Gretchena bolliana
In 3 days ~10% in a week ~30%
Gretchena bolliana, the pecan bud moth or gray-flanked gretchena moth, is a moth of the family Tortricidae. It is found in the United States from South Carolina to Florida and west to Texas, Arizona and New Mexico. The wingspan is about 17 mm. There are probably five or six generations per year.
The larvae feed on the foliage of Carya illinoinensis. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Pecan Bud Moth sighting in Austin on a given day, based on 40 verified sightings from GBIF citizen-science data. It is the 572nd most-seen of the 1624 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
October
In that month about 10% of wildlife watchers report a Pecan Bud Moth in Austin on a given day, against under 5% in November to September, the lowest months.
Among the best
Of the 3 cities where we can rate Pecan Bud Moth sightings, Austin ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Dallas (United States, under 5%).
Same family: Tortricidae
The closest relatives of the Pecan Bud Moth that you can see in Austin (family Tortricidae, Tortricid Leafroller Moths) are Garden Tortrix (about 10%), Filbertworm Moth (about 10%) and Omnivorous Platynota Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Pecan Bud Moth is recorded against all the insects logged in Austin (40 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.
