Found all over the world, the very common peach-potato aphid, myzus, persicae, feeds on more than 200 plants, including peaches and potatoes, on which it is a pest.
As a carrier of the fungal disease potato blight, this species helped cause the Irish potato famine in the 1840s, which was responsible for the deaths of almost 1 million people. Length 0.07 inches (2 mm).
- Common name: Aphids
- Family: Aphididae
- Suborder: Sternorrhyncha
- Order: Hemiptera
- class /subphylum: Insecta/ Hexapoda
- Number of species: About 3,800 (1,380 us.)
- Size: From about 0.04 in (1 mm) to 0.2 in (5 mm)
Key features: Most commonly green or pink in color, but may be brown or black; females normally wingless, in males both pairs of wings transparent and folded tentlike over the body; body rather soft; abdomen with pair of cornices on fifth or sixth abdominal segment
Habits: Adults and nymphs usually found together in huge numbers on their host plants, on above-ground structures, or on plant roots
Breeding: Life cycles can be very complex, including parthenogenesis and alternating of host plant species
Diet: All suck the sap of plants, producing honeydew as a by – product, some; species produce and live in galls
Habitat: Forests, meadows, grassland, moorland, on waterside and floating plants, marshes, and seashore
Distribution: Worldwide, but with the greater number of species in temperate regions.