Glycaspis brimblecombei

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Glycaspis brimblecombei adult female.
Author: Bruno Espinosa
Click to enlarge.

Glycaspis brimblecombei Moore, 1964 - (red gum lerp psyllid)

The psyllid is native to Australia and has been accidentally introduced into eucalypt plantations in various regions, sometimes together with the parasitoid Psyllaephagus bliteus. It has been recorded from California since 1998 and subsequently spread to other parts of North- and South America. Since 2008 it is found in Spain and also spread to Italy and Greece.

It feeds on the leaves of various species of eucalypts, producing honeydew which promotes sooty moulds. Heavy infestations result in chlorosis, leaf drop and twig dieback which may lead to plant death. Dispersal occurs through plant material as well as the flying adults.

Vernacular names
• English: red gum lerp psyllid
• Español: psilido de los eucaliptos rojos
• Português: psilídeo-de-concha

The life cycle lasts 1-2 months and there can be several generations per year (2-4 in Australia). The adults are yellowish orange to light green, about 4-5 mm long from head to the wing tips. The nymphs construct conical shelters out of wax filaments, so-called lerps.