The clover root-borer (Hylastinus obscurus Marsham)
Webster, F. M. (Francis Marion),
1849-1916
creator
United States. Bureau of Entomology.
contributor
United States. Department of Agriculture.
contributor
text
book
Washington, D.C
U.S. Dept. of Agriculture, Bureau of Entomology
1905
1905
ENG
Circular No. 67.
"December 28, 1905."
At head of title: United States Department of Agriculture, Bureau of Entomology.
Description of the insect -- Life insect. pp. 2.
Food plants -- Method of attacking red clover. pp. 3.
Effect upon the plant -- Natural enemies -- Preventive measures. pp. 4.
Borers (Insects)
Diseases and pests
Hylastinus obscurus
Roots (Botany)
Circular (United States. Bureau of Entomology), no. 67
https://www.biodiversitylibrary.org/bibliography/63509
810924490
10.5962/bhl.title.63509
LHL