Image from: Strecker, Ferdinand Heinrich Herman. 1878. Butterflies and moths of North America, with full instructions for collecting, breeding, preparing, classifying, packing for shipment, etc. A complete synonymical catalogue of Macrolepidoptera, with a full bibliography, to which is added a glossary of terms and an alphabetical and descriptive list of localities. Reading; B. F. Owen: [4] + ii + 283 pp., 2 pls. {[Oct] 1878}; pl. 15, f. 2