Evarcha proszynskii
Marusik & Logunov, 1998
Proszynski's Jumping Spider
Evarcha proszynskii is a Holarctic jumping spider first described from Russia in 1998. It occurs across northern Eurasia from Russia through Japan, and has established in western North America. The species is primarily but has been observed sheltering on building exteriors at night. Like other salticids, it hunts by sight without using webs.
Pronunciation
How to pronounce Evarcha proszynskii: //ɛˈvɑr.kə prɔʒˈɪn.ski.aɪ//
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Images
Distribution
Native range: Russia (Middle Siberia to Far East), Kazakhstan, China, Korea, and Japan. Introduced or naturally occurring in western North America: United States and Canada.
Behavior
Primarily hunters that rely on vision. Has been observed sheltering on the sides of buildings and homes at night, remaining inactive until daylight.
Human Relevance
Occasionally encountered on building exteriors during nighttime surveys. No known negative impacts; typical of harmless jumping spiders.
Similar Taxa
- Evarcha arcuataSimilar and general appearance; E. proszynskii distinguished by distribution and subtle morphological differences in male
- Evarcha falcataOverlapping Palearctic range; requires examination of genitalia for definitive identification