70 SOME INSECTS INJURIOUS TO TRUCK CROPS. 
conditions at San Antonio, Tex., October 13, and at New Braunfels, 
Tex., October 27. 
December 12, 1906, this species was received at the Bureau of 
Entomology from Mr. F. B. Headley, San Antonio, Tex., with the 
report that it was injuring vetches and horse beans. It was asso- 
clated with Diabrotica 12-punctata and D. picticornis. 
June 15, 1907, Mr. C. S. Spooner, while working under the writer’s 
direction at San Antonio, Tex., found numerous beetles of this 
species on squash, where it was associated with D. picticornis. It 
was also noticed on cotton. 
During 1908, Mr. D. K. McMillan, of this Bureau, observed this 
beetle during March on eggplant at Olmito, Tex., eating melon 
Fig. 21.—The belted cucumber beetle (Diabrotica balteata): a, Pupa; b, anal seg- 
ment of same; c, beetle; d, eggs; e, much enlarged surface of same; /, anal 
segment of larva; g, larva, dorsal view. c, g, About 6 times natural size; a, 
d, a little more enlarged; 0, e, still more enlarged. (Original.) 
leaves at Brownsville, Tex., in May, and on beans and eggplant at 
Harlingen, Tex., in November, attacking the blooms. 
The egg of this species may be described as follows: 
The egg.—Pale yellowish buff, with the surface moderately shining, and with the 
usual hexagonal pits well defined but comparatively shallow. Form somewhat regu- 
lar oval, corresponding rather closely to that of Diabrotica vittata. Length, 0.61 mm.; 
width, 0.35 mm. 
The eggs were first obtained, July 1, in three masses deposited, in 
confinement, on the lower surface of cucumber leaves, the individual 
eggs being so closely applied to each other that they could hardly 
be separated without breaking them. 
During 1910 Mr. M. M. High found this beetle attacking lettuce, 
cabbage, and onions at Brownsville, Tex. February 22 it was 
