I believe the berries on most honeysuckle bushes (around here I've got Lonicera X Bella and Lonicera tartarica) are mildly poisonous to humans. Not deadly, *I don't think*, but enough to make you sick to your stomach. There may be a difference in between the invasive and native honeysuckles, but I don't know. Just make sure you get a positive ID and do your research. If it is deadly, please report back!