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Ladybird

(Redirected from Coccinellidae)

Chilocorinae
Coccidulinae
Coccinellinae
Epilachninae
Scymininae
Sticholotidinae
etc. see list of Coccinellidae genera


P-14 lady beetle consuming an aphid
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P-14 lady beetle consuming an aphid

Ladybirds (Commonwealth English), also known as ladybugs (American English, Canadian English) or lady beetles (some scientists favor this) are a family, Coccinellidae ("little sphere"), of beetles; the name is thought to allude to the Blessed Virgin Mary in the Catholic faith. Ladybirds are found worldwide, with over 4,500 species described, more than 450 native to North America alone. Ladybirds are small insects, ranging from 1 mm to 10 mm (0.04 to 0.4 inches), and are usually yellow, orange, or red with small black spots on their carapace, and black legs, head and feelers. As the family name suggests, they are usually quite round in shape.

Because they are useful, colorful, and harmless to humans, ladybugs are typically considered cute even by people who hate most insects.

Ladybirds are beneficial to organic gardeners because most species are insectivores, consuming aphids, fruit flies, thrips, and other tiny plant-sucking insects that damage crops. In fact, their name is derived from "Beetle of Our Lady", recognizing their role in saving crops from destruction. Today they are commercially available from a variety of suppliers.

Adult ladybirds are able to reflex-bleed from their leg joints. The blood is yellow, with a strong repellent smell, and is quite obvious when one handles a ladybird roughly.

Contents

Culture

Ladybirds are and have for very many years been favourite insects of children, who are reputed to regard them tenderly. The insects had many regional names (now mostly disused) such as the lady-cow, May-bug, golden-knop, golden-bugs (Suffolk); and variations on Bishop-Barnaby (Barney, Burney) Barnabee, Burnabee, and the Bishop-that-burneth.

The ladybird is immortalized in the children's nursery rhyme extant:

Ladybird, ladybird, fly away home
Your house is on fire and your children are gone
All except one, and that's Little Anne
For she has crept under the warming pan.

and ancient (recounted in an 1851 publication):

Dowdy-cow, dowdy-cow, ride away heame,
Thy house is burnt, and thy bairns are tean,
And if thou means to save thy bairns
Take thy wings and flee away!

The name which the insect bears in the various languages of Europe is clearly mythic. In this, as in other cases, the Blessed Virgin Mary has supplanted Freya, the fertility goddess of Norse mythology; so that Freyjuhaena and Frouehenge have been changed into Marienvoglein, which corresponds with Our Lady's Bird. There, can, therefore, be little doubt that the esteem with which the lady-bird, or Our Lady's cow, is still regarded, is a relic of ancient beliefs.

The ladybird is the symbol of the Dutch Foundation Against Senseless Violence . [1]

Notable species

Note that not all individuals show the number of spots suggested by their names:

  • Seven-spotted lady beetle (Coccinella septempunctata)
  • Two-spotted lady beetle (Adalia bipunctata)
  • Convergent lady beetle (Hippodamia convergens)
  • Spotted lady beetle (Coleomegilla maculata)
  • Twice-stabbed lady beetle (Chilocurus stigma)
  • Mexican bean beetle (Epilachna varivestis Mulsant)
  • Asian Lady Beetle (Harmonia axyridis)

For a complete list of genera, see list of Coccinellidae genera.

References

  • I. Hodek & A. Honek , Ecology of Coccinellidae (Dordrecht: Kluwer , 1996)

External links

Mid-larva stage
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Mid-larva stage
Pupal stage
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Pupal stage


03-10-2013 05:06:04
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