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The aster leafhopper is a small species, with males reaching about 3.3 mm (0.13 in) in length and females about 3.7 mm (0.15 in). The fore-wings are greyish-green while the abdomen is yellowish-green. Six pairs of minute black spots or streaks on the head give the insect its alternative name of six-spotted leafhopper. [1]
Macrosteles is a leafhopper genus in the tribe Macrostelini with more than 80 species, most in the northern hemisphere. Some species are known to migrate. Some species are known to migrate. [ 2 ]
Aster leafhopper (Macrosteles quadrilineatus) Aster yellows is a chronic, systemic plant disease caused by several bacteria called phytoplasma . [ 1 ] The aster yellows phytoplasma (AYP) affects 300 species in 38 families of broad-leaf herbaceous plants, primarily in the aster family , as well as important cereal crops such as wheat and barley.
Leafhopper is the common name for any species from the family Cicadellidae. These minute insects , colloquially known as hoppers , are plant feeders that suck plant sap from grass, shrubs, or trees.
Aster is a genus of perennial flowering plants in the family Asteraceae.Its circumscription has been narrowed, and it now encompasses around 170 species, all but one of which are restricted to Eurasia; many species formerly in Aster are now in other genera of the tribe Astereae.
Meet the leafhopper. The world's No. 3 corn exporting country has slashed millions of tons from its harvest projections for the current crop due to a rare plague of the insect that can carry a ...
An aster is a cellular structure shaped like a star, consisting of a centrosome and its associated microtubules during the early stages of mitosis in an animal cell. [1]: 221 Asters do not form during mitosis in plants. Astral rays, composed of microtubules, radiate from the centrosphere and look like a cloud. Astral rays are one variant of ...
The family is commonly known as the aster, daisy, composite, or sunflower family. Most species of Asteraceae are herbaceous plants , and may be annual , biennial , or perennial , but there are also shrubs , vines , and trees .