Plate 1 and 2

W - width of part. L - length of right fore wing. G - length of glossa. M - length of mentum. S-M - length of submentum. G+ M+ S-M - length of proboscis.

W – width of part.
L – length of right fore wing.
G – length of glossa.
M – length of mentum.
S-M – length of submentum.
G+ M+ S-M – length of proboscis.