Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Laser profiling shows wing flatness of a male Cordulegaster boltonii; thus, the majority of the wing would produce a specular reflection at a specific angle. The 3D point cloud data are presented by color coding the depth along the optical axis. Point cloud coordinates are relative to the center of the thorax. (b) Brightness image at 630 nm from the same instrument coinciding with the narrow red spectral band found in some Odonata
