That s also how your dippers and your bottles get crossed. If you want to avoid crossing up your seeds, use a rubber band to close up the female blossom when you re done to keep any other pollinators out. If you re not getting enough rain, water at the base of each plant enough to soak the ground. Avoid wetting the vines to discourage fungus diseases. Avoid high nitrogen fertilizers because they will encourage leafy growth and actually delay fruit maturity.
Adults eat the leaves and the larvae bore into stems and roots.
Vine borers may never make an appearance, but if your vines are mysteriously wilting, they are probably responsible. The key for control of any pests is, the sooner the better. Follow label precautions Be aware that insecticides may kill beneficial insects. If you re not hand-pollinating, you need insect help. It seems pretty likely that the pesky cucumber beetle is also one of the principle pollinators of lagenaria.