| 词汇 | ladybird |
| 释义 | ladybird noun[ C ] UKuk /ˈleɪ.di.bɜːd/ us /ˈleɪ.di.bɝːd/(USladybug, us/ˈleɪ.di.bʌɡ/uk) a small, red beetle that is round and has black spots瓢虫 arlindo71/E+/GettyImages Insect names anopheles ant aphid beastie bedbug deathwatch beetle dragonfly dust mite earwig earworm house dust mite housefly insect jigger lepidopterist silverfish sow bug spider mite stick insect swallowtail Examples of ladybirdladybird Generalist predators, such as spiders, ants and ladybirds, occurred on the willows but were never observed attacking the eggs. The presence of long-term benefits in terms of fitter offspring probably indicates the evolutionary rationale behind the prevalence of promiscuity in ladybirds. An experiment was conducted with a matchbox containing leaf fragments carrying aphids, in one case with hover fly larvae and in another with ladybird larvae. Intra- versus inter-specific interactions in starving ladybird beetles predaceous on aphids. On delivery, adult ladybirds were provided with a mixed culture of aphids to feed upon. Unlike physical interference, chemical interference and its effects on reproduction in ladybirds have been more extensively studied. For some farmers (and not always the older ones), defective eyesight was the reason for insect misidentification (usually ladybird eggs confused with aphids). Oviposition responses to patch quality in larch ladybird persistence of these semiochemicals is likely to relate to their chemical composition. Thus, promiscuity has both short- and long-term benefits and is advantageous to ladybirds. It was therefore decided to undertake a study on the evolutionary significance of the occurrence of promiscuity in ladybirds, with emphasis on both the possible direct and indirect benefits. Female ladybirds were used in the experiments. We see the damage of the harlequin ladybird. From Europarl Parallel Corpus - English We are engaged in welfare work for the ladybird. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The new clause mentions the use of live ladybirds. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Then wise naturalists said that if the ladybird were introduced into the area that would have a most beneficent effect; and it has done. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 See all examples of ladybird These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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