No-honeydew
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Sipha flava
yellow sugarcane aphid
Sipha flava, commonly known as the yellow sugarcane aphid, is a significant agricultural pest native to North America that has spread to multiple continents. This aphid feeds on warm- and cool-season grasses including sugarcane, sorghum, corn, rice, and numerous pasture grasses. It is distinguished by its bright lemon-yellow to pale green coloration, body covered with small spines, and two double rows of dark spots on the dorsum. The species is notable for injecting a toxin while feeding that causes host plant leaves to turn purple in seedlings and yellow to reddish in older plants, leading to stunted growth, delayed maturity, and potential lodging. Unlike many aphids, it produces little to no honeydew. Populations can increase rapidly through parthenogenetic reproduction, with females giving birth to live young for approximately 28 days.