A zombie tarantula. 

Actually, Ophiocordyceps caloceroides infecting a tarantula. The fungus keeps the host alive as long as possible and directs the spider to the place where assocarps can spread the fungi spores more effectively

[📷 Ian Suzuki] https://image.nostr.build/7fb7dc371387ee38b134704a2a3f71cc239d0f1422abcaa97aee07b4a28e8d57.jpg