Insect Identification

Discussion in 'HortForum' started by dietat, Jun 4, 2010.

  1. dietat

    dietat Member

    Messages:
    4
    Likes Received:
    0
    Location:
    Lancaster USA
    I live in Lancaster, SC. I am a container gardener. I'm having difficulty finding what is chewing my cucumber, squash and tomato leaves. There is no discoloration around the chewed areas and thus far the damage has been minimal. I have checked my plants from the ground up and at various times throughout the day and night with no success at finding (or seeing) the culprit(s). Does anyone know what might be happening?
     
  2. lorax

    lorax Rising Contributor 10 Years

    Messages:
    4,776
    Likes Received:
    6
    Location:
    Toronto, Ontario
    Can you show us a picture of the damage? It sounds like it might be from some type of beetle or cutworm, but without seeing the damage patterns, it will be difficult to diagnose the bug.
     
  3. dietat

    dietat Member

    Messages:
    4
    Likes Received:
    0
    Location:
    Lancaster USA
    Iorax, thank you for responding to my query. I have attached a picture of a damaged cucumber leaf.
     

    Attached Files:

  4. lorax

    lorax Rising Contributor 10 Years

    Messages:
    4,776
    Likes Received:
    6
    Location:
    Toronto, Ontario
    OK, that's definitely an odd damage pattern. I'd be looking for a beetle of some sort rather than a grub/cutworm or ants, since beetles are more likely to take out straight chunks, while the others make arced damage or tunnels. Also keep your eyes open for leafcutting wasps and bees - this isn't really their typical style but it is a possibility.

    If you want to try something preventative, give the plants a good soakdown in pyrethrum (chrysanthemum-derived insecticide) at a dilution of about 5:1 water to bug juice. If it's something so small that you can't see it, this will kill it dead in its tracks. However, if your plants are close to a water feature that contains fish, don't do this, because it will also kill your fish.
     
  5. saltcedar

    saltcedar Rising Contributor 10 Years

    Messages:
    4,398
    Likes Received:
    2
    Location:
    Austin, Tx
  6. Ron B

    Ron B Paragon of Plants 10 Years

    Messages:
    21,397
    Likes Received:
    850
    Location:
    Not here
    Yes: That is not chewing, that is a tear. Something has caused your plants to be subjected to mechanical damage.
     
  7. dietat

    dietat Member

    Messages:
    4
    Likes Received:
    0
    Location:
    Lancaster USA
    Thanks Ron. We do get very heavy, forceful rains here. No hail yet to my knowledge. If we do, I have tarps to cover my plants. Again, thanks.
     
  8. dietat

    dietat Member

    Messages:
    4
    Likes Received:
    0
    Location:
    Lancaster USA
    Thanks Iorax.
     

Share This Page