caterpiller. corn locust.. more specific word than Exodus 10:1-20. It occurs in Joel 1:4; Joel 2:25.
labour. Put by Figure of speech Metonymy (of Cause), App-6, for the fruit of labour.
Related Commentaries of Psalms 78:46
Psalms 78:46
46 He gave also their increase unto the caterpiller, and their labour unto the locust.