Table 2.
Morphological parameters quantified from the postocular scale(s) using silicone cast analysis.
| parameter | description | units | symbol |
|---|---|---|---|
| number of sensilla | total number of sensilla sampled | N(s) | |
| total sensilla area | total area of sensilla sampled | mm2 | A(s) |
| total grid cell area | total area of grid cells sampled | mm2 | A(c) |
| numerical density of sensilla | number of sensilla per unit area of postocular scale(s) | mm−2 | NA(s,c) |
| mean sensillum size | mean area of individual sensilla on the postocular scale(s) | μm2 |
 (s)
|
| overall coverage of sensilla | total area of sensilla relative to total area of the postocular scale(s) | % | AA(s,c) |