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Caterpillars in December?

I have brought my two rose geraniums into the conservatory for the winter and noticed that one was starting to look a bit unhappy. At the same time, I noticed lots of tiny black balls all over the windowsills near my houseplants, which made me think caterpillars had been around! I couldn't find any damage to the houseplants despite the evidence suggesting they had been around.

On closer inspection of the pelargoniums, I found two small green caterpillars nestling in amongst the sad-looking one, in a silky nest. Several leaves on the healthy geranium had been stripped and another caterpillar was found there. 

They looked like sawfly larvae but I'm not sure - isn't it a bit early for them? 

Posts

  • Judith 5Judith 5 Posts: 108

    I'm still finding tiny green caterpillars on my pelagoniums that I brought in to overwinter. I have the same black bits on the windowsills, it helps you to trace them!

  • I'm regularly patrolling them now! I still can't find anything on the other plants despite all the black bits but I'm keeping alert! Hope you catch all yours too!
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