Forelius Flying

Yesterday's unexpectedly intense monsoon storms brought several inches of rain and flash floods to Tucson.  Many of our desert ants cue their mating flights with the onset of the summer rains, and this morning the Forelius were flying, congregating in dense swarms that twirled and twisted above the desert floor.

Males emerge from the nest, ready to go:

photo details: (flight photos) Canon 100mm f2.8 macro lens on a Canon 20D

ISO 100, f/2.8, 1/800sec exposure

(close-ups) Canon MP-E 65mm macro lens on a Canon 20D

ISO 100, f/13, 1/250sec exposure, twin flash diffused through tracing paper

More like this

Epicauta pardalis - spotted blister beetle Tucson, Arizona Here's a beetle so toxic it can kill a horse. The horse doesn't even need to ingest the beetle, it just needs to ingest something that the beetle bled on.  Blister beetles produce the defensive compound cantharadin- the active…
Megacyllene robiniae - Locust Borer Champaign, Illinois Goldenrod flowers are a magnet for late summer insects, and among the most spectacular attractions is the locust borer, a wasp-striped longhorn beetle.  They gather on the flowers to mate and to feed on pollen. Megacyllene larvae are pests…
Female (left) and male Sandalus niger Cicada Parasite Beetles Sandalus niger is one of the oddest beetles in eastern North America.  While most parasitic insects are concentrated in other orders- notably Hymenoptera and Diptera- Coleoptera contains relatively few parasites.  But there are a few…
Rose Aphids - Macrosiphum rosae Tucson, Arizona It's fair to say that without the encouragement of my mother, who allowed all manner of newts, snakes, caterpillars, tadpoles and ants into the house, I would not have gone on to become a biologist. Thanks Mom, and happy mother's day! photo details:…