That may explain why. Click picture for larger view. Male Hobo side view. Only the male Hobo spider is venomous. Both male and female Hobo's can deliver a venomous bite.
Males tend to be more toxic.
The Hobo spider has a three-year life cycle. This is supported by confirmed juvenile catches. The Hobo spider has greater year round activity inside homes than previously thought. This is further supported by bites during the off mating season months, November to May, from juveniles. The juveniles bite is often more toxic than adults.