Cacopsylla (genus)
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Cacopsylla Ossiannilsson, 1970
The genus contains more than 400 species (Psyl'list), some are important vectors of phytoplasma diseases of fruit trees like Cacopsylla pyri or C. pruni. They are often found on fruit trees and high numbers can also cause crop damage, e.g. through the formation of sooty molds on the fruits.
The adults are 2-4 mm long. Genal cones and pterostigma are present. In the following, additional important features of this genus are listed according to Jarausch and Burckhardt, 2010:
 | In the forewing, the main vein splits into 2 branches (not 3). The width of the field cu1 is larger or similar compared to its height (not higher than wide). The antennae are shorter than twice the width of the head, with a round cross section and few hairs. |
 | On the hindleg, the spines at the end of the tibia (usually 5) are grouped and the first tarsal segment is elongated, about double as long as wide. |
Currently, the following species have been entered into the system:
