Description of pin oak sawflies. The oak sawfly is a wasp. However, the larvae are sometimes called "slugs" because they superficially resemble true slugs (shiny/slimy and nonsegmented in appearance, largest just behind the head and tapering toward the tail end).

Hosts: Northern red oak, northern pin oak, pin oak, swamp white oak, white oak and bur oak. Damage: Larvae damage plants by windowpane feeding on the lower surface of the leaves between the veins. The upper surface of the leaf remains but eventually dries and turns brown; there is only minor damage.

Several species of oak sawflies commonly attack the foliage of oak trees. The scarlet oak sawfly, Caliroa quercuscoccineae, feeds on red and white oaks but is most common in Iowa on northern red oak and pin oak. Sawfly larvae damage the plants by …

Apr 17, 2020 · Oak slug sawfly, also known as the scarlet oak sawfly, feeds on scarlet, pin, black and white oaks. As larvae they are slug-like in appearance and even have a coating of slime to adhere to leaves. They feed on the underside of oak leaves, creating a transparent “windowpane” and skeletonization.

Jan 22, 2023 · There are several species of Oak Sawflies such as scarlet oak sawfly (Caliroa quercuscoccineae) which is native to the eastern United States and feeds on white oak, scarlet oak, pin oak and black oak and can be found in Canada in the prov. of NF, ON and QC as well as many American states (Eiseman C. S., Smith D. R., and Woods P., (2022)).

The scarlet oak sawfly will be discussed first, followed by the oak spider mite & finally the oak lace bug. All three pest species have multiple generations during the summer months & therefore can be observed throughout most of the season.

Scarlet Oak Sawfly, Caliroa quercuscoccineae, is a native species which attacks several types of oaks but is most common on northern red oak and pin oak. The slimy-looking larvae feed in groups on the lower surface of the leaves, leaving only a fine network of veins which gives the leaf a transparent appearance.

Sep 3, 2020 · Pin oak Kermes scale (Allokermes galliformis) is a native scale insect that attacks the shoots of young red oaks. These scales suck plant juice from the twigs and stems. The impacted tree shoots often die at the scales’ feeding site, or branches are weakened at that point and may break off later.

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The pin oak sawfly feeds on the lower surface of oak leaves, leaving only the upper surface and a fine network of veins. Defoliation first appears in the upper tree crown, but complete defoliation …