Raster

Definition

A pattern on the underside of certain beetle larvae, consisting of a group of spines or hair-like structures.

Etymology

From the Latin word 'rāstrum', meaning ‘rake’, referencing the rake-like appearance of the structures.

Example

The raster on the beetle larva is used to distinguish it from other species.

Related Terms

• Setae
• Beetle Larva
• Ventral

Usage Notes

Rasters are often studied in identifying beetle larvae for classification.