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Ladybird (Eresus sandaliatus)

The ladybird spider is a pretty spider from the velvet spider family. It lives in northern and central parts of Europe. Male spiders look a lot like ladybirds, and that’s how they got their fun name. Ready to know more about this colorful spider? We have some awesome facts to share!

Scientific Classification

Ladybird Spider

Physical Description and Identification

Adults

  • Size: Females are 0.39-0.62 inches (0.99-1.5 cm) and males are 0.23-0.35 inches (0.58-0.88 cm) long.
  • Color: The females have a jet-black body. On the other hand, the males appear orange-black, with four prominent and two small black spots. They even have black and white bands on their legs.
  • Other Characteristic Features: There is no white hair on the abdomen, nor any red ones on the leg.
Ladybird Spider Size

Eggs

Female ladybird spiders lay 35-40 eggs, wrapping them carefully in silk.

Spiderlings

After emerging from the eggs, hatchlings are fed on a special liquid provided by their mother. Interestingly, the female spider lets herself die by digesting her body parts. Then the spiderlings suck on the body to keep themselves well-fed. Male spiderlings develop into adults when they are three, while the females could take a year longer.

The Web

They make messy webs, sometimes even decorating them with the insect’s bodies that they prey upon.

Are Ladybird Spiders Venomous?

Yes, Ladybird Spiders have venom. They mainly use it to catch their tiny snacks.

Can Ladybird Spiders Bite?

They can bite, but they’re usually very peaceful. If they feel cornered or super scared, they might defend themselves with a bite. But most of the time, they’re just colorful and curious spiders!

Picture of Ladybird Spider

Photo Credit: Erland Nielsen

Ecological Importance and Behavior of Ladybird Spider

Ladybird Spiders are valuable predators in their habitats, feeding on a variety of insects, which helps in controlling pest populations. Their unique mating and reproductive behaviors, such as the self-sacrifice of the female for her offspring, highlight the complex life cycles within the arachnid world.

Natural Predators: Despite their venomous bite, Ladybird Spiders fall prey to larger insects, birds, and small mammals. Their survival is also threatened by habitat loss and changes in their environment.

Prey-Predator Dynamics: The venom of the Ladybird Spider is crucial for immobilizing prey, allowing these small predators to contribute to the health of their ecosystem by regulating insect populations.

Relationship with Humans: Ladybird Spiders, while venomous, are not aggressive towards humans and bites are exceedingly rare. They are often admired for their unique appearance but face threats from habitat destruction and the illegal pet trade.

Eresus Sandaliatus

Quick Facts

DistributionNorthern Italy, Southern Norway, and England
HabitatSouth-facing slopes that are sheltered
DietInsects
Web-typeMessy and no particular pattern followed
IUCN Conservation StatusNot Listed
Male Ladybird Spider

Photo Credit: Erland Nielsen

Did You Know

  • The British Red Data Book classifies it as endangered, thus this species has been receiving protection since 1981 under the Wildlife and Countryside Act.
Female Ladybird Spider

In summary, the Ladybird Spider is not only a species of aesthetic interest but also an ecological asset to its natural surroundings.

The ladybird spider is a pretty spider from the velvet spider family. It lives in northern and central parts of Europe. Male spiders look a lot like ladybirds, and that’s how they got their fun name. Ready to know more about this colorful spider? We have some awesome facts to share!

Ladybird Spider

Physical Description and Identification

Adults

  • Size: Females are 0.39-0.62 inches (0.99-1.5 cm) and males are 0.23-0.35 inches (0.58-0.88 cm) long.
  • Color: The females have a jet-black body. On the other hand, the males appear orange-black, with four prominent and two small black spots. They even have black and white bands on their legs.
  • Other Characteristic Features: There is no white hair on the abdomen, nor any red ones on the leg.
Ladybird Spider Size

Eggs

Female ladybird spiders lay 35-40 eggs, wrapping them carefully in silk.

Spiderlings

After emerging from the eggs, hatchlings are fed on a special liquid provided by their mother. Interestingly, the female spider lets herself die by digesting her body parts. Then the spiderlings suck on the body to keep themselves well-fed. Male spiderlings develop into adults when they are three, while the females could take a year longer.

The Web

They make messy webs, sometimes even decorating them with the insect’s bodies that they prey upon.

Are Ladybird Spiders Venomous?

Yes, Ladybird Spiders have venom. They mainly use it to catch their tiny snacks.

Can Ladybird Spiders Bite?

They can bite, but they’re usually very peaceful. If they feel cornered or super scared, they might defend themselves with a bite. But most of the time, they’re just colorful and curious spiders!

Picture of Ladybird Spider

Photo Credit: Erland Nielsen

Ecological Importance and Behavior of Ladybird Spider

Ladybird Spiders are valuable predators in their habitats, feeding on a variety of insects, which helps in controlling pest populations. Their unique mating and reproductive behaviors, such as the self-sacrifice of the female for her offspring, highlight the complex life cycles within the arachnid world.

Natural Predators: Despite their venomous bite, Ladybird Spiders fall prey to larger insects, birds, and small mammals. Their survival is also threatened by habitat loss and changes in their environment.

Prey-Predator Dynamics: The venom of the Ladybird Spider is crucial for immobilizing prey, allowing these small predators to contribute to the health of their ecosystem by regulating insect populations.

Relationship with Humans: Ladybird Spiders, while venomous, are not aggressive towards humans and bites are exceedingly rare. They are often admired for their unique appearance but face threats from habitat destruction and the illegal pet trade.

Eresus Sandaliatus

Quick Facts

DistributionNorthern Italy, Southern Norway, and England
HabitatSouth-facing slopes that are sheltered
DietInsects
Web-typeMessy and no particular pattern followed
IUCN Conservation StatusNot Listed
Male Ladybird Spider

Photo Credit: Erland Nielsen

Did You Know

  • The British Red Data Book classifies it as endangered, thus this species has been receiving protection since 1981 under the Wildlife and Countryside Act.
Female Ladybird Spider

In summary, the Ladybird Spider is not only a species of aesthetic interest but also an ecological asset to its natural surroundings.