Pachypsylla Celtidisvesicula
''Pachypsylla celtidisvesicula'', commonly called the hackberry blistergall psyllid, is a species of aphalarid psyllid Psyllidae, the jumping plant lice or psyllids, are a family of small plant-feeding insects that tend to be very host-specific, i.e. each plant-louse species only feeds on one plant species (monophagous) or feeds on a few closely related plants ( ... found in North America. The nymphs of this species induce blister-like galls on the leaves of various hackberries (''Celtis'' spp.) throughout its range. It closely related to the more common hackberry nipplegall psyllid (''Pachypsylla celtidismamma''), which it strongly resembles as an adult. References {{Taxonbar, from=Q10614785 Aphalaridae Insects described in 1890 ...
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Aphalaridae
Aphalaridae is a bug family in the superfamily Psylloidea PsylloideaOuvrard D: ''The World Psylloidea Database''
is a

Description

There may be five subfamilies, with a worldwide distribution. The metatibia with an open crown of sclerotised apical spurs.

Genera

''BioLib''BioLib.cz
Aphalaridae Löw, 1879 includes: # ''
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Psylloidea
PsylloideaOuvrard D: ''The World Psylloidea Database''
is a superfamily of

true bugs

, including the jumping plant lice and others which have recently been classified as distinct families. Though the group first appeared during the Early Jurassic, modern members of the group do not appear until the

Eocene

, and

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Celtis
''Celtis'' is a genus of about 60–70 species of deciduous trees, commonly known as hackberries or nettle trees, widespread in warm temperate regions of the Northern Hemisphere. The genus is part of the extended hemp family (Cannabaceae). Description ''Celtis'' species are generally medium-sized trees, reaching tall, rarely up to tall. The leaves are alternate, simple, long, ovate-acuminate, and evenly serrated margins. Diagnostically, ''Celtis'' can be very similar to trees in the Rosaceae and other rose motif families. Small flowers of this monoecious plant appear in early spring while the leaves are still developing. Male flowers are longer and fuzzy. Female flowers are greenish and more rounded. The fruit is a small drupe in diameter, edible in many species, with a dryish but sweet, sugary consistency, reminiscent of a date. Taxonomy Previously included either in the elm family (Ulmaceae) or a separate family, Celtidaceae, the APG III system places ''Celtis'' ...
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Pachypsylla Celtidismamma
''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 ...