Sorghum

Guides

Blissus occiduus
Western Chinch Bug
Blissus occiduus, the western chinch bug, is a phloem-feeding true bug (Hemiptera: Blissidae) that is a significant pest of warm-season turfgrasses, particularly buffalograss and zoysiagrass. The species exhibits strong host preference hierarchies, with buffalograss being the most preferred host followed by zoysiagrass, though it can survive and reproduce on a broad range of grasses including agronomic crops. Field studies have documented inconsistent control with neonicotinoid insecticides, with thiamethoxam showing particularly rapid degradation in buffalograss tissues compared to imidacloprid and clothianidin.
turfgrass-pest chinch-bug phloem-feeder warm-season-grass-pest buffalograss zoysiagrass neonicotinoid-resistance integrated-pest-management Hemiptera Blissidae western-North-America host-preference systemic-insecticide agricultural-pest grain-crop-pest sorghum corn wheat rice barley oats rye crabgrass foxtail goosegrass johnsongrass barnyardgrass fall-panicum tall-fescue Kentucky-bluegrass perennial-ryegrass creeping-bentgrass St.-Augustinegrass centipedegrass bermudagrass phloem-sap-feeder turfgrass-management insecticide-degradation imidacloprid clothianidin thiamethoxam pesticide-efficacy host-suitability nymphal-mortality fecundity survival host-relocation stoloniferous-growth grass-architecture choice-behavior polyphagy specialist-feeding pest-of-lawns golf-course-pest sports-turf-pest residential-pest agricultural-entomology economic-entomology integrated-turf-management Barber-1918 Western-Nearctic Central-America North-America United-States Canada California Colorado Kansas 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Contarinia sorghicola
sorghum midge
Contarinia sorghicola, the sorghum midge, is a gall midge and one of the most damaging insect pests of grain and forage sorghum. Adults are small, fragile, orange-red flies with yellow heads, brown antennae and legs, and gray membranous wings. Females lay eggs in flowering sorghum spikelets; larvae feed on developing ovaries, preventing kernel formation and causing empty glumes. The species has a global distribution across tropical and subtropical regions where sorghum is cultivated.
pest agriculture sorghum gall-midge Cecidomyiidae integrated-pest-management resistance-breeding diapause economic-entomology cereal-crop-protection
Diatraea
sugarcane borer, stalk borer
Diatraea is a genus of moths in the family Crambidae comprising approximately 40 described species. The genus is best known for several economically important stalk-boring pests of grass crops, particularly sugarcane, corn, sorghum, and rice. Larvae tunnel within plant stems, causing reduced yield, lodging, and increased susceptibility to pathogens. Several species have been the focus of extensive biological control programs, notably using parasitoid wasps such as Cotesia flavipes and Trichogramma galloi. The genus is distributed throughout the Americas from the southern United States to Argentina.
agricultural-pest stalk-borer biological-control sugarcane corn sorghum rice Crambidae parasitoid-host invasive-species integrated-pest-management Neotropical Nearctic grass-crop-pest internal-feeder larval-diapause multivoltine
Eoreuma
Eoreuma is a genus of moths in the family Crambidae, first described by Ely in 1910. The genus contains 11 described species, with Eoreuma loftini (Mexican rice borer) being the most economically significant. This species is a major agricultural pest of sugarcane, rice, sorghum, and corn in the southern United States and Mexico, causing substantial yield losses through larval tunneling in stalks. The genus is native to the Americas, with several species described from the southwestern United States and Mexico.
Crambidae stalk-borer agricultural-pest invasive-species biological-control Mexico Texas sugarcane rice sorghum Eoreuma-loftini
Melanaphis
sugarcane aphid
Melanaphis is a genus of aphids in the family Aphididae, first described by van der Goot in 1917. The genus includes species that are significant agricultural pests, particularly of sorghum and sugarcane. Melanaphis sacchari (sugarcane aphid) has become one of the most damaging insect pests of grain and forage sorghum in the United States since its first recorded occurrence on sorghum in Texas in 2013. Members of this genus are characterized by their parthenogenetic reproduction, rapid population growth, and production of honeydew.
aphid pest sorghum sugarcane agriculture honeydew parthenogenesis
Melanaphis sacchari
Sugarcane Aphid, Sugarcane Aphid Complex
Melanaphis sacchari, commonly known as the sugarcane aphid, is a phloem-feeding aphid native to the Old World that has become a major agricultural pest of sorghum and sugarcane. First recorded feeding on sorghum in Texas in 2013, it rapidly spread across the southern United States, causing significant yield losses. The species reproduces primarily through parthenogenesis, with all individuals being female and giving birth to live young. Populations can double every 4 to 8 days under favorable conditions, making monitoring and timely intervention critical for management.
agricultural-pest sorghum sugarcane parthenogenesis honeydew-producer invasive-pest integrated-pest-management
Nola cereella
sorghum webworm, sorghum webworm moth
Nola cereella, commonly known as the sorghum webworm, is a small moth in the family Nolidae. The species was first described by Louis Augustin Guillaume Bosc in 1800. Adults have a wingspan of 12–18 mm and are active from July to September. The larvae feed specifically on Sorghum vulgare, making this species an agricultural pest of sorghum crops.
pest agriculture sorghum moth Nolidae North-America Neotropical grain-pest
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.
agricultural-pest aphid parthenogenesis toxin sugarcane sorghum grass-pest no-honeydew induced-plant-susceptibility yellow-coloration dark-dorsal-spots