It is no secret that Australia is home to more than 500 species of spiders. One the most common is the Badumna insignis. Also known as the black house spider, they can inflict a nasty, toxic bite that is best avoided whenever possible. Otherwise, you could end up with gastrointestinal disturbances, excruciating muscle cramps, shortness of breath, debilitating headaches and a body drenched in sweat.
Here’s how to tell if one has wandered into your home or business:
The adult spiders differ from other species in their appearance, preferred habitat and behaviors. For the most part, they have seemingly velvet clad bodies that are 9 to 20 mm long. The males are generally smaller than the females, but no less intimidating. Each one has eight eyes, which are divided up into two rows. However, they are known not to see very well. So you can count on the house spiders to rely a lot on vibrations to complete their daily activities.
Both genders have an overwhelming tendency to create funnel shaped webs out of cribellum silk that are 35 cm or less in width. The extremely sticky webs, by the way, are often found in interior window sills, doorways and crevices. They may also exist near exterior porch lights and other areas that are at least partially sheltered from the elements. Because they are so sticky, and are so often inhabited 24/7, they can be hard to remove without suffering a bite.
In general, the B. insignis tend to create their egg sacs in the spring. As such, the offspring typically reach adult size during the summer months. During their lifetimes, they like to dine on a number of things. Among them are moths, flies, ants, beetles and bees. That’s partially why home and business owners will frequently find the spiders’ webs near lights and other items that may attract an abundance of prey.
To find out more, please contact us at Compass Pest Management and ask about having black house spiders removed from your home or business.