The bowl and doily spider (Frontinella communis) is a species of sheet weaver found in North and Central America. It is a small spider, about 4 mm (0.16 in) long, that weaves a fairly complex sheet web system consisting of an inverted dome shaped web, or "bowl", suspended above a horizontal sheet web, or "doily", hence its common name. The spider hangs from the underside of the "bowl", and bites through the web small flies, gnats and other...