polished lady beetle

(Cycloneda munda)

Conservation Status
polished lady beetle
Photo by Alfredo Colon
  IUCN Red List

not listed


NNR - Unranked


not listed


Polished lady beetle is a small ladybird beetle. It occurs in most of North America from southern Canada to northern Mexico. It is common in the east, including the eastern half of Minnesota, less common in the Great Plains, uncommon in the arid southwest.

The body is almost round, very convex, to ¼ (3.7 to 5.7 mm) long, and (3.1 to 4.2 mm) wide.

The head is shallowly inserted into the thorax, but is visible from above. The top of the head (vertex) and the compound eyes are black. The orbital groove, on the face bordering the compound eye, is white. On the male, the face is white. On the female, it is black.

The upper thoracic plate (pronotum) is convex, wider than long, and distinctly margined on the sides. It is mostly black with white front and lateral margins. On each side near the head there is an outward-curved white mark that, together with the curved white lateral margin, forms a ring that is not completely closed. There is also a short white line in the middle that merges with the front white margin. The surface of the pronotum is leathery, covered with minute cracks, and dull, not shiny. The exoskeletal plate between the wing bases (scutellum), is small, triangular, and black. On the underside of the thorax, the rear margin of the first segment (prosternum) is rounded, not protruding, and the front margin of the second segment (mesosternum) is truncate, not deeply notched.

The hardened wing covers (elytra) are reddish-orange and entirely free of spots. They completely cover the abdomen. The outer margins are weakly extended horizontally. The surface does not have grooves or rows of punctures. Rare individuals will have one or more black spots, but these are not arranged symmetrically. They are due to damage to the developing pupa.

The legs are light yellowish-brown. The fourth segment (tibia) on the middle and hind legs have two spurs at the tip. The last part of each leg (tarsus), corresponding to the foot, has four segments, but the third segment is very short and tucked within the extended lobes of the second segment, making the leg appear to have only three segments. The tip of the last tarsal segment on the middle and hind legs has a pair of claws. Each claw has a large tooth at the base that is nearly square with rounded corners.




Total Length: to ¼ (3.7 to 5.7 mm)


Similar Species






Spring and summer






Life Cycle




Larva Food




Adult Food




Distribution Map



7, 24, 27, 29, 30.







Coleoptera (beetles)  


Polyphaga (water, rove, scarab, longhorn, leaf and snout beetles)  






Coccinellidae (ladybird beetles)  









Coccinella sanguinea var. munda

Cycloneda sanguinea var. munda


Common Names


immaculate lady beetle

polished lady beetle









The hardened or leathery forewings on an insect used to protect the fragile hindwings, which are used for flying, in beetles and true bugs. Singular: elytron.



The saddle-shaped, exoskeletal plate on the upper side of the first segment of the thorax of an insect.



The exoskeletal plate covering the rearward (posterior) part of the middle segment of the thorax in some insects. In Coleoptera, Hemiptera, and Homoptera, the dorsal, often triangular plate behind the pronotum and between the bases of the front wings. In Diptera, the exoskeletal plate between the abdomen and the thorax.



The last two to five subdivisions of an insect’s leg, attached to the tibia; the foot. Plural: tarsi.



The fourth segment of an insect leg, after the femur and before the tarsus (foot).






Visitor Photos

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Alfredo Colon
  polished lady beetle    
MinnesotaSeasons.com Photos
  polished lady beetle    



  Polished Lady Beetle (Cycloneda munda)
Bill Keim
  Polished Lady Beetle (Cycloneda munda)  



Visitor Videos

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Other Videos
  Polished Lady Beetle eating, cleaning, and exposing wings (Cycloneda munda)
Nature in Motion

ublished on Oct 23, 2016

Adults and larvae feed on those pesky aphids. Guest appearances by an Ambush Bug and an Assassin Bug.

Coleoptera (Beetles) » Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles) » Series Cucujiformia » Coccinelloidea » Coccinellid group » Coccinellidae (Lady Beetles) » Coccinellinae » Cycloneda (Spotless Lady Beetles) » Cycloneda munda (Polished Lady Beetle)

Music: Sleeping Sheep

  Polished Lady Beetle (Coccinellidae: Cycloneda munda) on Leaf
Carl Barrentine

Published on Jun 3, 2010

Photographed at Grand Forks, North Dakota (02 June 2010). I've observed several unspotted Cyconeda lady beetles this week.

  Polished Lady Beetle (Coccinellidae: Cycloneda munda) on Leaf
Carl Barrentine

Published on Aug 7, 2010

An very small specimen, I think. Photographed at Itasca State Park, Minnesota (06 August 2010).




Visitor Sightings

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Alfredo Colon

Location: Woodbury, Minnesota

polished lady beetle

MinnesotaSeasons.com Sightings




Created: 3/3/2019

Last Updated:

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