Figure 1 from: Diakova AV, Polilov AA (2021) Porous or non-porous? The challenge of studying unusual placoid sensilla of Megaphragma wasps (Hymenoptera, Trichogrammatidae) with electron microscopy. In: Proshchalykin MYu, Gokhman VE (Eds) Hymenoptera studies through space and time: A collection of papers dedicated to the 75th anniversary of Arkady S. Lelej. Journal of Hymenoptera Research 84: 69-73. https://doi.org/10.3897/jhr.84.68707

Figure 1 Structure and ultrastructure of unusual placoid sensella (PS) in female Megaphragma amalphitanumA–GSEMH 3D-reconstruction I, JFIB-SEMA third flagellomere bearing PSB, CPS wall sputtered with gold, sputtering thickness 20–25 nm D, EPS wall sputtered with chromium in ESEM mode F, GPS wall sputtered with gold, sputtering thickness 15 nm, orbital rotation with an inclination of up to 45° I cross section through the middle of PSJ cross section through the outgrowth of PSH three-dimensional reconstruction of PS and one of the sensory neurons. Abbreviations: cu – cuticle, de – dendrite, le – ledge, nb – neuron body. Arrows designate the locations of the pores.