Entylia carinata
In 3 days ~10% in a week ~20%
Entylia carinata, commonly known as the keeled treehopper, is a species of treehopper in the family Membracidae. They can be found in Brazil, Panama, Mexico, the United States, and Canada. Keeled treehoppers are often attended by ants which feed on the honeydew they excrete. In return, the ants offer protection from predators. Keeled treehoppers typically feed on plants in the aster family and they are not known to transmit plant diseases and are not considered significant plant pests.
As adults, keeled treehoppers spend the winter months in leaf litter and debris, finally emerging in March. They begin to reproduce and implant their eggs on aster leafs. During this time of year plants produce vulnerable growth and soft tissues which make it an optimal time to embed their eggs. Occasionally the laid eggs cause the leaf to fold over, forming a protected environment for the nymphs to develop in once they hatch.
Keeled treehoppers mothers exhibit parental care and spend time protecting their egg masses. They are phloem feeders, and their diet consists of liquids extracted from plants. Plant sap, while a convenient material to feed on, is lacking... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Boston | 🇺🇸 United States | |
| 4 | Philadelphia | 🇺🇸 United States | |
| 5 | Dallas | 🇺🇸 United States | |
| 6 | Chicago | 🇺🇸 United States | |
| 7 | Austin | 🇺🇸 United States | |
| 8 | São Paulo | 🇧🇷 Brazil | |
| 9 | New York City | 🇺🇸 United States | |
| 10 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Keeled Treehopper sighting in Chicago on a given day, based on 29 verified sightings from GBIF citizen-science data. It is the 340th most-seen of the 978 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 Keeled Treehopper in Chicago on a given day, so our monthly data shows no clear season.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Keeled Treehopper sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
6th of 10
Of the 10 cities where we can rate Keeled Treehopper sightings, Chicago ranks 6th at under 5%. The best odds are in Baltimore (United States, about 10%), Washington (United States, about 10%) and Boston (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Keeled Treehopper is recorded against all the insects logged in Chicago (29 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.
