Orosius ryukyuensis (Ishihara)

Caution

Many of the insects depicted on these pages are outwardly similar and you should not use photographs as the sole means of identification. These pages form part of a scientific key which will assist a trained entomologist to identify the species accurately.

Orosius ryukyuensis (Ishihara 1965)

Common name: Sweet potato black spotted leafhopper

Subfamily/Tribe: Deltocephalinae: Opsiini

Distribution: Queensland, Japan

Economic Status: Vector of little leaf diseases of Ipomoea species, including sweet potato, in Japan, Taiwan and Melanesia and bell vine in Australia

Notes: This species was originally described from the Ryukyu Islands of Japan where it was reported as a vector of little leaf diseases of species of Ipomoea (Convolvulaceae), including sweet potato. It was first recorded in Australia (as Orosius lotophagorum ryukyuensis) as a vector of Little leaf and phyllody disease of bellvine (Ipomoea plebeia) by Behncken (1984).