Screenshot 2019-02-01 17.32.24

Feeding wound at higher magnification

Feeding wound at higher magnification

Feeding wound at higher magnification, showing a hole with irregular edges where mouthparts of the mite have penetrated the membrane (arrowhead). The black arrow indicates bacteria at the feeding site, and the white arrow indicates exposed contents of fat body cells likely due to the extraoral digestive processes of the feeding mite (C). Higher magnification reveals further detail distinguishing two morphologically distinct bacteria (D). (E and F) Higher magnification of degraded cell contents (E). Remnants of condensed chromatin from the nuclei of cells can be observed (blue arrowheads) in addition to the crystalline lipid droplets found abundantly in fat body trophocytes (red arrowheads) (F). From Ramsey et al., https://www.pnas.org/cgi/doi/10.1073/pnas.1818371116

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