In order to build a picture of the fruit fly larva connectome, researchers scanned thousands of slices of the larva’s brain.

Source: https://www.independent.co.uk/news/science/insect-brain-first-map-complete-b2297867.html

Scientists have created detailed maps of the brain of a fruit fly, which is much more complex than a fruit fly larva.

Source: https://www.mutiny.in/scientists-have-mapped-the-wiring-of-an-insects-brain-yet-in-the-most-complex-way/

"The growth of the third-stage larva in the human host is notable, given that previous experimental studies have not demonstrated larval development in domesticated animals, such as sheep, dogs, and cats."

Source: https://www.bbc.co.uk/news/world-australia-66643241?at_medium=RSS&at_campaign=KARANGA