Blastopsylla occidentalis

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Blastopsylla occidentalis (male)
Authors: S.E. Thorpe
Source: Wikimedia Commons

Blastopsylla occidentalis Taylor, 1985 - (eucalyptus psyllid, eucalypt shoot psyllid)

This psyllid is native to southern and western Australia and has been accidentally introduced into various regions and countries. For example it was first reported from Brazil in 1997, from Florida in 2001 and from Italy in 2006. It is now found in many eucalypt growing areas of the Americas, Asia, Africa and southern Europe.

Mainly young shoots and inflorescences of eucalypt trees are infested, resulting in reduced growth and fall of flowers. The larvae secrete large amounts of wax and honeydew which promotes the growth of sooty mould. There are 5-6 generations under tropical conditions. The adults are small 1½ - 2 mm long, yellowish (males) to dark brown (females).