Pest identification
What's eating my hoya sipitangensis?
Mealybugs
Signs: Cottony white wax clusters at nodes and petioles; weakened growth; honeydew leading to sooty mold
Control: Spot-treat with isopropyl alcohol; apply neem oil spray to the whole plant and repeat every 7–10 days
Spider mites
Signs: Fine pale stippling on leaf surfaces; thin webbing under leaves and at stem tips in heavy infestations
Control: Shower plant; apply insecticidal soap; maintain humidity above 50% to discourage re-infestation
Fungus gnats
Signs: Larvae feed on fine roots in moist substrate; plants may wilt or yellow despite adequate watering
Control: Allow the top layer of substrate to dry out; apply Bti (Bacillus thuringiensis israelensis) drench; use yellow sticky traps
Keep hoya sipitangensis pest-free
Healthy plants resist pests best. Get the basics right:
Hoya Sipitangensis pests — FAQ
What is eating my hoya sipitangensis?
Hoya sipitangensis is a rare collector's hoya grown indoors. Like all hoyas in cultivation, it is most susceptible to mealybugs at stem nodes and leaf joints. Spider mites can colonize the leaf undersides in dry conditions. Fungus gnats are a risk if the substrate stays too moist.
How do I get rid of mealybugs on hoya sipitangensis?
Cottony white wax clusters at nodes and petioles; weakened growth; honeydew leading to sooty mold Spot-treat with isopropyl alcohol; apply neem oil spray to the whole plant and repeat every 7–10 days
How do I get rid of spider mites on hoya sipitangensis?
Fine pale stippling on leaf surfaces; thin webbing under leaves and at stem tips in heavy infestations Shower plant; apply insecticidal soap; maintain humidity above 50% to discourage re-infestation
How do I get rid of fungus gnats on hoya sipitangensis?
Larvae feed on fine roots in moist substrate; plants may wilt or yellow despite adequate watering Allow the top layer of substrate to dry out; apply Bti (Bacillus thuringiensis israelensis) drench; use yellow sticky traps