Psyllid vs Formosa Long-armed Scarab

Side-by-side species comparison

Attribute Psyllid Formosa Long-armed Scarab
Scientific Name Diaphorina citri Cheirotonus formosanus
Order Hemiptera Coleoptera
Family Liviidae Euchirinae
Size 3-4 mm 40-60 mm
Habitat Orchards Forests
Diet Sap Feeders Sap Feeders
Regions Asia, Americas, Africa Taiwan
Conservation Least Concern Endangered

Psyllid

A small sap-sucking insect that vectors citrus greening disease, the most devastating citrus disease worldwide. Infected trees produce bitter misshapen fruit and eventually die.

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Did You Know?

The disease it spreads has caused billions of dollars in losses and threatens global citrus production.

Formosa Long-armed Scarab

A rare Taiwanese scarab with elongated forelimbs and a dark chestnut-brown body. It is found only in old-growth mountain forests on the island.

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Did You Know?

Illegal collecting for the pet trade has made this one of the most threatened beetles in East Asia.