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Pachypsylla
''Pachypsylla'' is a genus of psyllids. Species of the genus ''Pachypsylla'' lay eggs on the leaves of the ''Celtis occidentalis'' tree. Upon hatching, the young psyllids become encased in a gall which the young leaf parts grow in response to the infestation. Species The following species are recognised in the genus ''Pachypsylla'': *'' Pachypsylla celtidisasterisca'' Riley, 1890 *'' Pachypsylla celtidiscucurbita'' Riley, 1890 *'' Pachypsylla celtidisgemma'' Riley, 1885 – hackberry bud gall maker *'' Pachypsylla celtidisglobula'' Riley, 1890 *''Pachypsylla celtidisinteneris'' Mally, 1894 *''Pachypsylla celtidismamma'' (Riley, 1881) – hackberry nipplegall maker *''Pachypsylla celtidispubescens'' Riley, 1890 *''Pachypsylla celtidisumbilicus'' Riley, 1890 *''Pachypsylla celtidisvesicula'' Riley, 1890 – hackberry blistergall psyllid *''Pachypsylla cohabitans'' Yang & Riemann, 2001 *''Pachypsylla dubia'' Patch, 1912 *''Pachypsylla pallida'' Patch, 1912 *''Pachypsylla tropic ...
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Pachypsylla Venusta
''Pachypsylla'' is a genus of psyllids. Species of the genus ''Pachypsylla'' lay eggs on the leaves of the ''Celtis occidentalis'' tree. Upon hatching, the young psyllids become encased in a gall which the young leaf parts grow in response to the infestation. Species The following species are recognised in the genus ''Pachypsylla'': *'' Pachypsylla celtidisasterisca'' Riley, 1890 *'' Pachypsylla celtidiscucurbita'' Riley, 1890 *'' Pachypsylla celtidisgemma'' Riley, 1885 – hackberry bud gall maker *'' Pachypsylla celtidisglobula'' Riley, 1890 *'' Pachypsylla celtidisinteneris'' Mally, 1894 *'' Pachypsylla celtidismamma'' (Riley, 1881) – hackberry nipplegall maker *'' Pachypsylla celtidispubescens'' Riley, 1890 *''Pachypsylla celtidisumbilicus'' Riley, 1890 *'' Pachypsylla celtidisvesicula'' Riley, 1890 – hackberry blistergall psyllid *'' Pachypsylla cohabitans'' Yang & Riemann, 2001 *''Pachypsylla dubia ''Pachypsylla'' is a genus of psyllids. Species of the genus ' ...
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Pachypsylla Celtidisasterisca
''Pachypsylla'' is a genus of psyllids. Species of the genus ''Pachypsylla'' lay eggs on the leaves of the ''Celtis occidentalis'' tree. Upon hatching, the young psyllids become encased in a gall which the young leaf parts grow in response to the infestation. Species The following species are recognised in the genus ''Pachypsylla'': *'' Pachypsylla celtidisasterisca'' Riley, 1890 *'' Pachypsylla celtidiscucurbita'' Riley, 1890 *'' Pachypsylla celtidisgemma'' Riley, 1885 – hackberry bud gall maker *'' Pachypsylla celtidisglobula'' Riley, 1890 *''Pachypsylla celtidisinteneris'' Mally, 1894 *''Pachypsylla celtidismamma'' (Riley, 1881) – hackberry nipplegall maker *''Pachypsylla celtidispubescens'' Riley, 1890 *''Pachypsylla celtidisumbilicus'' Riley, 1890 *''Pachypsylla celtidisvesicula'' Riley, 1890 – hackberry blistergall psyllid *''Pachypsylla cohabitans'' Yang & Riemann, 2001 *''Pachypsylla dubia'' Patch, 1912 *''Pachypsylla pallida'' Patch, 1912 *''Pachypsylla tropic ...
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Pachypsylla Dubia
''Pachypsylla'' is a genus of psyllids. Species of the genus ''Pachypsylla'' lay eggs on the leaves of the ''Celtis occidentalis'' tree. Upon hatching, the young psyllids become encased in a gall Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external Tissue (biology), tissues of plants, fungi, or animals. Plant galls are abnormal outgrowths of plant tissu ... which the young leaf parts grow in response to the infestation. Species The following species are recognised in the genus ''Pachypsylla'': *'' Pachypsylla celtidisasterisca'' Riley, 1890 *'' Pachypsylla celtidiscucurbita'' Riley, 1890 *'' Pachypsylla celtidisgemma'' Riley, 1885 – hackberry bud gall maker *'' Pachypsylla celtidisglobula'' Riley, 1890 *'' Pachypsylla celtidisinteneris'' Mally, 1894 *'' Pachypsylla celtidismamma'' (Riley, 1881) – hackberry nipplegall maker *'' Pachypsylla celtidispubescens'' Riley, 1890 *'' Pachypsy ...
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