The large larvae will feed for a week or more before pupating 3 to 6 inches deep in the soil. Pupation takes about 2 weeks. Adults are most abundant in mid- to late summer. There is only one generation per year. All are females.
Reproduction occurs parthenogenetically in the absence of egg fertilization by males.
The grub is legless, white or yellowish, with a brown head and wrinkled body. The pupa is milky white with conspicuous dusky spines. Only one weevil is necessary to start a new infestation. BVW movement is generally restricted to relatively adjacent areas which they can reach by traveling over the soil surface. Nursery plantings should be kept cleanly cultivated to eliminate hosts.