典型体征可以是皮损或一侧眼睑青紫肿胀。