{"id":108,"date":"2024-02-15T06:43:31","date_gmt":"2024-02-15T06:43:31","guid":{"rendered":"https:\/\/macrostock.eu\/?p=108"},"modified":"2025-07-07T09:00:18","modified_gmt":"2025-07-07T09:00:18","slug":"jumping-spider-evarcha-falcata","status":"publish","type":"post","link":"https:\/\/macrostock.karits.eu\/index.php\/2024\/02\/15\/jumping-spider-evarcha-falcata\/","title":{"rendered":"Jumping Spider (Evarcha falcata)"},"content":{"rendered":"\n
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Download image<\/a><\/div>\n<\/div>\n\n\n\n

\ud83d\udd77\ufe0f Overview<\/p>\n\n\n\n

Evarcha falcata<\/strong> is a striking species of jumping spider<\/strong> in the family Salticidae<\/strong>, known for its excellent vision<\/strong>, active hunting style<\/strong>, and sexual dimorphism<\/strong> (distinct differences in appearance between males and females). It\u2019s found across much of Europe and parts of Asia<\/strong>, often in grasslands<\/strong>, heaths<\/strong>, and woodland edges<\/strong>.<\/p>\n\n\n\n

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\ud83d\udd0d Identification<\/strong><\/h3>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Size<\/strong><\/td>Males: ~5\u20136 mmFemales: ~6\u20138 mm<\/td><\/tr>
Coloration<\/strong><\/td>Males: dark brown\/black with iridescent greenish chelicerae<\/strong>Females: lighter, brown or greyish with mottled patterning<\/td><\/tr>
Eyes<\/strong><\/td>Prominent forward-facing central eyes<\/strong> typical of jumping spiders<\/td><\/tr>
Body<\/strong><\/td>Compact, with a wide cephalothorax and shorter abdomen<\/td><\/tr>
Legs<\/strong><\/td>Males have more robust and contrasting forelegs<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Males are more visually striking and often confused with Evarcha arcuata<\/em>, another similar jumping spider.<\/p>\n<\/blockquote>\n\n\n\n

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\ud83c\udf3f Habitat<\/strong><\/h3>\n\n\n\n
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  • Found in:\n
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    • Grasslands<\/strong><\/li>\n\n\n\n
    • Shrubs and low vegetation<\/strong><\/li>\n\n\n\n
    • Sunny forest edges<\/strong><\/li>\n\n\n\n
    • Occasionally gardens<\/strong> or parks<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • Typically seen from late spring to early autumn<\/strong>.<\/li>\n\n\n\n
    • Prefers sunlit open areas<\/strong> where it can hunt visually.<\/li>\n<\/ul>\n\n\n\n
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      \ud83d\udc1c Behavior & Diet<\/strong><\/h3>\n\n\n\n
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      • Active hunters<\/strong>: Do not use webs to catch prey.<\/li>\n\n\n\n
      • Feed on small insects<\/strong>, especially flies<\/strong>, aphids<\/strong>, and other spiders<\/strong>.<\/li>\n\n\n\n
      • Uses stealthy stalking<\/strong> followed by a sudden, precise jump to pounce on prey<\/strong>.<\/li>\n\n\n\n
      • Anchors itself with a silk dragline<\/strong> when jumping.<\/li>\n<\/ul>\n\n\n\n
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        \ud83d\udc98 Courtship<\/strong><\/h3>\n\n\n\n
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        • Males perform visual displays<\/strong> using their front legs<\/strong> and body postures<\/strong> to attract females.<\/li>\n\n\n\n
        • Jumping spiders rely heavily on vision<\/strong> during mate selection.<\/li>\n<\/ul>\n\n\n\n
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          \ud83d\udd01 Life Cycle<\/strong><\/h3>\n\n\n\n
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          1. Egg sac<\/strong> laid in a sheltered spot, guarded by the female.<\/li>\n\n\n\n
          2. Spiderlings<\/strong> disperse shortly after hatching.<\/li>\n\n\n\n
          3. Matures through a series of molts; one generation per year<\/strong> is typical in temperate zones.<\/li>\n<\/ol>\n\n\n\n
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            \ud83e\udde0 Interesting Facts<\/strong><\/h3>\n\n\n\n
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            • Evarcha species, including E. falcata<\/em>, have shown complex visual recognition<\/strong> and can learn to distinguish prey from background<\/strong>.<\/li>\n\n\n\n
            • Jumping spiders can often turn their heads slightly<\/strong> to follow movement \u2014 rare among spiders.<\/li>\n\n\n\n
            • Not dangerous to humans and are actually beneficial garden predators<\/strong>.<\/li>\n<\/ul>\n\n\n\n
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