Habitats of Brachytrycherus species. 7 large clump of Fagaceae plants of collecting site in Xizang, China 8 male of B. curviantennae sp. n. (arranged) 9 village of collecting site in Xizang, China 10 male of B. conaensis sp. n. and larva on the wood pile 11 female of B. conaensis sp. n. feeding on the lichen growing on wood.