Delia platura, Delia florilega are the names of the 2 types bean seed pests. I only learned about having those - though they don't tend to affect many beans when they do appear - from @Artorius as he has them too. I've probably always had them, and never really noticed because they don't generally do much damage. But this year, having only so many network beans for a variety, I noticed!Hmm if we have bean flies I don't know about them. We have Bean Leaf Beetles and Mexican Bean Beetles. I had to replant last year due to leaf beetles combined with flea beetles but kaolin clay kept them at bay long enough for the second round to get a head start. We also have bean weevils but I never see them til they start hatching out of beans while they dry.
This is all in my community garden plots. My other gardens have no insect pests and I make sure to keep them separate from any community garden beans.
Do you cook something similar? This is one of the traditional Polish Christmas Eve dinner dishes. No sausage on this day
Beans with cabbage, potatoes and mushrooms
1.25 kg of sauerkraut
50g of dried mushrooms
500g of potatoes
300g of beans
fried, diced sausage
salt and pepper to taste
In the evening, pour water over the mushrooms, and do the same with the beans. The next day, boil the mushrooms and the soaked beans separately in salted water. We cook the cabbage and potatoes separately. Drain the mushrooms, beans, cabbage and potatoes, cooked until tender. Steam the potatoes and knead them. Squeeze the excess water out of the cabbage. We cut cabbage and mushrooms. Mix all the ingredients, add the sausage and heat it up. Season with pepper.
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Ahh I almost always transplant everything but peas so it's possible that I have these in that community garden and just don't know it. I've heard of them in the midwest though.Delia platura, Delia florilega are the names of the 2 types bean seed pests. I only learned about having those - though they don't tend to affect many beans when they do appear - from @Artorius as he has them too. I've probably always had them, and never really noticed because they don't generally do much damage. But this year, having only so many network beans for a variety, I noticed!
They cause damage to the cotyledons underground so plants can emerge looking like this - in my case seedling stems coming up with no heads or with damaged cotyledons that have rust colour on them and never sprout leaves. I'm glad I found out about them so that now I will always plant network beans inside, wait for emergence and some leaves, then bring outside. It's a good precaution in the case of having only a few seeds of some variety. After this year I learned to LOVE bean transplants. Harvested much earlier with them.
This can happen with an older plant, but I haven't seen it myself. (Thankfully!)
(Knocking on wood...)Ahh I almost always transplant everything but peas so it's possible that I have these in that community garden and just don't know it. I've heard of them in the midwest though.
These are the weevils that appear in my community garden beans while they're drying. I just sifted these out using a steamer pot with holes too small for the beans but big enough for the beetles. Now the beans are in the freezer.
The round black bits in the second picture are the holes they poke out of the seed coats when they emerge. The first time I had them I didn't see them til January or February and they left the beans looking like swiss cheese.
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I always freeze beans that I get from others ahead of planting, just to be safe. I also have a garden that I'm likely to lose in the coming years, and that's my sacrifice plot for first-time growouts in case there's a weird fungus or something. There never has been, but it's an easy precaution for me to take with my setup.i've only seen holes in beans from a few suppliers and those were more bulk types so it wasn't a big deal. put them in the freezer to make sure they weren't being spread further.
so far this shelling season i've seen only a few beetle holes in shelled out beans, but i hardly ever see holes in anything i've stored that i've grown and shelled after i've sorted them out. i also don't find any bits of chewed up beans in containers of stored beans. i've never seen anything remotely like the pics that @jbosmith posted, yikes!
this year while shelling i am finding several worms per box and i haven't seen as many of these before so there's some kind of infestation out there that is increasing. i'm not sure yet which exact worm they are but they look like Western Bean Cutworm, but i'll have to look closer at the next one i find and see if it really is that or something else.