Trichopsocus Wing
Pencil sketch of the shape and veins of the right wings of a species of book louse
Content tagged "greyscale"
Images in greyscale, including pencil/graphite drawings, grey markers, or black and white photos
Ambush Bug
Pencil sketch of an ambush bug.
Wooly Aphid Wing
Pencil sketch of a pair of wings of the wooly aphid
Treehopper
Pencil sketch of a treehopper
Aphid Wing
Pencil sketch of aphid wings
Ant Head
Pencil sketch of the head of an ant
Soldier Fly Wing
Pencil sketch of the wing of a soldier fly
Mantis
Pencil sketch of a praying mantis
Pellucid Fly Wing
Pencil sketch of a pellucid fly wing
Snake In Tree
Pencil sketch of a cobra