If the subject is the wire, the bug may detract. But it gives a reason to take the picture right now. To me it confuses the story- how does barbed wire interact with insects? But heck, it makes me think. That is a good thing, and one that many images do not do.It's immediately clear to me that the primary subject is the wire and the secondary subject is the bug.
For me, that's not the question, though anyone that knows the answer to that question (I don't) might understandably feel different. Instead, for me it's all about the location of the insect that draws attention to the subject. There is only one other place in the frame that the insect's location would have been just as strong.how does barbed wire interact with insects?