Key to species of Lepidophora Westwood

1. Wings dark brown with lighter areas on center of the cells and along the posterior margin, without hyaline areas (Figs. 3D–E); body predominantly with yellow and/or yellowish white and dark brown scales; postpedicel with sparse short dark brown scales and bristles on proximal ½ of outer surface (Figs. 2D–F); basicosta with tuft of long yellow or yellowish white scales; abdominal segment V with tuft of long and spatulate yellow, yellowish white or white scales laterally................... 2

- Wings dark brown with hyaline or milky white areas (Figs. 3A–C and F –I); body predominantly with white and dark brown or golden and dark brown scales; postpedicel with long dark brown scales on outer surface (Figs. 2A–C and F–H); basicosta with tuft of long white or dark brown scales; abdominal segment V with only dark brown scales laterally................... 3

2. Abdominal segment IV with short and spatulate yellow, yellowish white or white scales laterally................................................................................................... Lepidophora lutea Painter, 1962

- Abdominal segment IV with short and spatulate dark brown scales laterally ........ Lepidophora lepidocera (Wiedemann, 1828)

3. Abdomen clavate or slightly clavate; abdominal segment V with dark brown scales of different kinds and lengths laterally... 4

- Abdomen cylindrical, segments with approximately the same width; abdominal segment V with long and spatulate dark brown scales or short and spatulate white scales laterally............................................................ 5

4. Wings with hyaline areas (Fig. 3F) or milky white on distal 1/3 (Fig. 3A); abdominal segment I with long white and brown hairs; postpedicel with long and numerous dark brown scales on proximal 1/3..................................... 6

- Wings with brown areas around the cells and on veins on distal 1/3 (Figs. 3C and H); abdominal segment I with long white or brown hairs; postpedicel with long and numerous dark brown scales on proximal 2/3 or on proximal ½................. 7

5. Basicosta with tuft of long brown scales; abdominal segment V with long and spatulate dark brown scales laterally; postpedicel with dark brown scales on all outer surface, long and numerous on proximal 2/3, whose length exceeds the length of postpedicel (Fig. 2B); tergite VI with short dark brown covering scales............... Lepidophora culiciformis Walker, 1850

- Basicosta with tuft of long brown and white scales; abdominal segment V with short white covering scales laterally; postpedicel with dark brown scales on proximal 2/3 of outer surface, long and numerous on proximal ½, whose length does not exceed the length of postpedicel (Fig. 2H); tergite VI with central tuft of short and spatulate white scales............................................................................................... Lepidophora trypoxylona Hall, 1981

6. Wings milky white and yellow veins on distal 1/3 (Fig. 3A); abdomen slightly clavate; abdominal segment V with short dark brown covering scales laterally; postpedicel with long dark brown scales that exceed its length (Fig. 2A)........................................................................................ Lepidophora acroleuca Painter, 1930

- Wings totally hyaline on distal 1/3, dark veins (Fig. 3F); abdomen clavate; abdominal segment V with tuft of long and spatulate dark brown scales on distal 1/3 laterally; postpedicel with dark brown scales that do not exceed its length...................................................................................... Lepidophora secutor Walker, 1857

7. Abdominal segment I with long brown hairs; abdominal segment V with short dark brown covering scales; postpedicel with dark brown scales on proximal 2/3 of outer surface, long and numerous on proximal ½, whose length does not exceed the length of postpedicel (Fig. 2I); abdominal segment VIII with tuft of long and pedunculate dark brown scales laterally................................................................................ Lepidophora vetusta Walker, 1857

- Abdominal segment I with long white hairs; abdominal segment V with long and spatulate dark brown scales; postpedicel with dark brown scales on all outer surface, long and numerous on proximal 2/3, whose length exceeds the length of postpedicel (Fig. 2C); abdominal segment VIII with tuft of long and spatulate dark brown scales laterally................................................................................................... Lepidophora cuneata Painter, 1939