''Deserticossus beketi'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

in the family Cossidae. It was described by Yakovlev in 2004. It is found in

Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...

. The habitat consists of deserts. The length of the forewings is about 22 mm. The forewings are dark grey with black stripes in postdiscal area between the veins. The hindwings are uniform grey. Adults are on wing from June to July.Ревизия древоточцев рода Holcocerus Staudinger, 1884 (s. l.)
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References

Natural History Museum Lepidoptera generic names catalog
Cossinae Moths described in 2004 Moths of Asia {{Cossinae-stub