QuestionsPestsGarden TroublesUnidentified Insect in my polytunnel 0 Vote Up Vote Down Michael Redmond asked 10 years ago I’m trying to identify an insect I found in my polytunnel. Can you tell me what it is and what problems if any that it may cause? I have attached a photo of the small red bug. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Looks like a velvet spider…completely harmless and could be benficial.