Triungulin

Name given to the active 1st- instar larva of oil beetles and some of their relatives: they appear to have 3 claws on each foot.
Found on http://www.earthlife.net/insects/glossary.html

triungulin

the active first instar larva of some parasitic, hypermetamorphic Neuroptera and Coleoptera
Found on http://www.kerbtier.de/Pages/Glossar/enGlossar.html
No exact match found