Friday Beetle Blogging: Scaphinotus Snail-Eating Beetle

scaphinotus5.jpg
Scaphinotus petersi - Snail-Eating Ground Beetle
Arizona

Ground beetles- the family Carabidae- are a spectacular evolutionary radiation of terrestrial predators. The elegant, flightless beetles of the genus Scaphinotus prefer snails and slugs.

scaphinotus3.jpg
photo details. TOP PHOTO. Canon 100mm f2.8 macro lens on a Canon 20D
f/18, 1/250 sec, ISO 100
inside a white box studio, illuminated with indirect flash
BOTTOM PHOTO. Canon MPE-E 65mm 1-5x macro lens on a Canon 20D
f/13, 1/250 sec, ISO 100
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…
Hololepta Clown Beetle (Histeridae) Arizona If Oscars were awarded for Most Aesthetically Pleasing Sculpturing on an Insect, hister beetles would make the short list. Especially Hololepta, which not only shows the trademark histerid shininess but also has a flattened, paper-thin body. Michele…

Snail eating beetle!? Smash it! Smash it!

But seriously, do you have any pictures of them while eating snails? I would like to know if & how they break snail shells.