These are the eggs of the large and beautiful Polyphemous moth. They were found on the underside of a bur oak leaf. Each egg is larger than the entire egg case of the assassin bug which contains numerous eggs. A big egg for a big moth! To see the adult moth, go here: http://www.pbase.com/laroseforest/image/156495801.

For a side view of the moth: http://www.pbase.com/laroseforest/image/114157394