Fourlined Plant Marauders

Fourlined Plant Bugs are one of the sneakiest, quickest hitting spring pests found in Ohio. Hordes of hungry nymphs and adults descend seemingly out of nowhere to cause extensive leaf damage, then they just fade away leaving behind their foliar wreckage.
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Authors
Joe Boggs

Holey Oaks and Chestnuts

The holey handiwork of the Oak Shothole Leafminer (Japanagromyza viridula, syn. Agromyza viridula) is appearing on its namesake hosts in southern Ohio. Similar damage may be seen on Chinese chestnuts (Castanea mollissima). The leafminer is a small fly belonging to the family Agromyzidae; the leafminer flies.
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Authors
Joe Boggs

Holey Elms

Elm Flea Weevils (Orchestes steppensis) produce three types of damage on their namesake host: holes in the leaves, distorted leaves, and blotch-type leafmines. The three symptoms are currently on display in southern Ohio.
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Authors
Joe Boggs

Major Miner on Elm

The leaves of elms may be turning brown in southern and central Ohio thanks to the leafmining activity of the Elm Leafminer Sawfly, Fenusa ulmi (= Kaliofenusa ulmi). The sawfly larvae undergo rapid development, so damage occurs quickly.
Published on
Authors
Joe Boggs