photo details: Canon MP-E 65mm 1-5x macro lens on a Canon EOS 7D ISO 200, f/13, 1/250 sec diffuse twin flash
Posts Tagged ‘Ants’
Did Pheidole supermajors come before majors?
With all the recent attention devoted to Pheidole‘s apparently latent ability to produce supermajor workers at the drop of a hormone, now is an opportune time to mention Pheidole fimbriata. Pheidole fimbriata is, according to Corrie Moreau’s research, the single sister species to the remaining 1000+ in the genus. That is, the first thing to happen when Pheidole first [...]
Orb-weaving spiders have an ant problem
One measure of a predator’s ecological significance is the abundance of strategies prey adopt to avoid being eaten. And how ecologically significant are ants? They are enough of a problem to web-building spiders that the arachnids impregnate their webs with ant-deterring 2-pyrrolidinone: …ants are rarely reported foraging on the webs of orb-weaving spiders, despite the [...]
What’s the deal with Hairy Crazy Ants?
Several people have asked about recent news stories covering the “Hairy Crazy Ant” sweeping across the U.S. south. What’s the deal? (AP) NEW ORLEANS – It sounds like a horror movie: Biting ants invade by the millions. A camper’s metal walls bulge from the pressure of ants nesting behind them. A circle of poison stops [...]
Forest changes following a foreign ant invasion
And now some bad news. A new study by Mariano Rodriguez-Cabal in Biological Invasions appears to document an unfortunate effect of the ongoing Pachycondyla chinensis needle ant invasion: a decrease in wild evergreen ginger plants. Abstract: By disrupting the structure of native ant assemblages, invasive ants can have effects across trophic levels. Most studies to date, [...]
Friend or Foe?
The greatest enemies of ants are other ants- including members of the same species- so when these little insects encounter each other outside the safety of the nest they make a quick chemical assessment: nestmate or foreigner? Friend or foe? These tropical Dolichoderus workers apparently belonged to the same colony. After the greeting photographed above, [...]
A personal weblog by Illinois-based biologist and photographer Alex Wild.


















