117, U S. Dept. of Agriculture. 
Plate I. 
Entomophthora fumosa. 
1, Group of conidiophores, showing conidia in various stages of formation. X 164. 2 
nidia, X 655. 9, Hyphal bodies, showing appearance when mounted in alcohol, X 655. 
10. Hyphal bodies, showing nuclei, X 605. 11 , Resting spores, X 655. 12, Germination of co- 
nidium,' showing capillary-like germ tubes upon which secondary conidia are formed, X 332. 
13, '•Germinating" hyphal body, X 332. 14. Encysted hyphal bodies sometimes ass 
with resting spores, X 332. 15," Resting spore crushed, showing inner hyaline end 
16, Hyphal bodies as seen in a'water mount. Taken from live mealybugs, 
17, Hyphal bodies in leg of mealybug, x 164. 18, Resting spore with associated hyphal 
bodies, X 655. 19, Optical cross section of mature restingspore, X 655. 20, Group of germina- 
ting hyphal bodies, X 655. 21. Grapefruit, showing diseased mealybugs and discharged 
conidia of fungus on surface of the fruit. One-half natural size. 
4543—22 2 
