Pls help. brown layer on stem.

[Shakes 48]

Hi guys.

just went to check my outdoor plants and i noticed one of them has this brown layer on one of its side stem.

she is a week or 2 away from harvest and i dont want anything to happen.

can anyone identify the situation? maybe even some tips on getting rid of it?

[Secret Squirrel 18]

They look like some sort of Bug . like mites / Thrips or something . I would spray the plant with Pyrethrium insect pest killer 

[Shakes 48]

*Update*

So this is the next day and just befor i started spraying some potash soap (at leats thats what i think its called. we call it kaliseife) i notices the bud over that side stem was dried out. so yeah these beasts sucked the nutrients from the base of the stem. nasty little things!

ill do another update once these bugs are dead and surly gone.