Vaxi critica
In 3 days ~20% in a week ~40%
Vaxi critica, the straight-lined vaxi or straight-lined argyria moth, is a moth in the family Crambidae. It was described by William Trowbridge Merrifield Forbes in 1920. It is found in North America, where it has been recorded from Maine and Ontario, south to Florida and west to Illinois. The habitat consists of fields and meadows.
Adults are on wing from June to September in the northern part of the range and from March to July in Florida. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Cypress National Preserve | 🇺🇸 United States |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Straight-Lined Vaxi Moth sighting in Big Cypress National Preserve on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 220th most-seen of the 262 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
August and September
In those months about 20% of wildlife watchers report a Straight-Lined Vaxi Moth in Big Cypress National Preserve on a given day, against under 5% in May, July, October and December–March, the lowest months. Those are among Big Cypress National Preserve's wettest months, with about 220 mm of rain a month against 40 mm in March.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Straight-Lined Vaxi Moth sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Only Big Cypress National Preserve, in our data
Big Cypress National Preserve is the only park on Wallace's Line with enough records to rate Straight-Lined Vaxi Moth sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Crambidae
The closest relatives of the Straight-Lined Vaxi Moth that you can see in Big Cypress National Preserve (family Crambidae, Crambid Snout Moths) are Waterlily Leafcutter Moth (about 20%), Reed-Boring Crambid Moth (about 20%) and Watermilfoil Leafcutter Moth (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Straight-Lined Vaxi Moth is recorded against all the insects logged in Big Cypress National Preserve (5 verified sightings from 2019 to 2026), 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.
