Pupa of horn-fly.
John B. Smith Economic Entomology (Philadelphia and London: J.B. Lippincott Co, 1896)
TIFF (full resolution)
1060×2400, 425.4 KiB
Large GIF
452×1024, 42.6 KiB
Medium GIF
282×640, 26.2 KiB
Small GIF
141×320, 10.3 KiB