exocuticle

/ ˈɛksəʊˌkjuːtɪkəl /

noun

1. the layer of an insect's cuticle between the epicuticle and the endocuticle, which is often hard and dark in colour

Example Sentences

The middle layer of the exoskeleton, known as the exocuticle, looked pretty much the same regardless of how the locusts were raised.

From Science Magazine