Family Psyllidae – Jumping Plant Lice


80 UK species. These are small bugs with relatively long antennae. Psyllids have varied life-cycles, with nymphs of some species forming galls on plants, often host specific.


Box Sucker Psylla buxi

Also called Boxwood Psyllid, it is a sexually dimorphic green psyllid with an orange abdomen tip, pinkish edges on the post-pronotum, and a dark collar.

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Ash Psyllid Psyllopsis fraxini

Pale rolled leaves turning purple or red on Ash (Fraxinus excelsior) indicate the presence of the very common psyllid Psyllopsis fraxini. Galls develop early in the summer when nymphs hatching from over-wintered eggs feed on the leaves.

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Cacopsylla sp.

Cacopsylla sp.

Cacopsylla is a large and difficult genus which requires microscopic scrutiny of the male genitalia for accurate identification. According to Joe Botting of British Bugs this is either Cacopsylla melanoneura or Cacopsylla affinis.

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