Suleima helianthana

The sunflower budworm or bud moth (Suleima helianthana Riley), considered a minor pest of the sunflower in which damage is sporadic, also feeds on the Jerusalem artichoke (Pedraza-Martinez, 1990 Rogers, 1979). In North America, the insect is found from Maryland to California and south to Mexico. Damage is caused by larval feeding, typically on the apical bud or axils of upper leaves, producing distorted, misshapen plants. Young larvae act as leaf miners or enter a leaf rib, while older larvae enter and feed on buds, leaf axils, stems, and bracts. 

Sunflower budworm [Lepidoptera Olethreutidae] Suleima helianthana Riley... 

Ehart, O.R., Biology and Economic Importance of Suleima helianthana (Riley) on Sunflower Cultivars, Helianthus annuus L. in the Red River Yalley, M.S. thesis, North Dakota State University, Fargo, ND, 1974. 

Pedraza-Martinez, P.A., Seasonal incidence of Suleima helianthana (Riley) infestations in sunflower in central Tamulipas, Mexico, Southwest Entomol., 15, 452-457, 1990. 

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