Aphids suck plant juices and may be controlled with Diazinon dust or sprays of Sevin or rotenone.
Stalk borer larva bores in the stem. Slit the stalk open and destroy the larva. No chemical control is listed.
Bulb mite feeds around the basal plate destroying the roots. The mite infests scales and burrows into stems. Leaves and stems from infested bulbs suddenly become corroded. The plant may die or the injury may create entrances for diseases. Discard infested bulbs and rotate planting areas. No chemical control is listed.