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Uroleucon obscuricaudatum
Dusky-tailed Sunflower Aphid
Uroleucon obscuricaudatum is a North American aphid species in the family Aphididae, commonly known as the Dusky-tailed Sunflower Aphid. It is a specialist feeder on Heliopsis helianthoides (oxeye sunflower) and related Asteraceae plants. The species exhibits typical aphid life history traits including parthenogenetic reproduction during the growing season. Like other Uroleucon species, it produces honeydew and serves as prey for diverse natural enemies including lady beetles, flower flies, lacewings, and spiders.