Hummingbird Hawkmoth Caterpillar from Bulgaria

Subject: caterpillar
Location: Bulgaria
July 14, 2016 5:55 am
We found this little guy crawling on our balcony. He’s pretty tiny, so maybe his coloring will be different as he grows. We’d like to try and watch him grow, but aren’t sure what he’d eat. We’re in Sofia, Bulgaria.
Signature: Deborah

Hummingbird Hawkmoth Caterpillar
Hummingbird Hawkmoth Caterpillar

Dear Deborah,
This looks like a Hummingbird Hawkmoth Caterpillar,
Macroglossum stellatarum, a species that is included on Wild About Britain.  According to UK Moths:  “The larvae feed on bedstraw (Galium), and some of these may hatch and give rise to autumn adults in an influx year.”  According to Lepidoptera and their Ecology:  “In Central Europe every year countless caterpillars are destroyed by excessive mowing of the meadows and roadsides, but this has probably little impact on the migratory species.”

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