Aphids (Hemiptera: Aphididae and Adelgidae) of Hawai‘i: Annotated List and Key to Species of an Adventive Fauna

We provide a comprehensive compilation of 105 species of Aphidoidea adventive to the Hawaiian Islands based on literature records and a taxonomic analysis of available specimens. Seventeen species are recognized as new to the Islands. For each species information on synonyms, origins, distribution, and hosts is given. The average rate of introduction has been about 0.82 species per year. Approximately 35% of the species originate in East Asia, 35% from Europe and West Asia, and 21% from North America.