Wolf spider

Facts about Wolf spider

We found 16 facts about Wolf spider

Not so venomous spiders

They are found in all climate zones except polar. Those active hunting spiders do not spin webs as they are active hunters.
Wolf spider
There are about 2400 wolf spider species divided into 124 genera.
Scientific name for the family is Lycosidae.
Wolf spiders originated after Cretaceous–Tertiary Extinction that killed 75% of living animals on Earth about 66 million years ago.
Most of modern subfamilies of wolf spiders appeared sometime between 41 and 32 million years ago.
They have rather inconspicuous appearance.
To get food, wolf spiders need to hunt and chase their victims. In order to succeed they require rather toned down camouflage that is appropriate to their habitat. That is why we won’t find any fancy color flashy spiders among that spiders family.
The many genera of wolf spiders range in body size from less than 10 to 35 mm (0.4 to 1.38 in).
They are excellent predators. They stalk their victims and pounce on them.
After catching a prey they often subdue it with venom.
Wolf spiders have eight eyes and two of them are really big.
They have their eyes arranged in three rows with big eyes in the middle one. Those big eyes reflect light very well so it's easy to spot wolf spider with flashlight pointed in its direction. Eyes are crucial for their hunting success so their vision is excellent. Their vision is the third-best across all spider groups.
Characteristic feature of wolf spiders is carrying egg sacs attached to spinnerets.
This is unique feature among spiders, no other species carry spiderlings on their back. Despite of additional encumbrance female wolf spiders are still capable of hunting while carrying her babies.
After conception female wolf spiders carry egg sacs for 20 to 40 days depending on species.

Before hatching female spiders are very aggresive, especialy when separated form egg sack which they seek furiously. After hatching they carry spiderlings on ther back till juveniles are ready to star their own lives.

Juvenile wolf spiders often disperse by air, that is why they are able to inhabit so many places.

They are solitary creatures.
Wolf spiders live a lonely life and are seen with other representative of their species only during mating season which occur in mid-summer.
They can be found in many habitats.
Wolf spiders can be found in woodlands, meadows, gardens, shrublands and man-made structures. They are very eager to enter buildings especially in autumn, when it gets colder outside.
Most active at night or during cloudy days they can travel long distance in search for food.
They are venomous but not dangerous to humans.
When you get bitten the place may swell and you will feel mild pain and itching. There are no evidence of wolf spiders causing necrotic wounds. Even South American and Australian species are not capable of causing such severe wounds.
Not all of them live in burrows.
Of course some wolf spider species dig themselves a burrow but there are many species of this spiders that just wander around looking for prey and never stay in the same place for long. There are also wolf spiders that build turrets or just use man-made shelters like sheds, barns etc.
Carolina wolf spider is the largest of all north American wolf spiders.
Adult females can reach as much as 35 mm in diameter while males barely reach 20 mm. They feed on insects and other small invertebrates.
Wolf spiders are beneficial to ecosystem.
Thanks to their hunting skills they are excellent pest insects exterminators. So if you spot wolf spider wandering around, don’t kill it, even if you find one in your home try to catch it and take outside.
Most of wolf spider species are not endangered.
Endangered are those adapted to single habitats like Desertas wolf spider that lives only in one single valley on Madera island in Portugal or Kauaʻi cave wolf spider that lives in few caves on Kauai island, Hawaii.
Hungry for more facts?

Latest topics

42 facts about Kyshtym disaster
42 facts about Kyshtym disaster
The first nuclear accident in Earth's history
Before information about it saw the light of day, the Soviets hid it for over 30 years. The explosion at the Mayak combine was the first nuclear accid ...
37 facts about Saint Petersburg
37 facts about Saint Petersburg
A city of many names
It was a dream and a matter of prestige for the Romanov dynasty to gain access to the Baltic Sea and build a metropolis to testify to Russia's emergin ...
32 facts about Peter the Great
32 facts about Peter the Great
The first Emperor of all Russia
Peter the Great is considered one of Russia's greatest rulers. He was a great reformer, strategist, and builder who was the first of the tsars to trav ...
39 facts about Dyatlov Pass incident
39 facts about Dyatlov Pass incident
Mysterious tragedy in the Ural mountains
The case of a group of students at the Ural Polytechnical Institute in Sverdlovsk continues to arouse great interest and raise many questions. A group ...
11 facts about Brooklyn Bridge
11 facts about Brooklyn Bridge
The first steel suspension bridge in the world
It is one of the oldest suspension bridges in the world. It connects Brooklyn with Manhattan, runs over the East River, and was completed in 1883. ...
31 facts about Brazil
31 facts about Brazil
South America's largest country
Brazil is the largest and most populous country in South America and one of the largest and most populous countries in the world. A former Portuguese ...
44 facts about Ghent
44 facts about Ghent
City of three towers
Ghent is one of Belgium's most visited cities by tourists. This beautiful old Flanders city combines dignity, beauty, culture, and creativity. It is a ...
31 facts about Thailand
31 facts about Thailand
A country on the Indochinese Peninsula
Thailand is an Asian country located in its south-eastern part, famous for its interesting culture and religious architecture. This exotic country, wh ...

Similar topics