Ingrata

The species name ingrata (Latin for "offensive") is a common element in taxonomic names. Examples include:

Fungi:
 * Clavulina ingrata, a species of coral fungus found in Malaysia
 * Hygrocybe ingrata, a species of waxcap mushroom found in Europe

Insects:
 * Caloptilia ingrata, a species of insect known from Tanzania
 * Endothenia ingrata, a species of moth in the genus Endothenia
 * Eupithecia ingrata, a synonym of Eupithecia nigrilinea, a species of moth found in central Asia
 * Stemmatophora ingrata, a synonym of Hypotia proximalis, a species of snout moth found in Azerbaijan and Pakistan
 * Terias ingrata, a synonym of Eurema boisduvaliana, a species of butterfly found from Costa Rica to Mexico
 * Trychosis ingrata, a species of wasp found in much of Europe

Plants:
 * Acacia ingrata, a species of shrub native to Western Australia
 * Michelia ingrata, a species of plant endemic to China
 * Myristica Ingrata, a species of tree in the genus Myristica found in Asia and the western Pacific