"Left Forewing, Right Hindwing, Chitin Shift", 28-1/2"x56"x2", 2015, chitin,

detail-1 "Left Forewing, Right Hindwing, chitin Shift"

detail-3 "Left Forewing, Right Hindwing, Chitin Shift"

detail-2 "Left Forewing, Right Hindwing, Chitin Shift"

Form, 1989, 72"x40", Morpho agea butterflies on board

Form, 1989, detail showing color shift

Three Generations of Life and Death, 40"x60", Milkweed bug colored excrement on paper

Three Generations of Life and Death, 1993, detail

Target Orientation, 1992, 24"x24", Morpho aega butterflies stainless steel

Target Orientation, 1992, detail

Beyond a Symbolic Reality, 1999, 87"x62"x18, Morpho aega butterflies, stainless steel

Beyond a Symbolic Reality, 1999, detail

Morphology, 1990, 6'x3'x3', pinned milkweed bugs on foam

Morphology, 1990, detail of pinned Milkweed bugs