Hackberry Gall Psyllid on the tip of a pencil Printer-friendly format In September and October... Hackberry Gall Psyllid on the tip of a pencil Printer-friendly format In September and October,... Figure 2. Adult hackberry petiole gall psyllid Pachypsylla venusta (Osten-Sacken). Photograph by... Figure 2. Adult hackberry petiole gall psyllid, Pachypsylla venusta (Osten-Sacken). Photograph by... Hackberry Psyllid – Pachysylla sp. [ 1 ] [ 2 ] Hackberry Psyllid – Pachysylla sp. [ 1 ] [ 2 ] Figure 8. Sugarberry Celtis laevigata Willd. (Celtidaceae) is a host for the hackberry petiole... Figure 8. Sugarberry, Celtis laevigata Willd. (Celtidaceae), is a host for the hackberry petiole... © Copyright Sheryl Pollock 2011 · -1 Pachypsylla celtidismamma Psyllid Wasp causes Hackberry Nipple... © Copyright Sheryl Pollock 2011 · -1 Pachypsylla celtidismamma, Psyllid Wasp causes Hackberry Nipple... Figure 7. Hackberry Celtis occidentalis L. (Celtidaceae) is a host for the hackberry petiole gall... Figure 7. Hackberry, Celtis occidentalis L. (Celtidaceae), is a host for the hackberry petiole gall... Figure 4. Petiole gall psyllid nymph Pachypsylla venusta (Osten-Sacken) with gall showing... Figure 4. Petiole gall psyllid nymph, Pachypsylla venusta (Osten-Sacken), with gall showing... Figure 3. Petiole gall psyllid nymph Pachypsylla venusta (Osten-Sacken) with gall showing... Figure 3. Petiole gall psyllid nymph, Pachypsylla venusta (Osten-Sacken), with gall showing... Figure 6. Apical view of abdomen of petiole gall psyllid Pachypsylla venusta (Osten-Sacken)... Figure 6. Apical view of abdomen of petiole gall psyllid, Pachypsylla venusta (Osten-Sacken),... Figure 5. Dorsal view of tip of abdomen of petiole gall psyllid Pachypsylla venusta (Osten-Sacken)... Figure 5. Dorsal view of tip of abdomen of petiole gall psyllid, Pachypsylla venusta (Osten-Sacken),... Nancy Moran The University of Arizona. The bright yellow structure inside this newly hatched... Nancy Moran, The University of Arizona. The bright yellow structure inside this newly hatched... Figure 1. Petiole gall on sugarberry Celtis laevigata . Photograph by Jerry F. Butler University... Figure 1. Petiole gall on sugarberry, Celtis laevigata . Photograph by Jerry F. Butler, University...
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