Sexual Organ of Insects

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Ovarian tubes of one side, in Polistes, showing eggs in all stages of development, with nutritive cells, nm, between; rs, seminal receptacle; ov, oviduct; vag, vagina


John B. Smith Economic Entomology (Philadelphia and London: J.B. Lippincott Co, 1896)


TIFF (full resolution)

652×2400, 250.0 KiB

Large GIF

278×1024, 41.6 KiB

Medium GIF

173×640, 22.6 KiB

Small GIF

86×320, 8.8 KiB