GLADIOLUS THRIPS 
mss. carp, mi 
umm 
.<UG 16 I960 
umm 
U^iVliSfST 
MARY F. BENSON 
a, Adult thrips; b, egg; c, larva; d, pupa (or resting stage); e, foliage 
and flower spike showing typical feeding injury; /, uninjured gladi- 
olus corm; g, corms injured by feeding of thrips, showing charac- 
teristic russeted appearance, (a, b, c, and d about 20 times natural 
sizje; e, /, and g about one-half natural size.) 
(See other side for life history and control) 
Bureau of Entomology and Plant Quarantine 
United States Department of Agriculture 
Picture Sheet No. 6 
