AppearanceBody length (excluding legs) of adult female ranges from 7-10 mm; adult males range from 5.5-6 mm. Total of eight eyes. When viewed from the front, arranged in two horizontal rows of four; each row slightly procurved and each eye relatively small and equal in size.
DistributionU.S. and Canada, typically close to the ground, under rocks and logs, or in leaf litter, but is also occasionally found on (or in) buildings.
ReproductionEgg sacs are white and shaped like a flattened disk that is plastered to a surface. Montgomery (1909) notes that they contain relatively few eggs (two sacs had only 8 eggs each, and three sacs had 9).
FoodPrey is any insect or other arthropod that the spider is able to run down and subdue.
Some text fragments are auto parsed from Wikipedia.http://www.spiders.us/species/castianeira-longipalpa/