Corn delphacid
| Peregrinus maidis | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hemiptera |
| Suborder: | Auchenorrhyncha |
| Superfamily: | Fulgoroidea |
| Family: | Delphacidae |
| Genus: | Peregrinus |
| Species: | P. maidis |
| Binomial name | |
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Peregrinus maidis (Ashmead, 1890) |
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| Synonyms | |
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Peregrinus maidis, known as the corn planthopper, is a species of insect in the order Hemiptera and the family Delphacidae. It is widespread throughout most tropical and subtropical regions on earth, including southern North America, South America, Africa, Australia, Southeast Asia and China.P. maidis are a commercially important pest of maize and its relatives. In addition to physical plant damage,P. maidis is the vector for several species-specific maize viruses, including maize stripe virus, maize mosaic virus and the non-pathogenic Peregrinus maidis reovirus.
P. maidis demonstrate sexual dimorphism in body size between males and females. Males have a body length of 2mm with a 6mm wingspan, whereas females are slightly larger at 3mm long and 7mm wingspan. The species is mainly yellow with dark brown to black markings, but colouration ranges from greenish-yellow to brownish-yellow. The forewings are longer than the body. The hind tibiae possess multiple spines and a large movable spur.
P. maidis are found in most tropical and subtropical regions throughout the world including the southeast United States, Hawaii, Central and South America, Africa, Australia, Southeast Asia and southern China. The species thrives in low elevation, high humidity locations and populations will decrease at altitudes above 800m. It is suspected that P. maidis cannot move into higher latitudes due to an inability to overwinter.
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Wikipedia