Clubiona kulczynskii
Lessert, 1905
Clubiona kulczynskii is a of sac spider in the Clubionidae, first described by Lessert in 1905. It belongs to a characterized by distinct morphological features including a central groove on the and a tuft of curved setae on the edge of the . The species has a notably broad geographic distribution spanning multiple continents.
Pronunciation
How to pronounce Clubiona kulczynskii: /kluːˈbaɪə.nə kʊlˈtʃɪnski.aɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Clubiona can be distinguished from the superficially similar Cheiracanthium (longlegged sac spiders) by two key characters: Clubiona possesses a distinct groove in the center of the , and has a tuft of curved setae on the front edge of the . Cheiracanthium lacks both of these features. Positive identification to species level within Clubiona requires examination of genitalic structures.
Distribution
North America (including Canadian provinces of Alberta, British Columbia, and Manitoba), Europe, Russia (extending from European Russia to the Far East), Kazakhstan, and Japan.
Behavior
As a sac spider, it has been observed to construct silken retreats for resting during daylight hours. These retreats are typically not reused. Members of this hunt actively without building prey-capture webs, relying instead on pursuit to overpower small prey.
Similar Taxa
- Cheiracanthium spp.Cheiracanthium (longlegged sac spiders or yellow sac spiders) are frequently confused with Clubiona due to similar body form and use. They differ in lacking the central groove and abdominal setal tuft present in Clubiona.
More Details
Taxonomic Note
The Clubionidae has undergone taxonomic revision, with some former members (such as Cheiracanthium) reassigned to other families. Clubiona remains the type of Clubionidae.