Huh. I've got no explanation. I'm not even sure that these guys are supposed to be social creatures.
I thought it might be a sawfly, with which horntails are sometimes confused (so saith the internet), but... sawflies seem to look pretty different. And I haven't seen anything about sawfly aggression, either. So I'm doubting that's it.
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Date: 2008-07-30 03:16 pm (UTC)I thought it might be a sawfly, with which horntails are sometimes confused (so saith the internet), but... sawflies seem to look pretty different. And I haven't seen anything about sawfly aggression, either. So I'm doubting that's it.