Dalbulus maidis
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Dalbulus maidis (DeLong & Wolcott, 1923) - (maize leafhopper)
This leafhopper is found in Central and South America and feeds on maize. Its distribution ranges from southern parts of the U.S. to Argentina. While it causes little direct damage to maize plants, it is an important disease vector of Spiroplasma kunkelii (corn stunt spiroplasma, CSS), Maize bushy stunt phytoplasma (MBSP) and Maize rayado fino virus. Some of these diseases like MBSP can result in more than 50% of the corn plants becomming infected in a field under suitable conditions. The leafhopper transmits the diseases in a persistent manner.
| Vernacular names | |
|---|---|
| • Deutsch: | amerikanische Maiszikade |
| • English: | maize leafhopper corn leafhopper |
| • Español: | langostino americano del maíz chicharrita del maíz |
| • Français: | cicadelle du maïs |
The adult hoppers are around 3-4 mm long, including the wings. The colouration is usually light brown, interrupted by paler areas. There are two black marks on the head, and the wings are glassy.
