Tiny parasitic wasps drawn to the flowers' nectar will stay around to raise their families, helping control assorted garden pests such as cabbage worms, tomato hornworms
, aphids and whiteflies.
For example, to repel tomato hornworms
, marigolds and basil are planted with tomato plants.
These include basil (asparagus beetles and tomato hornworms
), borage (tomato hornworms
and cabbage worms), chamomile (flying insects), coriander (Colorado potato beetles), dill (squash bugs and cabbage loopers), fennel (slugs and snails), oregano (broad spectrum), parsley (asparagus beetles), peppermint (cabbage loopers and squash bugs), rosemary (cabbage loopers), spearmint (beetles, ants, and rodents), and summer savory (bean weevils).
Borage planted with tomatoes keeps the tomato hornworms
In his article, he talks about controlling green tomato hornworms
by picking them each morning.
Regularly handpick slugs, snails, tomato hornworms
, and other pests from edible plants.
The worms were likely tomato hornworms
, which are quite common on tomatoes and may be found, less commonly, on peppers, eggplants, tobacco and potatoes.
There are many types of parasitic wasps whose larvae feed on problem insects such as aphids, tomato hornworms
Other edible insects include meal worms, tomato hornworms
, katydids, beetle grubs, locusts, and grasshoppers.
Compounds produced by genetically engineered trichomes might someday give tomato plants more robust resistance to insect enemies like whiteflies or tomato hornworms
. The same strategy may improve insect defense for other trichome-bearing plants as well."
Basil protects tomatoes from a variety of pests that favor tomatoes including aphids, spider mites, tomato hornworms
and whiteflies while attracting pollinators (if allowed to flower).
They hunt down and consume impressive numbers of insect prey and their eggs, especially pest caterpillars such as cabbageworms, tomato hornworms
, tent caterpillars, and com earworms.