John Cancalosi / Central american bark scorpion (Centruroides margaritatus) feeding on Lebeau's rothschildia / Forbe's silkmoth (Rothschildia lebeau) Costa Rica, August

Bernard Castelein / Garden spider (Araneus diadematus) on autumn leaf, Belgium

John Cancalosi / Desert Tarantula (Aphonopelma sp) Sonoran Desert, Arizona, USA

Tim Laman / Jumping spider {Salticidae} in Sierra Madre National Park, Luzon, Philippines

Tim Laman / Huntsman spider {Sparassidae} in the rainforest, Sierra Madre National Park, Luzon, Philippines

John Cancalosi / Desert Tarantula {Aphonopelma chalcodes} close-up of eyes, Sonoran Desert, Arizona, USA.

John Cancalosi / Desert Tarantula {Aphonopelma chalcodes} Sonoran Desert, Arizona, USA.

John Cancalosi / Desert Tarantula {Aphonopelma chalcodes} close-up o f mouthparts, Sonoran Desert, Arizona, USA.

John Cancalosi / White toed tarantula / bird spider {Avicularia metallica} tropical rainforest, Peru, South America