Theridion pennsylvanicum
Emerton, 1913
Theridion pennsylvanicum is a cobweb in the Theridiidae, described by Emerton in 1913. It belongs to the infraorder Araneomorphae, the true spiders. The is known from the United States and Canada. Like other members of Theridiidae, it constructs irregular, three-dimensional webs and possesses the -like on the hind legs characteristic of this family.

Pronunciation
How to pronounce Theridion pennsylvanicum: //θɛˈrɪdiən ˌpɛn.səlˈveɪ.nɪ.kəm//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Distribution
United States and Canada. Records indicate presence in North America generally, with specific documentation from both countries.
More Details
Taxonomic Note
Theridion pennsylvanicum should not be confused with Gryon pennsylvanicum, a in the that has been referenced in entomological literature regarding .
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- NCBI Taxonomy
- Catalogue of Life
- Encyrtid Holdings | Entomology Research Museum
- Gryon pennsylvanicum Archives - Entomology Today
- Bug Eric: Spider Sunday: Common House Spider
- Squash Bugs Still Making Growers Crazy After All These Years
- “Cicindelophilically” | Beetles In The Bush
- Bug Eric: March 2012