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Iridescent Jumping Spider

Cosmophasis umbratica

Description:

adult male - it has a complex iridescent markings on the dorsal and lateral cephalothorax and on the lateral femora of all legs... and silvery white lines on the abdomen.! this species shows extreme dimorphism when viewed under UV light: males reflect UV on all body parts that are displayed during intraspecific interaction... while females and juveniles do not reflect UV at all. males seem to use this in sexual signaling.!

Habitat:

spotted on plant within dense foliage at 833m asl

Notes:

Araneae; Salticidae; Salticinae; Chrysillini

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Richard Ong
Spotted by
Richard Ong

George Town, Pulau Pinang, Malaysia

Spotted on Jun 7, 2019
Submitted on Nov 21, 2019

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