Answer: It's hard to wage war against an enemy you can't see. Lupine are favorites of slugs and snails so look first for shiny slime trails. Lupine Aphid can be troublesome, as can the Four-Lined Plant Bug. The best defense against these pests is to handpick, or hose them off with a strong stream of water. Snails and slugs feed at night, aphids and bugs during the day. Check your plants morning, afternoon and after dark to see if you can find the culprits. Then treat them accordingly.
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