Cryptamorpha desjardinsii
species of insect
Cryptamorpha desjardinsii, known generally as the Desjardin's beetle or Desjardin's flat beetle, is a species of silvanid flat bark beetle in the family Silvanidae. It was first described by Félix Édouard Guérin-Méneville in 1844 and originally named Psammoechus desjardinsii. It is native to tropical Asia but is now found in many countries in Europe, North America, the Caribbean, and Oceania including in Australia and New Zealand.
Description
A small beetle with regular black markings on the elytra. It varies in size from 4 to 5mm.
Range
Although native to tropical Asia the range of this species is now cosmopolitan. It can be found in many countries in Europe, North America, the Caribbean, and Oceania. It was introduced to New Zealand via Australia.
Host species
This insect feeds on mildews and moulds found on plants. It has been commonly observed on flax.
The public source identifies “Cryptamorpha desjardinsii” as species of insect. This brief keeps that definition visible, then builds a research path around Cryptamorpha, desjardinsii and species.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated May 15, 2026. The linked authority identifier is Q14928668. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1844.
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This entry incorporates text from “Cryptamorpha desjardinsii” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.