Trimerotropis pallidipennis - Pallid-Winged Grasshopper - Arizona
Lens: Canon MP-E 1-5x macro lens
Body: Canon EOS 20D
Flash: Canon MT-24EX twin-flash, diffused through tracing paper
Settings: ISO 100, f/14, 1/250 sec
Fire ants aren't the only formicids that have to worry about parasitoid phorid flies. Many species are hosts to this diverse fly family.
Below are a pair of photos I took recently near Jujuy, Argentina showing a trio of an unidentified Pseudacteon species hovering over an ant nest. One of the…
Argentine ant (Linepithema humile) worker and queen
photo details: Canon MP-E 65mm 1-5x macro lens on a Canon EOS 20D
ISO 100, f/13, 1/250 sec, twin flash diffused through tracing paper
Two male Rhagoletis walnut flies joust on an artificial walnut in a lab cage at the University of Arizona. What's an artificial walnut? It's a painted ping pong ball. As long as the ball is the right color and shape, the flies apparently don't mind.
Biologist Jeremy Davis uses these flies to…