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Chrysochus auratus, more commonly known as the dogbane beetle, is a leaf beetle primarily found in the eastern United States. The beetle is approximately 8 to 11 mm in length, and possesses an oblong and convex shape.
Dogbane Leaf Beetle: Overview Species and Distribution. Dogbane leaf beetles, also known as Chrysochus auratus, are found across the United States, Canada, and other parts of North America.
Dogbane beetle, indigenous to the eastern parts of North America, belongs to the oval leaf beetle (Eumolpinae), a subfamily of the leaf beetle (Chrysomelidae) family. The brightest among all the leaf beetle species, it gets its name from the dogbane plant that it primarily feeds on.
The BugLady, who is easily distracted by shiny objects, looks forward each year to seeing the very spiffy Dogbane Leaf Beetle (DLB) (Chrysochus auratus). Predictably, the DLB lives and feeds on dogbane (a close relative of milkweed) and on milkweed, in prairies and grasslands over the eastern half of North America.
Dogbane Leaf Beetle (Chrysochus auratus) Detailing the physical features, habits, territorial reach and other identifying qualities of the Dogbane Leaf Beetle
dogbane beetle, (Chrysochus auratus), species of leaf beetle native to eastern North America. It feeds on dogbane and milkweed plants and is toxic to other animals that ingest it.
The dogbane beetle is one of Missouri's most beautiful insects. Like many other types of leaf beetles, it is shiny and iridescent. As the name indicates, this beautiful beetle feeds on dogbanes, including milkweeds. Learn more about this and other leaf beetles (chrysomelids) on their group page.
Leaf beetles in the Chrysomelid family use visual, olfactory and chemical cues when colonizing a host plant. Dogbane leaf beetles in particular use chemical signaling systems in mating. Cuticular hydrocarbon (CHC) signals serve as sex pheromones. CHCs are sex-specific and species-specific and influence male dogbane beetles in mate choice.
Species auratus (Dogbane Beetle) Explanation of Names. Chrysochus auratus (Fabricius 1775) auratus = 'golden' Numbers. 8-11 mm. Identification. Oblong shape. Shiny, iridescent. Range. transcontinental (ME-WA to GA-AZ) (1) Food.
True to its Latin root aurat, meaning gold, the dogbane leaf beetle has hews of gold and its alloys of green, blue, yellow, and red. In midsummer, meadows abound in wildlife. I have been awaiting the arrival of one of the most gorgeous of all insects Chrysochus auratus.