Hippodamia tredecimpunctata

Hippodamia tredecimpunctata, commonly known as the thirteen-spot ladybeetle, is a species of lady beetle.

Adult H. tredecimpunctata have domed backs, mainly oval, often shiny with short legs and antennae.

The species is distributed throughout much the northern hemisphere-Europe, North Africa, European Russia, the Caucasus, Siberia, the Russian Far East, Belarus, Ukraine, Moldova, Transcaucasia, Kazakhstan, Middle Asia, Western Asia, Afghanistan, Mongolia, China, the Korean Peninsula, Japan, North America.

The relative abundance of this species has decreased in many regions (midwestern US, Maine, Quebec, and New Brunswick) following the introduction of the non-native ladybeetle Coccinella septempunctata.

[1] It is a stenotypic (limited habitat) species most associated with wet meadows, lakesides, flood plains and river deltas, marshes, and in marshes and marshy alder thickets, carr and bodden on Carex, Sparganium, Phragmites, and on Salix[4][5] It feeds on Aphis farinosa and occurs on grasses and sedges associated with Sipha glyceriae and on aphids associated with Gramineae, Umbelliferae, and some other plants.