Location: Southeast Pennsylvania
March 25, 2017 9:16 am
We found this on a knock out rose bush, that came with a home we just bought. We did find evidence of rose cane borers, but this doesn’t appear to be related. Did some searching for chrysalis and cocoons online, but they all see so much prettier than this.
This is the ootheca or egg case of a Preying Mantis. When the weather warms, several hundred hatchlings should emerge. Mantids are predators that will help keep unwanted insects from your plants without the use of pesticides.