Lychee Stink Bug

Tessaratoma papillosa · Order: Hemiptera · Family: Tessaratomidae

Damages trees, gardens or crops. It damages lychee and longan trees by feeding on buds, shoots, flowers and fruits, causing drop and withering.

Source: Wikipedia

Lychee Stink Bug — Photo: Lawrence Hylton, CC BY

Adults are shield-shaped, yellowish-brown and measure about 24 to 28 mm long and 15 to 17 mm wide. They live in Indomalaya, Australasia and Eastern Asia where they feed on lychee and longan trees.

Source: Wikipedia

How to recognize it

The bug has a shield-shaped body with yellowish-brown colour and dark brown antennae that have four segments.

Source: Wikipedia

Size

Body length is 24 to 28 mm and width is 15 to 17 mm.

Source: Wikipedia

Is it a pest in the house?

Because it damages lychee and longan crops, it is regarded as an agricultural pest that causes economic losses.

Source: Wikipedia

Life cycle

Nymphs go through five instars. The first instar is oval and about 4 to 5 mm long.

Source: Wikipedia

Where it comes from

Its native range includes Indomalaya, Australasia and Eastern Asia.

Source: Wikipedia

More photos

Lychee Stink Bug photo 3 — Photo: portioid, CC BY

Lychee Stink Bug photo 4 — Photo: Lawrence Hylton, CC BY

Lychee Stink Bug photo 5 — Photo: Cheryl Stinchcomb, CC BY

Lychee Stink Bug photo 6 — Photo: Hannah Freedman, CC BY

Questions people ask

Why is the lychee stink bug considered a pest?

Its feeding damages lychee and longan crops, leading to significant economic losses for farmers.

Source: Wikipedia

Same family (Tessaratomidae)

Bronze Orange BugMusgraveia sulciventrisDamages trees, gardens or crops

Sources

Wikipedia: https://en.wikipedia.org/wiki/Tessaratoma_papillosa

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.