ID Of Beetle And Grub

Question

Saw small white eggs and black/reddish-brow insects on rosemary plant today and would appreciate an ID. There also appears to be a grub on the same rosemary frond. What are they and do I need to take action?

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Answer 1

Those appear to be the intermediary stage for the Ladybug, or ladybeetle, as you may call them there.

They are going to do their best at helping with the spider mite infestation that I see.

Leave them, but if they don't treat your plants, fully, then spray for spider mites once the ladybugs are gone.

Here are some articles that will help:

https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm

You will be, ultimately, left with an infection from the mites. This will need to be treated with a fungicide.

This article will help:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm