Sagging/wilting leaf edges on mature leaves

my leaf edges are wilting on my mature leaves only but rest of the plant looks good in color.only other thing i see are moth looking bugs about 3/8 if an inch long. ph at 6.0 +/-

Can you post a pic in natural light and we can really help out

Sounds like maybe gnats. And the wilting lower leaves may be completely normal, but I agree. We need a picture, please.

Can’t see the plant without a pic