Pachypsylla Celtidismamma on:
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''Pachypsylla celtidismamma'', known generally as the hackberry nipplegall maker or hackberry psylla, is a species of plant-parasitic hemipteran in the family 
Aphalaridae
Aphalaridae is a bug family in the superfamily Psylloidea
PsylloideaOuvrard D: ''The ...
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References
Further reading
* *External links
* Aphalaridae Insects described in 1883 {{sternorrhyncha-stub