Hornbeam Psyllid Nymph - Flickr - treegrow (1)

''Psylla'' (from the Greek ''psulla'', meaning

flea Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by ingesting the blood of their hosts. Adult fleas grow to about long, a ...

) is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of sap-sucking insects belonging to the order

Hemiptera Hemiptera (; ) is an order (biology), order of insects, commonly called true bugs, comprising over 80,000 species within groups such as the cicadas, aphids, planthoppers, leafhoppers, Reduviidae, assassin bugs, Cimex, bed bugs, and shield bugs. ...

. There are at least 110 described species in ''Psylla''. Species within the genus feed on various

host A host is a person responsible for guests at an event or for providing hospitality during it. Host may also refer to: Places * Host, Pennsylvania, a village in Berks County People *Jim Host (born 1937), American businessman * Michel Host ...

plants. Some harmful species commonly known as flies belong to neighbouring genera, such as ''

Cacopsylla ''Cacopsylla'' is a genus of bugs in the Psyllidae family, the jumping plant lice. The genus includes most of the ''psylla'' harmful to fruit trees. Species * ''Cacopsylla abdominalis'' * '' Cacopsylla acuminata'' * ''Cacopsylla affinis'' * ' ...

'' (which includes most of the pyslla harmful to fruit trees), the Albizia fly ('' Acizzia jamatonica'', from the

Psyllidae 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 ( ...

family) and the laurel fly ('' Trioza alacris'').

Species and hosts

* ''

Psylla alni ''Psylla alni'' is a species of psyllid, a plant-feeding hemipteran in the family Psyllidae. Distribution This species is present in the Palearctic realm (from Europe to Siberia and Sakhalin, Kazakhstan, Caucasus) and in the Nearctic realm (Ca ...

'' feeds on

alder Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few sp ...

s * ''

Psylla apicalis ''Psylla'' (from the Greek ''psulla'', meaning flea) is a genus of sap-sucking insects belonging to the order Hemiptera. There are at least 110 described species in ''Psylla''. Species within the genus feed on various host plants. Some ha ...

'' feeds on kowhai trees * ''

Psylla betulae ''Psylla'' (from the Greek ''psulla'', meaning flea) is a genus of sap-sucking insects belonging to the order Hemiptera. There are at least 110 described species in ''Psylla''. Species within the genus feed on various host plants. Some har ...

'' feeds on

birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 30 ...

es * ''

Psylla buxi ''Psylla buxi'', known generally as the boxwood psyllid or box sucker, is a species of plant-parasitic hemipteran in the family Psyllidae. It is native to Europe and introduced to North America. The psyllid causes cabbage-like leaf clusters, kn ...

'' feeds on box (''

Buxus ''Buxus'' is a genus of about seventy species in the family Buxaceae. Common names include box or boxwood. The boxes are native to western and southern Europe, southwest, southern and eastern Asia, Africa, Madagascar, northernmost South ...

'' species) * ''

Psylla cordata ''Psylla'' (from the Greek ''psulla'', meaning flea) is a genus of sap-sucking insects belonging to the order Hemiptera. There are at least 110 described species in ''Psylla''. Species within the genus feed on various host plants. Some har ...

'' feeds on limes (''

Tilia ''Tilia'' is a genus of about 30 species of trees or bushes, native throughout most of the temperateness, temperate Northern Hemisphere. The tree is known as linden for the European species, and basswood for North American species. In Britain a ...

'' species) * ''

Psylla frodobagginsi ''Psylla'' (from the Greek ''psulla'', meaning flea) is a genus of sap-sucking insects belonging to the order Hemiptera. There are at least 110 described species in ''Psylla''. Species within the genus feed on various host plants. Some har ...

'' feeds on kowhai trees * ''

Psylla oblonga ''Psylla'' (from the Greek ''psulla'', meaning flea) is a genus of sap-sucking insects belonging to the order Hemiptera. There are at least 110 described species in ''Psylla''. Species within the genus feed on various host plants. Some har ...

'' feeds on ''

Albizia odoratissima ''Albizia odoratissima'', a member of the family Fabaceae, is a fast-growing, deciduous tree reaching in height, a diameter of , and native to large parts of India (where it is known as கருவாகை, Kali siris or black siris), Banglad ...

'' * ''

Psylla pyri ''Psylla pyri'', commonly known as the pear psylla or pear psyllid, is an insect in the family Psyllidae. Originating in Europe and Asia, it has spread to North America. It is a pest of pear trees, sucking the sap, damaging the foliage, flowers ...

'' feeds on

European pear ''Pyrus communis'', the common pear, is a species of pear native to central and eastern Europe, and western Asia. It is one of the most important fruits of temperate regions, being the species from which most orchard pear cultivars grown in Eur ...

trees

References

Psyllidae Psylloidea genera Taxa named by Étienne Louis Geoffroy {{Sternorrhyncha-stub

Species and hosts

See also

References