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Raising Eastern Black Swallowtails - Round 2

7 years ago
last modified: 7 years ago

Well, I said I wasn't going to raise Eastern Black Swallowtails in enclosures again since they have a much lower egg to butterfly success than the others types I have raised. And, no one had parsley, fennel or dill when my supply ran out in July.


But, my plants have recovered and the stores are selling the plants again. My plants are covered with eggs and tiny cats!


Last night, I brought in several stems of dill flower heads that had lots of itty bitty cats (some barely specks) that were no bigger than 1/4". This morning those specks are almost a 1/4" long and the larger ones are 1/2" long and I counted 24 cats!! They are still enjoying eating the dill flowers.


I added a big parsley plant and several fennel cuttings so they have a smorgasbord of their favorites :) Following are a few pics. Shooting inside a crowded enclosure with a macro lens and my shaky hands doesn't result in the best pics.

Comments (13)

  • 7 years ago


  • 7 years ago

    Thanks Iris! I think your pics are pretty cool.


  • 7 years ago
    last modified: 7 years ago

    They're growing up...getting their stripes :) The little specks are now over 1/4" long. Some are moving over to the parsley.


  • 7 years ago

    You must be feeding them very well! They are growing so fast.

    Rhonda thanked Iris S (SC, Zone 7b)
  • 7 years ago

    They are growing fast! I just brought the eggs and itty bitties in 2 days ago. They are so cute :)

  • 7 years ago

    Congrats! Really great photos and they are definitely cute! I had a late influx and have released over 30 in the last week. One day I came home and there were 13 butterflies in the cage! It's a reptile cage and pretty big, so I picked the whole thing up, took it outside, and opened the door. :)



    Rhonda thanked weed30 St. Louis
  • 7 years ago

    Thanks Weed! Wow! I would have loved to seen that!

  • 7 years ago

    From your pictures, it looks like you might!

    Rhonda thanked weed30 St. Louis
  • 7 years ago
    last modified: 7 years ago

    I am amazed at how quick these guys are growing and at the difference in coloration of the larger ones. A few have lots of green, others are mostly white. 2 have attached and are forming their chrysalis.

    I'm using fennel cuttings in the vase and a pot of parsley. They prefer the fennel but they go through it so quickly.

    I've been cleaning the enclosure twice a day, they sure poop a lot!


    Here, they have eaten all the fennel and are transitioning over to the parsley. The fennel has since been replenished.

    This one is pre-poop shaking off LOL

  • 7 years ago

    Wow, Rhonda, there are a lot of them! Great pictures!

    Rhonda thanked Iris S (SC, Zone 7b)
  • 7 years ago
    last modified: 7 years ago

    Thanks Iris! Yes, and they are eating me out of house and home LOL They ate 2 big pots of parsley yesterday! I cut a bunch more fennel this evening and added the last pot of parsley. I'm thinking that my fennel will be gone before they all attach.

    I now have 2 chrysalis and 6 that attached today.

  • 7 years ago
    last modified: 7 years ago

    NOTE: I POSTED THIS SAME RESPONSE ON THE ORANGE BARRED SULPHUR DISCUSSION

    I had a set back with both the orange-barred and Eastern Black swallowtails in my two enclosures last week. Both enclosures are on a raised table on the screened in lanai and were cleaned at least once a day.

    I went out in morning last Wednesday or Thursday to find thousands of tiny red ants in the enclosures attacking the caterpillars and chrysalis that had formed. The ants were everywhere! I was heartbroken as many of the caterpillars were dead and being eaten as were some chrysalis.

    I rushed both enclosures outside and carefully removed the vases of cuttings, the newspapers and the chrysalis that were attached to the enclosure ceilings and tree branches. I took them to a safe, unaffected table in the lanai.

    I then sprayed the enclosures with ant spray and then hosed them down and thoroughly washed them with bleach and water. I also sprayed the table that the enclosures sat on with ant spray and cleaned it as well. After the enclosures dried, I got fresh cuttings and returned the cats and chrysalis to the enclosures.

    All I can figure is that the ants were in the soil of the parsley pots that I had in the EBS enclosure and migrated to the OBS enclosure as I couldn't find any ants anywhere else on the lanai.

    I figure that I lost 2/3s of the cats and 1/4 of the chrysalis. I am devastated as I have been very diligent in taking care of the eggs/cats. None of the 8 OBS chrysalis have eclosed yet (there's 2 pink ones) but they look healthy. I have had 3 gorgeous EBSs eclose the past 2 days and there are still 11 chrysalis. I haven't seen anymore ants :)