Acrolophinae - Burrowing Webworm Moths - Larvae
https://www.bugguide.net/node/view/1999324 - Acrolophus larva
https://www.bugguide.net/node/view/1339895/bgimage
https://www.inaturalist.org/observations/347687147 (Brazil)
https://www.inaturalist.org/observations/356597390
https://www.inaturalist.org/observations/305872128
https://www.inaturalist.org/observations/358486170
https://www.inaturalist.org/observations/28123518
https://www.inaturalist.org/observations/217686758
https://www.inaturalist.org/observations/362575091
https://www.inaturalist.org/observations/364017884
https://www.inaturalist.org/observations/285491952
https://www.inaturalist.org/observations/360921798
https://www.inaturalist.org/observations/364337266
https://www.inaturalist.org/observations/6934640
https://www.inaturalist.org/observations/367599037
https://www.inaturalist.org/observations/367235077
https://www.inaturalist.org/observations/370594682
https://www.inaturalist.org/observations/289719212
https://www.inaturalist.org/observations/288907546
https://www.inaturalist.org/observations/195123174
https://www.inaturalist.org/observations/325425842
https://www.inaturalist.org/observations/388647588
Possible?
https://www.inaturalist.org/observations/369828447
https://www.inaturalist.org/observations/388731142
Information from BugGuide re: Acrolophus popeanella
https://www.bugguide.net/node/view/23060
Number of species - BugGuide
https://www.bugguide.net/node/view/18147
Short description of larvae from
An Introduction to Entomology
By John Henry Comstock
https://www.bugguide.net/node/view/270729
https://www.biodiversitylibrary.org/page/6284057#page/641/mode/1up
The burrowing web-worms, A. arcanellus, A. mortipennellus , and A. popeanellus. — The habits of these three species were described by Professor Forbes in his Twelfth Illinois Report (1905). The larvae normally live in the ground feeding on the roots of grass. Each larva makes "a tubular web opening at the surface and leading down into a vertical cylindrical burrow about the diameter of a lead-pencil, and six inches to two feet, or even more in depth." The larva measures about 25 mm in length. Sometimes the larvae injure young com when planted on sod. They surround the base of each plant with a fine web mixed with earth and pellets, building this up in the lower blades, which they slowly eat away. As they get larger they eat the stripped plant to the ground. When disturbed they retreat into their web-lined burrows.
--Acrolophus of the East- A Rough ID Guide by Paul Dennehy
https://www.inaturalist.org/posts/82871-acrolophus-of-the-east-a-rough-id-guide