Mo. Bor. Garp. BULL., VoL. 4, 1916. PLATE 21. 
1. NORMAL PSEUDO-BULB CUT TO SHOW THE EFFECT OF THE LARVAE, 
WITH HOLE WHERE THE INSECTS ESCAPED. 2. ABNORMAL PSEUDO-BULB 
INCAPABLE OF PRODUCING FLOWERS. 3. PERMANENTLY INJURED GROWTH 
SHOWING WHERE THE INSECTS ESCAPED. 
(About Natural Size) 
