Dysdercus decussatus
Daily sighting probability ~10% · With luck
at Singapore

In 3 days ~20% in a week ~40%

168 Verified sightings at Singapore
October Best month

About the Dysdercus decussatus

Dysdercus decussatus, the fork-banded cotton bug, is a species of true bug in the family Pyrrhocoridae and genus Dysdercus. Dysdercus decussatus is a medium-sized bug with a body length of 11–16 mm. It features a distinctive red body with black legs and a head that can be either red or black. The forewings display a prominent X-shaped or fork-like white band, which aids in distinguishing it from similar species in the region. Nymphs are characterized by a black head. It is also known regionally as the "Cotton Stained Bug" or "Cotton Striped Bug."

This species is widely distributed across tropical South and Southeast Asia, from Sri Lanka to the Malay Archipelago, as well as New Guinea, northern Australia, and several Pacific islands. It also occurs in adjacent temperate regions such as northern China and Japan. In Taiwan, its distribution is limited to the southern regions and Lanyu Island.

Dysdercus decussatus is commonly found in groups under leaves or among the flowers and fruits of host plants such as those in the genera Hibiscus and Thespesia. It prefers tropical and subtropical environments, often associated with coastal or agricultural... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Singapore 🇸🇬 Singapore
~10%
2 Hong Kong 🇨🇳 China
<5%

Before you go

What are the chances of seeing a Dysdercus decussatus in Singapore?

With luck

About 10% of wildlife watchers report a Dysdercus decussatus sighting in Singapore on a given day, based on 168 verified sightings from GBIF citizen-science data. It is the 166th most-seen of the 1045 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Dysdercus decussatus in Singapore?

August to June

In those months about 10% of wildlife watchers report a Dysdercus decussatus in Singapore on a given day, against under 5% in July, the lowest month.

Is Singapore the best place to see a Dysdercus decussatus?

Yes

Of the 2 cities where we can rate Dysdercus decussatus sightings, Singapore has the highest daily chance: about 10%. Next come Hong Kong (China, under 5%).

Where does the Dysdercus decussatus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Dysdercus decussatus is recorded against all the insects logged in Singapore (168 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

← Back to Singapore