Disappearing insects could mean far worse than pricier coffee and chocolate'Insects don’t issue press releases. ‌Critical care physician Dr Joseph Varon writes in The Defender that plummeting creepy-crawly numbers should be treated like a clinical red flag: an early sign the systems sustaining human life are under strain. Subscribe to our weekly weird science newsletterAbout three-quarters of global crops rely on animal pollination, mostly by insects. The decline in insects should not come as a surprise. Dr Varfon writes: “Insects don’t issue press releases.