Of or relating to the hemelytra, the characteristic wings of true bugs.
Derived from hemelytron with the adjective suffix '-al'. This terminology became standardized in entomology during the 18th century as scientists classified insects by wing structure.
Entomologists actually use the hemelytral wing design as the defining characteristic of an entire insect order—if you see those distinctive half-hard wings, you're guaranteed you're looking at a true bug, not just any bug.
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