brachymyrmex
As if we didn't already have enough pest ants to worry about, here is a relatively new one.  The rover ant Brachymyrmex patagonicus, a tiny South American species, has been working its way under the radar across the southern United States.  Its presence is now large enough that pest control companies are reporting a sudden increase in requests.  According to gardeners I've talked to, these ants emerged in huge numbers here in Tucson about 5 years ago.  Given the interest in this species, I thought I'd post a summary of what we know of this emerging pest and how to reliably identify it.…
