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),... 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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