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Photographs from the archives. The nest belongs to common Polistes paper wasps. Paper wasps are supposed to produce a secretion that they spread on the petiole of the nest (the thin strand that fastens the nest to the substrate) to deter ant predators. Obviously the secretion failed this time. (The link takes you to a photograph [...] Did you figure out what the black ovals from the photograph in the recent Lasius post were? Although aphids give birth to live offspring during parts of their life cycle, they also lay eggs during certain stages. Those stacks of black ovals are root aphid eggs tended by Lasius ants. The following excerpt from Applied Entomology: An [...] If you have ever watched the ants in an ant farm, you have probably noticed ants sitting around seemingly doing nothing. This leads to the question: are the ants sleeping? Whether or not social insects sleep is a question that has gotten some definitive work in the bees. In fact, there are bees that are affectionately [...] I got a question from another entomologist this week: Do fire ants tend aphids? At first this seemed straightforward enough. Sure they do. It’s mentioned in the literature (see below). Although I couldn’t recall ever seeing our local Solenopsis xyloni tending aphids, we don’t get all that many aphids here. Delving a bit deeper, I decided to [...] |
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