Summary: Insects are important pollinators. and entomophilous pollination of gymnosperms occurred long before the Cretaceous radiation of angiosperms. but most extant pollination systems involve angiosperms. We studied four thrips of the extinct genus Tethysthrips present in Albian (Early Cretaceous) Spanish amber. https://nooemstwa1oia.wikigop.com/1349323/unidirectional_transport_of_both_wettable_and_nonwettable_liquids_on_an_asymmetrically_concave_structured_surface