Sipha flava

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nymphs, adults, and alates (top) of Sipha flava, causing reddening/yellowing of sugarcane leaves (bottom) (click on image to enlarge it)
Author(s): Blake E. Wilson
Source: Insects (2019), vol. 10 (4), art. 107

Sipha flava (Forbes, 1884) - (yellow sugarcane aphid)

This aphid is widely distributed in tropical and subtropical regions, but most of the outbreaks on sugarcane and energy cane have been reported from the Americas. Other hosts include sorghum and various cereals. It is also a vector of the Sugarcane mosaic virus. On sugarcane, mainly young plants are attacked, resulting in reddening/yellowing of the leaves as well as in losses of cane yield and a reduced sugar content. Resistant cultivars are available.

The adult females are less than 2 mm long with a bright yellow abdomen and a slightly darker head and thorax. Propagation is mainly through parthenogenesis, but alates can be formed under certain environmental conditions.

Synonyms:
Chaitophorus flavus

Vernacular names
• English: yellow sugarcane aphid
• Español: pulgón amarillo de la caña de azúcar
• Português: pulgão-amarelo-da-cana-de-açúcar


For a review see Wilson (2019)