Xylotrechus (Xylotrechus) zaisanicus Plavilstshikov, 1940
Xylotrechus zaisanicus Kostin, 1968
Xylotrechus (Kostiniclytus) zaisanicus Danilevsky, 2009
Male: Lobes of protarsomere 3 flatter and wider, widely rounded at apex; apical tarsomere as long as tarsomeres 2 and 3
combined. Pronotum with narrow median stripe consisting of brown recumbent hairs and with spot of the same hairs at basal part of pronotum. Aedeagus at apical half with lateral emarginations and preapical rounded angles slightly protruding outwards. Lateral lobes of tegmen relatively elongate.
Frontal carinae widely separated, look like wide elevated plate. Metatarsomeres 2 and 3 combined
about 1/2 as long as metatarsomere 1. Body pubescence dense (densest on abdomen), concealing cuticula of pronotum, elytra and abdomen. White hairs forming unclear, indistinct stripes and spots on elytra; background of elytral pubescence consisting of white hairs, intermixed with sparse brownishyellow or brown hairs. Distal part of eyes relatively narrow. Lateral lobes of tegmen not widened apically, posterior process of tegmen elongate. Body reddish-brown, in some places blackish brown or reddish, elytra yellowish brown.
Body length: 11.1 mm.
Type locality. East Kazakhstan, Takyr env. (about 48°10'N, 84°59'E).