Tetrarthria variegata
In 3 days ~10% in a week ~20%
Tetrarthria variegata is a species of plant bug in the family Scutelleridae. It is highly variable in its patterning and coloration and only one species is recognized in the genus. The species is widely distributed in South and Southeast Asia. The genus is unique in the family in having a four-segmented antenna. The coloration varies, some forms being a uniform creamy brown while others are patterned, and in the past several of the colour forms were described as species. It feeds on many agricultural crop plants where it is considered as a pest. The species is widely distributed within Asia and spreads with agriculture. They have been seen as far east as Japan.
The species was described and given a binomial name by William Sweetland Dallas in 1851. He placed it in a new genus of its own. The type specimen came from the Philippines and was part of a collection made by Hugh Cuming. The tip of the membrane of the hindwing juts out slightly at rest. The tip of the proboscis (labium) reaches past the middle of the abdomen. There is slight furrow on the abdominal ventrites within which the proboscis is held but no furrow on the sternal region. The head has a central lobe that protrudes and the rostrum tip reaches the hind margin of the fourth ventral segment. The antenna has a short basal segment which falls short of the tip of the head. The remaining three segments have the second and fourth of about the same length and twice as long as the first. The third segment is the longest being the length of the first and second combined. The legs have three tarsi.
The species Tetrarthria flagrans described by Walker in 1867 is now placed in the genus Paracalliphara while Tetrarthria nigra which was also described by Walker in 1867 is a synonym of Calliphara praslinia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Hong Kong | 🇨🇳 China |
Rare
Under 5% of wildlife watchers report a Tetrarthria variegata sighting in Hong Kong on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 868th most-seen of the 1125 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Tetrarthria variegata in Hong Kong on a given day, so our monthly data shows no clear season.
Only Hong Kong, in our data
Hong Kong is the only city on Wallace's Line with enough records to rate Tetrarthria variegata sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Tetrarthria variegata is recorded against all the insects logged in Hong Kong (7 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.
