Quantitative relationship between ingested blood and follicular growth in the stable fly, Stomoxys calcitrant

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Abstract
Female stable flies, S. calcitrans (L.), fed blood at 24-h intervals, required 5 blood meals to produce their 1st batch of eggs. The first 3 blood meals mainly promoted growth of the adult fat body but the latter 2 meals resulted in rapid ovarian growth accompanied by a decline in fat body weight. The lack of gonotrophic concordance in these flies can probably be attributed to a shortage of reserves carried over from the larval stage. Ovariectomy at emergence resulted in hypertrophy of the adult fat body in blood-fed females, indicating that the ovary regulates the flow of nutrients from the fat body during vitellogenesis.