A class of Arthropoda that includes SPIDERS; TICKS; MITES; and SCORPIONS.
http://www.phac-aspc.gc.ca/publicat/ccdr-rmtc/12vol38/acs-dcc-3/index-fra.php 2012 Canada French travel medicine insect bites and stings arachnida Insecta insect bites and stings clothing Evidence-Based medicine travel child DEET insect repellents adult environmental exposure insecticides mosquito control insecticides arthropod vectors public health guidelines
--- http://medecinetropicale.free.fr/casporocephalose.pdf France French case reports abdomen without preparation gabon tropical medicine larva migrans, visceral snakes calcinosis arachnida larva migrans, visceral signs and symptoms diagnosis, differential larva migrans, visceral larva migrans, visceral life cycle stages radiography, thoracic