Abstract
Female boll weevils, Anthonomus grandis grandis Boheman, have a meroistic type of ovariole where each developing follicle is connected to the trophocytes by a nutritive cord. This ovariole subtype is known as teleotrophic. The oocytes are surrounded by a layer of follicular epithelial cells. Each follicle contains an enlarged nucleus or germinal vesicle, and follicles are joined to one another by interfollicular tissue. A physiological age-grading system is described with three nulliparous (N1–N3) and four parous stages (P1–P4). Nulliparous stages are separated primarily by the degree of follicle differentiation and vitellogenesis. Parous stages can be distinguished by the quantity and appearance of follicular relic deposition in the ovariole base and the presence or absence of degenerating follicular and germarial tissues. Parous stages P1–P3 correlate positively with the number of eggs oviposited. Higher numbers of ovipositions are associated with P3 individuals.
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