Dorsal view of the left antero-lateral corner of mesonotum (arrows directing anterior). A Tomocerus sp. (ocreatus complex) from China (b: bothriotricha, same as below) B Tomocerus similis from China (mb: macrochaeta at the location of outer bothriotricha, same as below) C Tomocerina annamitica from Vietnam D Tomocerus laxalamella from China (with bothriotricha-like macrochaeta two times magnified) E Pogonognathellus sp. from France. Scale bars: 50 μm (A, B, C, E), 100 μm (D).