This is a journal of my vegetable gardens. Skippy was my first dog and he thought the garden was his, even though I did all the work. Now Suzie and Charley follow in his footsteps. We're located near Boston (USDA zone 6A). I have a community plot, a backyard vegetable garden, fruit trees, berry bushes, chickens, and bees. I use sustainable organic methods and do my best to grow all of my family's vegetables myself.

Monday, August 01, 2011

parasitic wasps

corn wasps 034corn wasps 015
wasp delivery wasp delivery 3
corn wasps 032

My first shipment of corn worm parasitic wasps arrived 3 weeks ago. They need to go out to the field within 24 hours, so I ran over to the community gardens and distributed the four cards. Each card has pin head size wasp eggs glued to it. I searched through the plots and found about 10or 12 patches of corn. In four of them, I hung a card of eggs.

I am receiving more eggs about once a week and each time I place the cards in different patches.

The wasps parasitize the eggs of the European Corn Borer. Its an experiment to see if this helps with our worms. From looking back to my old photos (below), the worms I had two years ago were Corn Ear Worms, not Borers. My understanding is that the Ear Worm lays its eggs singly so its hard for a wasp to be effective against them because it has to find every egg. On the other hand the European Corn Borer lays eggs in a cluster, so the wasps can effectively parasitize all of them. It seem like a fantastic, organic method of pest control, so I am trying the experiment anyway.

popcorn worm

Labels: , ,


Anonymous Roberta said...

I'm thinking your post didn't post.

August 01, 2011 11:08 PM

Blogger zippiknits said...

I like them. We like to see these tiny things in our garden. And, I also think your post didn't go. Can't see it.

August 01, 2011 11:30 PM

Blogger biobabbler said...

Maybe she did post them, but the particular species she photographed is SO TINY, we can't see it. =)

August 02, 2011 10:26 AM

Blogger Wendy said...

The wasp ate the post.

August 02, 2011 10:35 AM

Blogger kathy said...

Ha! Its fun to read the comments. I hope to get the post up soon....

August 02, 2011 11:35 AM

Anonymous tub chairs said...

Fantastic! We have courgettes coming out of our ears! we though of your Mum's Post them through doors It may come to that, we going to do a courgette and apple cake tonight, if it's Goodall make a few and give them away! Our cucumbers are really slow this year, by this time last year we had loads, oh well that's how it goes.

August 06, 2011 1:23 AM

Blogger Birchwood Farms said...

There is no denying that mother nature blessed us this summer. I've seen it in my peach daylilies @

August 13, 2011 7:49 PM

Anonymous Anonymous said...

European corn borers are ridiculously annoying as are most garden pests.

September 24, 2011 6:53 PM


Post a Comment

<< Home

your ad here

garden garden garden garden garden garden garden garden garden garden