insect on luffa vine

Question

What insect is causing the flowers on my luffa vines to fall off as if cut about an inch below the flower hip?

Answer 1

There could be numerous insects that cause this issue of bud drop including thrips, aphids and mealybug.
Treat the plant with Neem Oil.

Here are some links for you.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

https://www.gardeningknowhow.com/edible/vegetables/gourd/luffa-gourd-planting.htm