Golden tortoise beetle
Encyclopedia
Golden tortoise beetles (Charidotella sexpunctata, previously known as Metriona bicolor) are common North American
beetle
s that can be found on morning glory
leaves, which are their preferred food. They can change color, looking initially like tiny jewels, or golden ladybugs, but can alter the reflectivity of the cuticle so the outer layers become clear, revealing a ladybug type of red coloring with black spots. This color change is accomplished by microscopic valves controlling the moisture levels under the shell. Various populations of this beetle also have black markings obscuring the underlying colors to various degrees, and it is this variation in appearance that has led to the use of multiple names for this species.
North American
North American generally refers to an entity, people, group, or attribute of North America, especially of the United States and Canada together.-Culture:*North American English, a collective term used to describe American English and Canadian English...
beetle
Beetle
Coleoptera is an order of insects commonly called beetles. The word "coleoptera" is from the Greek , koleos, "sheath"; and , pteron, "wing", thus "sheathed wing". Coleoptera contains more species than any other order, constituting almost 25% of all known life-forms...
s that can be found on morning glory
Morning glory
Morning glory is a common name for over 1,000 species of flowering plants in the family Convolvulaceae, whose current taxonomy and systematics is in flux...
leaves, which are their preferred food. They can change color, looking initially like tiny jewels, or golden ladybugs, but can alter the reflectivity of the cuticle so the outer layers become clear, revealing a ladybug type of red coloring with black spots. This color change is accomplished by microscopic valves controlling the moisture levels under the shell. Various populations of this beetle also have black markings obscuring the underlying colors to various degrees, and it is this variation in appearance that has led to the use of multiple names for this species.
External links
bugguide.net Has many photos and information about the golden tortoise beetle.- golden tortoise beetle on the UFUniversity of FloridaThe University of Florida is an American public land-grant, sea-grant, and space-grant research university located on a campus in Gainesville, Florida. The university traces its historical origins to 1853, and has operated continuously on its present Gainesville campus since September 1906...
/ IFASInstitute of Food and Agricultural SciencesThe University of Florida’s Institute of Food and Agricultural Sciences is a federal-state-county partnership dedicated to developing knowledge in agriculture, human and natural resources, and the life sciences, and enhancing and sustaining the quality of human life by making that information...
Featured Creatures Web site
- http://whatcom.wsu.edu/ag/homehort/pest/GTB.htm WSU.edu link that shows color photographs of the various color stages as well as an in-depth description and discussion concerning the Golden Tortoise Beetle.