Hello folks, I hope all is well. On a hike at a local conservation area I photographed this mass! Is it centipede larva? Take Care, Janet from Dundas, Ontario
According to BugGuide, these Millipedes are in the order Polydesmida, the Flat Backed Millipedes. Sometimes the aggregate after rains.
Update: (01/20/2008) Millipede IDs
9/19/05 . Apheloria virginiensis corrugata (Koch) (Polydesmida: Xystodesmidae), 1 adult plus juveniles.
North Carolina State Museum of Natural Science