American House Spider
( Parasteatoda tepidariorum )


2011-0404-EB060704-ARA00684-Parasteatoda_tepidariorum[1247h01s,T,A,eggsac]{MDame}-G.jpg

PHOTO COMMENT

IDENTIFICATION
Identification:Parasteatoda tepidariorum
(C. L. Koch ,1841 )
Common Name:American House Spider
Life Stage:(A) adult

PHYLOGENY

Phylum:Arthropoda
Class:Arachnida
Order:Araneae
Family:Theridiidae
Genus:Parasteatoda
Taxon Code:ARA00684
ITIS/TSN:864144

LOCATION DETAILS
Location Name
Black Diamond Mines Regional Preserve, Black Diamond Mines Regional Preserve, Black Diamond Mines Regional Preserve, 5175 Somersville Rd., Antioch
County:Contra Costa County
ECI Site#:CAEB060700
Open Space Location:Black Diamond Mines Regional Preserve

RECOGNITION
Description
The egg sacs (above) are completely diagnostic of tepidariorum.

BIOLOGY
Development
Egg sacs are teardrop-shaped, brownish and papier mache-like and are completely diagnostic of P. tepidariorum.

CREDITS
Photographer
Mike Dame
Insect Sciences Museum of California

References
ITIS.


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