Small insects on pussywillow that smear red when crushed could be aphids, scale crawlers, or gall midges. Without a photo, exact ID is impossible.
Monitor for actual damage: distorted leaves, stunted growth, honeydew/sooty mold. Many insects are harmless or beneficial.
These low-toxicity options preserve predators. Avoid broad-spectrum synthetics unless absolutely necessary.
Lemon Tree Springtails: Tiny Jumping Pests in Damp Conditions
Bright Red Bugs on Crepe Myrtle and Oleander: Need ID
Lichens on Trees: Harmless Indicators of Stress, Not Killers
Azalea Mealybugs: White Sacs and Crawling Bugs
Tiny Brown Bugs in Kitchen Cupboard: Booklice (Psocids)
Tiny Brown Bugs on Vancouver Baseboards: Carpet Beetle Larvae
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