Portal:Arthropods/Did you know/15


 * ... that the mutualism between hermit crabs and the sea anemone Calliactis parasitica (pictured) may require the presence of an octopus?
 * ... that Edward L. Kessel assembled the world's most comprehensive collection of Platypezidae flat-footed flies?
 * ... that in the north, the North American paper wasp Polistes annularis has rust-red markings on a predominantly black thorax, but in the south, the thorax is mostly rust-red with black markings?
 * ... that the California Bay pea crab is one of only two marine crustaceans to be included on the IUCN Red List of endangered species?
 * ... that the ground beetle, Lebia grandis, can eat about 23 eggs or three larvae of the Colorado potato beetle every day?
 * ... that the weevil Hylobius transversovittatus has been introduced into the United States and Canada to help control the invasive wetland plant purple loosestrife?