Thrip are probably one of the hardest flies to actually see. The fecal deposits they leave on the underside of leaves are usually noticed long before the thrip itself. |
Before putting the corms and cormels into storage, dust them with an insecticide for thrip control. |
Nevertheless for the sake of discussion here, I posit a situation that engages experts and uses the thrip infestation as a hypothetical case study. |
A potful of Nicotiana langsdorfii has been attacked by some kind of leaf-sucking thrip or capsid bug. |