Shivaphis celti
In 3 days ~10% in a week ~20%
Shivaphis celti, the Asian woolly hackberry aphid, also known as Shivaphis (Shivaphis) celti, is an aphid in the superfamily Aphidoidea in the order Hemiptera. It is a true bug and sucks sap from plants. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Pretoria | 🇿🇦 South Africa | |
| 2 | Tel Aviv | 🇮🇱 Israel | |
| 3 | Johannesburg | 🇿🇦 South Africa | |
| 4 | Sacramento | 🇺🇸 United States | |
| 5 | Cape Town | 🇿🇦 South Africa | |
| 6 | Philadelphia | 🇺🇸 United States | |
| 7 | Dallas | 🇺🇸 United States | |
| 8 | New York City | 🇺🇸 United States | |
| 9 | San Antonio | 🇺🇸 United States | |
| 10 | Houston | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an Asian Woolly Hackberry Aphid sighting in Philadelphia on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 432nd most-seen of the 632 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.
June
In that month about 10% of wildlife watchers report an Asian Woolly Hackberry Aphid in Philadelphia on a given day, against under 5% in July to May, the lowest months.
6th of 15
Of the 15 cities where we can rate Asian Woolly Hackberry Aphid sightings, Philadelphia ranks 6th at under 5%. The best odds are in Pretoria (South Africa, about 10%), Tel Aviv (Israel, under 5%) and Johannesburg (South Africa, under 5%).
Same family: Aphididae
The closest relatives of the Asian Woolly Hackberry Aphid that you can see in Philadelphia (family Aphididae, Aphids) are Oleander Aphid (about 10%), Witch-Hazel Cone Gall Aphid (about 10%) and Beech Blight Aphid (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Asian Woolly Hackberry Aphid is recorded against all the insects logged in Philadelphia (8 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.
