Looks like I missed one, anyway here we have the moth caste of the insect hive. Otherwise known as the silk clan. They were originally part of a short little story where two noble pony houses were discovered to be actually made entirely of changeling infiltrators. The Honey clan and the Silk clan, both members of the same insect hive but as part of their cover were constantly fighting each other politically in Canterlot, in order to drive a wedge between earth ponies and unicorns. Anyway from left to right we have Silk Cut, Silk Coccoon and Silky Smooth.