| 词条 | Halmus chalybeus |
| 释义 |
| image = Steelblue Ladybird (Halmus chalybeus) on leaf.jpg | image_caption = On an oak leaf | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Coleoptera | familia = Coccinellidae | subfamilia = Chilocorinae | tribus = Chilocorini | genus = Halmus | species = H. chalybeus | binomial = Halmus chalybeus | binomial_authority = (Boisduval, 1835) [1] }}Halmus chalybeus, commonly known as the steelblue ladybird, is a species of ladybird (the beetle family Coccinellidae) native to Australia. It has a rounded appearance with an iridescent blue/green colouration and is a predator of other insects. It was introduced to New Zealand from Australia in 1899 and 1905 to control black scale and blue gum scale (see scale insect) on citrus trees,[2] where it is now common in northern regions. It has also been recorded eating San Jose scale. They are about 3–4 mm long.[2] See also
References1. ^{{ITIS |id=187017 |taxon=Halmus chalybeus}} 2. ^1 {{cite book |author=Crowe, A. |year=2002 |title=Which New Zealand Insect? |publisher=Auckland, N.Z.: Penguin |page=47 |ISBN=0-14-100636-6}} Further reading{{Commons category|Halmus chalybeus}}{{Wikispecies|Halmus chalybeus}}
3 : Coccinellidae|Coccinellidae of New Zealand|Beetles of Australia |
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