In 1999–2019, spiders and millipedes in Žleby, a municipality in the District of Kutná Hora were recorded. At 22 sites, the author collected or photographed 854 spider and 642 millipede specimens belonging to 121 spider and 29 millipede species. Most of them are common, however, spiders
Ero aphana,
Nematogmus sanguinolentus,
Silometopus elegans and
Amaurobius jugorum, and millipedes Cylindroiulus arborum and Haploporatia eremita, are ecologically significant. The most (millipede) species rich site at Žleby were the left bank of the Doubrava River and the lime alley. During the long-termed survey on spiders, the first occurrence of five recently spreading species (
Pholcus phalangioides,
Ebrechtella tricuspidata,
Argiope bruennichi,
Steatoda triangulosa and
Ero aphana) was documented at Žleby.