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Harmonia axyridis is a large lady beetle or ladybug species that is most commonly known as the harlequin, Asian, or multicoloured Asian lady beetle. This is one of the most variable species in the world, with an exceptionally wide range of colour forms. [ 2 ]
Harmonia axyridis (Pallas, 1771) – Asian lady beetle, originally from Nepal, China, Taiwan, Japan, introduced to Western Europe and America; Harmonia antipodum (Mulsant, 1848) – antipodean ladybird, endemic to New Zealand; Harmonia basinotata Bielawski, 1964 – New Guinea; Harmonia bicolor (Blackburn, 1892) – Australia
It is an ectoparasite of an invasive species to Europe and the Americas, [4] the harlequin ladybird (Harmonia axyridis). [5] Laboratory bioassays pointed out that Hesperomyces-infected ladybirds suffered increased mortality rates. [6]
Invasive species like Harmonia axyridis can pose an ecological threat to native coccinellid species. Other threats to coccinellids include climate change and habitat destruction . These insects have played roles in folklore , religion and poetry, and are particularly popular in nursery rhymes .
When provided with Harmonia axyridis larvae as part of their diet in the first or third instar stage of development, it has been shown that Olla v-nigrum larvae were incapable of surviving to the adult stage. In the first instar, Olla v-nigrum larvae were shown to have a 100% mortality rate when fed exotic H. axyridis eggs.
Parasitylenchus bifurcatus parasitizes Harmonia axyridis, a beetle introduced to Europe from central and South Asia. [7] H. axyridis affects agricultural crops such as apples, pears, and grapes resulting in reduced quality of products made from these crops. [7] [8] Both male and female H. axyridis can be infected by P. bifurcatus. [7]
Although it is sometimes confused with the fourteen-spotted lady beetle (Propylea quatuordecimpunctata) and the Asian lady beetle (Harmonia axyridis), its unique pattern helps to distinguish it from other lady beetle species found in North America. [5] P. vigintimaculata, larva
Harmonia axyridis, a large lady beetle found worldwide; Dindymus versicolor, a species of cotton stainer bug found in Australia This page was last edited on 19 ...