ARBICO Organics Delphastus Catalinae Sweet Potato Whitefly Predator, Pack of 200These voracious consumers of whitefly eggs and nymphs are compatible with whitefly parasites. Ships FREE via Overnight methods on Tuesdays Only. MINIMUM 7 day processing prior to shipment. Delphastus catalinae is used extensively in ornamental and agricultural crops for control of sweet potato whitefly, also known as silverleaf whitefly. Highly compatible with organic integrated pest management programs, these predatory beetles feed and reproduce