Phylloxera querceti

In Progress

Family: Phylloxeridae (True Bug) | Genus: Phylloxera

Detachable: Integral
Color: yellow
Texture: hairless
Abundance:
Shape: numerous
Season: Fall
Alignment: integral
Walls:
Location: upper leaf, lower leaf, leaf midrib, on leaf veins, between leaf veins
Form: leaf spot
Cells: not applicable
Possible Range:
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Gall image

On Quercus alba. Tentatively identified as P querceti. Symptoms are consistent but other Phylloxera species are possible.

Image by Jeff Clark © CC-BY

Image Details

Gall image
Source:
License: CC-BY
Attribution:
Creator: Jeff Clark
Uploader: adamjameskranz
Last Modified: adamjameskranz
Caption: On Quercus alba. Tentatively identified as P querceti. Symptoms are consistent but other Phylloxera species are possible.
Gall image
Image by Jeff Clark © CC-BY

Further Information (1)

Aphids on the world's plants - Roger Blackman, Victor Eastop (2013) [Link]

License: All Rights Reserved

See Also:
iNaturalist BugGuide Google Scholar Biodiversity Heritage Library
Created Feb 4, 2026 1:47 PM UTC • Last updated Feb 4, 2026 1:47 PM UTC