Skip to main content

Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

cobweb spider

cobweb spider (Phoroncidia americana)
Photo © Hank Guarisco

Features and Behaviors

FEATURES
This tiny species varies from five one-hundredths to seven one-hundredths of an inch in length. The body is compact and hard. The abdomen is brown and lumpy and has dark-colored pits at the base of its hairs. Legs are pale with dark bands.

BEHAVIORS
Adults are active from May through September. The web is made of a single line of sticky silk. The spider hangs from the end of the line.

Illinois Range

Taxonomy

Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Family: Theridiidae

Illinois Status: common, native