Scirtothrips dorsalis
In 3 days ~50% in a week ~80%
Scirtothrips dorsalis, the chilli thrips or yellow tea thrips, is an extremely successful invasive species of pest-thrips which has expanded rapidly from Asia over the last twenty years, and is gradually achieving a global distribution. It has most recently been reported in St. It is a pest of economic significance with a broad host range, with prominent pest reports on crops including pepper, eggplant, mango, citrus, strawberry, grapes, cotton, tea, peanuts, blueberry, and roses. Chilli thrips appear to feed preferentially on new growth, and infested plants usually develop characteristic wrinkled leaves, with distinctive brown scarring along the veins of leaves, the buds of flowers, and the calyx of fruit. Feeding damage can reduce the sale value of crops produced, and in sufficient numbers, kill plants already aggravated by environmental stress. This thrips has also been implicated in the transmission of three tospoviruses, but there is some controversy over its efficiency as a vector.
This thrips has a rapid life cycle, and can develop from egg to adult in slightly less than two weeks under optimal weather conditions... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kaohsiung | 🇹🇼 Taiwan |
Possible
About 20% of wildlife watchers report a Chilli Thrips sighting in Kaohsiung on a given day, based on 78 verified sightings from GBIF citizen-science data. It is the 12th most-seen of the 218 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
February and October–November
In those months about 30% of wildlife watchers report a Chilli Thrips in Kaohsiung on a given day, against under 5% in July, the lowest month. Those are among Kaohsiung's driest months, with about 50 mm of rain a month against 440 mm in August.
Only Kaohsiung, in our data
Kaohsiung is the only city on Wallace's Line with enough records to rate Chilli Thrips sightings: about 20% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Chilli Thrips is recorded against all the insects logged in Kaohsiung (78 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.
