Spiders of the Samara region: poisonous and safe

What poisonous spiders can be found in the Samara region

On the territory of the Samara region there are a number of dangerous representatives.

Spider-cross

Krestovik.

Genus of crosses widely distributed in Europe and Asia. In Russia, there are about 30 species of representatives of this family. The body length of the largest individuals can reach 4 cm. Their distinguishing feature is a cross-shaped pattern on the back.

The toxin that spiders produce is dangerous for many small animals. People bitten by this species may experience the following symptoms:

Spider-Silver

Silver spider.

This type of arthropod is also called water spiders. They are the only arachnids in Russia that live underwater. Silver spiders are often found in the following regions of the country:

• Siberia;
• Caucasus;
• Far East.

The body length of water spiders does not exceed 12-15 mm. They equip under water a cocoon of cobwebs in which a kind of air pocket is formed.

Silver spiders are not aggressive and rarely bite people. Their venom is not dangerous and can only cause pain and slight swelling at the bite site.

Agriope Brünnich

Agrioppa.

Representatives of this species are also often called wasp spiders and zebra spiders because of their characteristic striped coloration. They are most often found in the southern regions of Russia. Less commonly, Agriopa can be found in the middle zone of the country, but these individuals have been seen in the Samara region.

The length of adult females of this species is about 15 mm. They are not aggressive towards humans, but in self-defense they can bite. The bite of a wasp spider can only be dangerous for young children and allergy sufferers. In an adult, Agriopa's venom causes the following symptoms:

South Russian tarantula

This member of the wolf spider family is often called mizgiryom. Representatives of this species are quite large. Females can reach 3 cm in length. The body is reddish-brown in color and covered with many hairs. The venom of the mizgir is not fatal to humans, but its bite can be very painful. The consequences of a bite for an adult, healthy person can be:

• sharp pain;
  

  Mizgir tarantula.

• severe swelling;
• redness;
• itching;
• burning.

Steatoda

False black widow.

Representatives of this genus of spiders are often called false black widows. This is due to the relationship of these species and their external similarity. Steatodes widely distributed in the Caucasus and the Black Sea region. The body length of these spiders does not exceed 10-12 mm. On the back of the steatoda there is a characteristic pattern of spots of white or reddish color.

The bite of this species of spiders is not fatal, but can cause unpleasant symptoms such as:

black eresus

Eresus spider.

Another popular name for this species of arachnid is black fathead. Their habitat covers the territory of the country from Rostov to Novosibirsk region. The body length of black eresus is 10-16 mm. The back of the spider is bright red and decorated with four black spots, which makes black fatheads look like ladybugs.

For humans, this type of spider does not pose a serious danger. The consequences of a bite of a black eresus for a healthy person are pain and swelling at the site of the bite.

Heyracantium

Yellow sack.

Representatives of this species are also called yellow-bag piercing spiders, bag spiders, yellow sacs or bag spiders. They got their name from the habit of attaching cocoons with eggs to tall grass stalks.

Cheyracantiums are small in size. Their body length does not exceed 1,5 cm. This species is known for its aggressiveness and often bites people. Their venom is not fatal, but in a healthy adult it can cause the following symptoms:

Karakurt

The spider is karakurt.

Karakurt belongs to the genus of the infamous black widows. The length of its body does not exceed 3 cm. A distinctive feature of this species is the presence of 13 red spots on the abdomen.

This type of spider is one of the most dangerous in the world. In the event of a bite from this species of spider, you should immediately seek medical attention. The consequences of a karakurt bite can be:

There are many deaths among animals and people bitten by karakurt, therefore, in case of a bite, it is necessary to immediately introduce an antidote and begin treatment.

Conclusion

Most spiders living in Russia do not pose a serious threat to people, moreover, these eight-legged neighbors rarely show aggression and bite only in self-defense. Therefore, representatives of this order of arthropods cannot be considered enemies of man. And the benefits that they bring, destroying a huge number of harmful insects, can hardly be overestimated.