Where you can encounter a venomous spider: the spider won't crawl up…

Where you can encounter a venomous spider: the spider won't crawl up to a person on its own or bite them.

Consensus

Karakurts are migrating northward in Russia due to climate change.
Karakurts are native to southern regions of Russia, including the steppe and semi-desert areas of the Caucasus, Crimea, and the Volga region.
The spiders' venom is highly toxic and can be fatal to humans if untreated.
Karakurts do not actively seek out humans and are unlikely to bite unless provoked.
The spiders may be transported to northern regions via cargo from southern areas.
There are currently no confirmed sightings of karakurts in St. Petersburg or Leningrad Oblast.
Experts agree that the risk of encountering karakurts in urban areas like Moscow is low at present.

Karakurts have not yet been found in the Moscow region, and their natural migration to urban areas is unlikely in the near future. — vm
Karakurts have been occasionally observed in Moscow over the past five years. — fontanka
Karakurts are now appearing on the streets of Moscow due to climate change. — tg_rian_ru
Karakurts have already been found on the streets of Moscow and the Moscow region. — vesti
The idea of karakurts reaching Moscow this summer is a myth or exaggeration. — vm
Karakurts can travel hundreds of kilometers via silk threads, like a 'carpet-airplane'. — fontanka
Karakurts are transported to Moscow with goods such as vegetables, fruits, and building materials. — vesti
The mortality rate from karakurt bites is 2%. — fontanka
The pain from a karakurt bite is not very intense initially, and the spider's fangs penetrate deeply into the bloodstream. — vm
A karakurt bite causes severe pain in the lower back and abdomen, chills, rapid heartbeat, and fear. — fontanka
The venom of karakurts contains alpha-latrotoxin, which affects the nervous and cardiovascular systems. — tg_rian_ru
The most dangerous insect in terms of venom is not the karakurt, but the wasp. — vm