monophagy means the feeding on a single type of food (e.g., a single plant species). Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From mono- + -phagy. Compare Ancient Greek μονοφαγία (monophagía, “eating alone”).
noun
- The feeding on a single type of food (e.g., a single plant species).