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Morphology of the male reproductive system of P. tremulae: A young specimen B mature specimen; ag – accessory gland, tf – testicular follicles, vd – vas deferens. |
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| Part of: Nowińska A, Mróz E, Depa Ł (2017) Sexual morphs of Pterocomma tremulae Börner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. ZooKeys 686: 125-136. https://doi.org/10.3897/zookeys.686.14493 |