noun. Any of various moths of the family Geometridae, having caterpillars commonly known as inchworms that move by looping the body in alternate contractions and expansions.

In entomology, pertaining to the moths of the section Geometrina, whose larvæ are measuring-worms.

noun. A moth of the family Geometridœ or section Geometrina, or its larva; a measuring-worm.

noun. One of numerous genera and species of moths, of the family Geometridæ; -- so called because their larvæ (called loopers, measuring worms, spanworms, and inchworms) creep in a looping manner, as if measuring. Many of the species are injurious to agriculture, as the cankerworms.

adjective. Pertaining or belonging to the Geometridæ.

noun. Any of the various moths of the family Geometridae.

noun. A larva of such moth, which when walking alternate legs and prolegs, giving the appearance of measuring.

noun. slender-bodied broad-winged moth whose larvae are called measuring worms

"Among northern insects, population cycles are best known in geometrid moths, particularly the autumnal moth (Epirrita autumnata), which exhibits massive population outbreaks with approximately 10-year intervals that extend into the forest tundra [99]."

green geometrid  

moth  

alsophila pometaria  paleacrita vernata  

geometer moth  geometrid moth  inchworm  looper  measuring worm