white pine
Pine Tube Moth
Individual Pine Tube Moth (Argyrotaenia pinatubana) caterpillars use silk to form a hollow tube by binding together 10 - 20 needles. They then move up and down their silk-lined tube to feed on the tips of the bound needles. Once they've almost eaten themselves (literally) out of house and home, the caterpillars will move to another set of needles to repeat their tube-making needle-feeding behavior. The caterpillars eventually pupate within their needle tubes.
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Cicadas and Conifers
Last week, driving along I-71 in northeast Ohio with an entomologist friend Dan Herms, we noticed small areas of browning on trees, including honeylocusts, that we passed while I was driving the legal speed limit. Unthinkingly, on the fly, I mentioned that it looked like mimosa webworm damage was showing up. Politely, Dan pointed out that that the many species of trees, from oaks to honeylocusts, from hickories to maples and many more, were exhibiting flagging from – cicada damage. Duhh, having seen and heard cicadas in this Medina/Lorain County area, I should have known. Damage on these...