Tessaratoma papillosa
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Tessaratoma papillosa (Drury, 1770) - (litchi stink bug)
This plant bug is native to parts of southern Asia from India to parts of southern China. It is invasive in Taiwan, where it has been first recorded in 1997 and has become a serious pest of a number of fruit trees. In particular, it sucks the shoots and young fruits of litchi, longan and citrus, causing flower drop, damaged fruits, including premature fruit drop, and wilting of twigs.
The damages can result in 20–30% yield losses on litchi and longan, sometimes up to 80% in severely infested areas. In addition, it is a public health hazard because it excretes a defensive substance which irritates the human skin and can even cause temporary blindness when coming in contact with the eyes. On the other hand, the bugs are consumed as food in some parts of Asia.
There is one generation per year with eggs being laid in early spring and adults emerging in late summer or autumn. It overwinters in the adult stage. The adults are 25-30 mm long.
- Other images of Tessaratoma papillosa (Wikimedia Commons - click to enlarge)
nymphs
adult
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