What Is This On My Tomato Plant ? What Should I Do To Prevent Its Return?

Question

I have 8 tomato plants in my 18 x 20 garden with a variety of other’s vegetables and flowers. I’ve never seen anything like this over the yrs. what is it?

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Answer 1

Ewww! The large caterpillar (tomato hornworm) has been parasitized. The eggs will hatch and the larva will consume the caterpillar.

https://www.gardeningknowhow.com/garden-how-to/beneficial/wasps-that-are-predatory.htm

https://www.gardeningknowhow.com/garden-how-to/beneficial/parasitic-wasp-info.htm