Emerald Ash Borer infestations will likely intensify due to the recent polar vortex:
1 Feb 2019 This is What Actually Happens to Ash Borers in Extreme Cold
This Is What Actually Happens to Ash Borers in the Extreme Cold
This is an introduced Chinese insect that is used to eating (and using) the arsenic from its host tree, though in the U.S., it's host tree does not provide it arsenic. This 'new' U.S. host tree (Fraxinus) works against the hardening of this beetle's jaws, antipode to arsenic used in the hardening process of lead bullets. Thus the cold renders the lack of arsenic in U.S. tree bark less useful in combatting the insect.
1 Feb 2019 This is What Actually Happens to Ash Borers in Extreme Cold
This Is What Actually Happens to Ash Borers in the Extreme Cold
This is an introduced Chinese insect that is used to eating (and using) the arsenic from its host tree, though in the U.S., it's host tree does not provide it arsenic. This 'new' U.S. host tree (Fraxinus) works against the hardening of this beetle's jaws, antipode to arsenic used in the hardening process of lead bullets. Thus the cold renders the lack of arsenic in U.S. tree bark less useful in combatting the insect.