The rusty plum aphid (''Hysteroneura setariae'') is an

aphid Aphids are small sap-sucking insects and members of the superfamily Aphidoidea. Common names include greenfly and blackfly, although individuals within a species can vary widely in color. The group includes the fluffy white woolly aphids. A t ...

in the superfamily Aphidoidea in the order

Hemiptera Hemiptera (; ) is an order (biology), order of insects, commonly called true bugs, comprising over 80,000 species within groups such as the cicadas, aphids, planthoppers, leafhoppers, Reduviidae, assassin bugs, Cimex, bed bugs, and shield bugs. ...

. It is a true bug and sucks sap from plants. It is known from Yemen, and has also been recorded feeding on

sorghum ''Sorghum'' () is a genus of about 25 species of flowering plants in the grass family (Poaceae). Some of these species are grown as cereals for human consumption and some in pastures for animals. One species is grown for grain, while many othe ...

and other

millet Millets () are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most species generally referred to as millets belong to the tribe Paniceae, but some millets al ...

s in the United States.

References

fauna-eu.org
* http://erec.ifas.ufl.edu/publications/pdf/fact_sheets/RustyPlumAphidOnSeashorePaspalumTurfgrass.pdf * http://www.bioone.org/doi/abs/10.1653/024.096.0237 * http://www.discoverlife.org/mp/20q?search=Hysteroneura+setariae * http://bie.ala.org.au/species/Rusty+Plum+Aphid Aphidini Agricultural pest insects Invertebrates of the Arabian Peninsula Insect pests of millets {{Aphididae-stub