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Aphthona Microcephala
''Aphthona'' is a genus of beetle, in the leaf beetle family Chrysomelidae, native to Europe and Asia. More specifically, ''Aphthona'' are flea beetles, meaning they have enlarged hind legs for jumping away from potential danger. There are some 300 species known worldwide. This flea beetle genus is important because of the usefulness of some species in controlling leafy spurge, a major invasive species, invasive weed in parts of western North America. Several ''Aphthona'' species have been taken from Europe and introduced into localized areas of the United States and Canada, and some success against the weed is being seen. The six species used for this purpose include ''A. abdominalis'', ''A. cyparissiae'', ''A. czwalinae'', ''A. flava'', ''A. nigriscutis'', and ''A. lacertosa'', though ''A. abdominalis'' apparently never established a viable population and was never introduced in Canada. Effectiveness of Control Control is generally thought to be effective, but results vary fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aphthona Flava
''Aphthona flava'' is a beetle of the genus '' Aphthona''. It is native to Eurasia, and has been introduced into North America as a biocontrol agent for leafy spurge. Adults are brown and difficult to distinguish in the field from '' A. cyparissiae'' and '' A. nigriscutis''. ''A. flava'' is still the dominant beetle at some Manitoba release sites, but it is relatively scarce in North Dakota and Minnesota. Besides Manitoba, it is widespread in Hungary and Italy. Ecology Larvae The larvae is active from July to early spring of next year. When they are young, they feed on the hairs of the roots. As soon as they grow up they become bigger and start eating bigger roots. The larvae size is tiny, and are of white colour and are worm Worms are many different distantly related bilateral animals that typically have a long cylindrical tube-like body, no limbs, and no eyes (though not always). Worms vary in size from microscopic to over in length for marine polychaete wo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |