Last week I shared a photo of this mystery louse:
![Microscopic image of Prolinognathus leptocephalus.](https://farm4.staticflickr.com/3805/18898584776_5d99f213b7.jpg)
It’s Prolinognathus leptocephalus (Anoplura: Linogonathidae)(Ehrenberg, 1828)! The genus Prolingonathus contains eight species, all of whose host is the rock hyrax. A noteworthy character of this species are the lateral setae, which are very visible in this image; the abdominal setae on segments IV-VI are a determining feature of this specimen (Taute 1971).
![Photo of rock hyrax trying to eat his dinner but disturbed by the thought of having lice.](https://farm9.staticflickr.com/8694/16605169249_a6b9ddcecf.jpg)
Another episode of Friday Night Lice will be live on Friday!
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