What's eating my hoya pubicalyx 'splash'?

Hoya pubicalyx 'Splash' is a vigorous vining houseplant most commonly attacked by mealybugs, which colonize the dense leaf axils and stem nodes. Spider mites thrive on it in dry indoor air. Scale insects and aphids targeting new growth are also recorded on Hoya pubicalyx varieties.

White cottony clusters at leaf axils and nodes along the vine; sticky honeydew and sooty mold on lower leaves Swab colonies with 70% isopropyl alcohol; spray the whole plant with neem oil solution; repeat every 5–7 days for 3 weeks

Tiny yellow speckles stippling the dark leaf surface; fine webbing on leaf undersides; leaves may yellow and drop Mist the plant or place on a humidity tray; apply insecticidal soap or neem oil spray weekly; improve air circulation

Flat brown waxy shells on stems and leaf midribs; reduced vigor and sticky deposits Scrape off manually and wipe with alcohol; apply horticultural oil spray; repeat every 2 weeks until clear

Soft-bodied insects on soft new growth and flower buds; distorted new leaves and honeydew residue Rinse off with lukewarm water; apply insecticidal soap; check new growth regularly during the spring flush